Wireless

That's one slim cellular antenna! At about 220mm long from tip to tip and with a cable thickness of just 0.8mm, this 2.4GHz WiFi or BLE antenna is slim, compact, and sensitive, with a 4dBi gain. The antenna is the trace on the PCB that is at the end of the skinny coaxial cable. It has an adhesive sticker back, so you attach it to an enclosure. It has a tiny MHF3/...

This RF adapter cable is super handy for anyone doing RF work. Often times, small electronics save space by having a pick-and-placeable u.FL connector (also called uFL, IPEX, IPAX, IPX, MHF, and AM). But most antennas have SMA or RP-SMA connectors on them. This little cable will bridge the two! This cable is RG178 and is 15cm (5.9") long not including the SMA...

Add Internet to your next project with an adorable, bite-sized WiFi microcontroller, at a price you like! The ESP8266 processor from Espressif is an 80 MHz microcontroller with a full WiFi front-end (both as client and access point) and TCP/IP stack with DNS support as well. We do sell these on a breakout, but maybe you wanna just put this in your own project PCB....

This simple spring antenna matches great with any of our 900MHz RFM and LoRa breakouts, bonnets and Feathers. They're made of copper-clad wire so you can solder them easily. They are compact, only 17.5mm/0.68" long, and have 2.15dBi of gain and 50Ω impedance, so it will work fantastically with just about any 850~950MHz wireless receiver/transmitter.

"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat." Sending data over long distances is like magic, and now you can be a magician...

This is the Adafruit Feather M0 RFM95 LoRa Radio (900MHz). We call these RadioFruits, our take on an microcontroller with a "Long Range (LoRa)" packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather M0 with a 900MHz radio module cooked in! Great for making wireless networks that are more flexible than Bluetooth® LE and without...

This is a great connector for anyone doing RF work, when a right angle SMA connector is required. Solder it into your PCB for a very secure mechanical connection. You've probably seen tons of these on various development boards! The four mechanical connectors also act as the RF ground. Mates with any SMA plug. Check if you have RP-SMA or SMA by looking at the middle...

Most antennas have SMA or RP-SMA connectors on them, how are you going to connect them to your little RF module? This little cable will bridge the two! This adapter cable is super handy for anyone doing RF work with modules that have w.FL connectors. It has a tiny MHF3/ IPEX3 / wFL / w.FL connector on the end - not a uFL connector - on one end, and an RP-SMA plug on...

Just about all electronics use TTL serial for debugging, bootloading, programming, serial output, etc. But it's rare for a computer to have a serial port anymore. This is a USB to TTL serial cable, with a FTDI FT232RL usb/serial chip embedded in the head. It has a 6-pin socket at the end with 5V power and ground, as well as RX, TX, RTS and CTS at 3V logic levels....

uFL connectors are very small surface-mount parts used when an external RF antena is desired but a big bulky SMA connector takes up too much space. We use this part on our GPS and WiFi boards, they're great! Chances are your antenna doesn't use uFL as the main connector, in which case you should check out our uFL to SMA and uFL to RP-SMA adapter cables. These are...

This 4" / 100mm long flexible uFL 2.4GHz antenna has approx 4DBi gain and a 50Ω impedance so it will work fantastically with just about any 2.4-2.5GHz wireless receiver/transmitter such as the Adafruit CC3000s! Antenna comes with a uFL (a.k.a u.FL / IPX / IPEX) connector, so no more need for additional adapters to get your IoT cloud flying high!

This 2.4"/61mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device. Antenna comes with a SMA connector, which is the most common type you'll see for Cellular development boards. If you need to connect this to an RP-SMA...

Circuit Playground Bluefruit is our third board in the Circuit Playground series, another step towards a perfect introduction to electronics and programming. We've taken the popular Circuit Playground Express and made it even better! Now the main chip is an nRF52840 microcontroller, which is not only more powerful, but also comes with Bluetooth® Low Energy...

This tiny micro NFC/RFID tag is super small, and contains an NTAG213 chip plus antenna. It's super tiny, flexible and a great way to DIY an RFID or NFC device if you're interested in designing your own ring, wearable or whatever other tiny device with near field communication incorporated. Contains 144 bytes of read-write accessible memory. You can use this with our...

The ESP32-S3 has arrived in QT Py format - and what a great way to get started with this powerful new chip from Espressif! With dual 240 MHz cores, WiFi and BLE support, and native USB, this QT Py is great for powering your IoT projects. Now we even have this powerhouse of a board with built in 2 Megabytes of PSRAM for when you need to buffer large datasets in...

The Adafruit Feather nRF52840 Express is the new Feather family member with Bluetooth® Low Energy and native USB support featuring the nRF52840! It's our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built-in USB plus battery charging. With native USB it's even ready to join the CircuitPython party. We have other boards in the...

Give your Ultimate GPS V3 a boost with this external active antenna. This GPS antenna draws about 10mA and will give you an additional 28 dB of gain. It's got a 5 meter long cable so it will easily reach wherever you need it to. The antenna is magnetic so it will stick to the top of a car or truck (or any other steel structure) Comes with a standard SMA connector on...

Interested in learning how Bluetooth® Low Energy works down to the packet level? Debugging your own Bluetooth® Low Energy hardware, and trying to spot where something is going wrong? Or maybe you're writing a custom application for your phone or tablet that needs to talk to existing BLE hardware, but you don't know how it works beneath the surface? We have...

If you have a custom PCB design and you'd like to add a little Bluetooth® Low Energy, this module is ultra-compact and easy to use. It contains a Nordic nRF51822 Cortex M0 chip with an integrated BLE radio, along with most of the supporting circuitry and even a chip antenna. The whole thing is in a tin and comes with FCC, CE, and TELEC certifications. Please...

Feather is the new development board from Adafruit, and like its namesake, it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Adafruit Feather M0 Bluefruit LE - our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built-in USB and battery charging. It's an Adafruit...

If you have a custom PCB design and you'd like to add a little Bluetooth® Low Energy, this module is ultra compact and easy to use. It contains a Nordic nRF52840 Cortex M4 chip that comes integrated with Bluetooth® Low Energy radio, USB, as well as most of the supporting circuitry and even a chip antenna. The whole thing is in a tin and comes with FCC, CE,...

The Adafruit Feather nRF52 Bluefruit is another easy-to-use all-in-one Bluetooth® Low Energy board, with a native-Bluetooth® chip, the nRF52832! It's our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built in USB and battery charging. We have other boards in the Feather family, check'em out here. This chip has twice the flash,...

Just about all electronics use a UART serial port with RX and TX pins for debugging, bootloading, programming, serial output, etc. But it's rare for a computer to have a serial port anymore. Thus, a serial cable is an essential part of any electrical engineer's toolkit. This is a USB C to TTL serial cable with an FTDI FT232R usb/serial chip embedded in the head. It...

This is a blank 13.56MHz RFID/NFC card - often used for train/bus passes but also found in other systems where a proximity card is desired. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443...

This is a great connector for anyone doing RF work, when an SMA connector is required. It hugs the edge of a standard 0.063" thick PCB and 'launches' off of the edge. We like these for their ease of soldering and low profile. Mates with any SMA plug, we also have an SMA to RP-SMA in case your antenna is RP-SMA You can find an Eagle footprint for this part in the...

This is a blank 13.56MHz RFID/NFC Card with an NTAG213 chip - often used for train/bus passes, information sharing, contactless payment, but also found in other systems where a proximity card is desired. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any...

Would you like to add powerful and easy-to-use Bluetooth® Low Energy to your robot, art or other electronics project? Heck yeah! With Bluetooth® Low Energy now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE UART Friend! The Bluefruit LE UART Friend makes it easy to...

One truth about working with test equipment is you always need the cable or adapter you don't have in your toolbox. That's why we love these terminal-block BNC (Bayonet Neill–Concelman, for those in the know) connectors so much. No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs. This is the BNC Male...

This dev board is like when you're watching a super-hero movie and the protagonist shows up in a totally amazing costume in the third act and you're like 'OMG! That's the hero and they're here to kick some serious butt!" but in this case its a microcontroller. This QT Py board is a thumbnail-sized PCB that features the ESP32 Pico V3 02, an all-in-one chip that has an...

This RFID tag is really unique: it works with mobile phones just like other RFID tags, but you can reprogram it over I2C. The tag shows up as an ISO/IEC 15693 (13.56MHz) chip which is readable by phones and tablets. This could be interesting in situations where you want a tag that can be re-written dynamically when connected to a controller. For example, we did a...

What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy nRF52840 Express featuring the Nordic nRF52840 Bluetooth® LE processor! Teensy & powerful, with an fast nRF52840 Cortex M4 processor running at 64 MHz and 1 MB of FLASH - this microcontroller board is perfect when you want something very compact, with a heap-load of memory and...

This is the Adafruit Feather RP2040 RF95 LoRa Radio. We call these RadioFruits, our take on a microcontroller with a "Long Range (LoRa)" packet radio transceiver with built-in USB and battery charging. It's an Adafruit Feather RP2040 with a 900MHz radio module cooked in! Great for making wireless networks that are more flexible than Bluetooth® LE and without the...

This is a blank 13.56MHz RFID/NFC Sticker with an NTAG213 chip - often used for train/bus passes, information sharing, and contactless payment, but also found in other systems where a proximity card is desired. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost...

"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat." Sending data over long distances is like magic, and now you can be a magician...

What has your favorite Espressif WiFi microcontroller, comes with our favorite connector - the STEMMA QT, a chainable I2C port, and has lots of Flash and RAM memory for your next IoT project? What will make your next IoT project flyyyyy? What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with one of our new favorite lil chips, the ESP32-S2! The...

Long gone are the days of parallel ports and serial ports. Now the USB port reigns supreme! But USB is hard, and you just want to transfer your every-day serial data from a microcontroller to computer. What now? Enter the FTDI Friend! The FTDI Friend is a tweaked out FTDI FT232RL chip adapter. Sure, like the well-known FTDI cable, it can provide power to your project...

This RF adapter cable is super handy for anyone doing RF work. Often times, small electronics save space by having a pick-and-placeable u.FL connector (also called uFL, IPEX, IPAX, IPX, MHF, and AM). But most antennas have SMA or RP-SMA connectors on them. This little cable will bridge the two! This cable is RG178 and is 15cm (5.9") long not including the RP-SMA...

This RF adapter bit is great for anyone doing RF work. If your receiver/transmitter/transceiver has an MCX connector but you really want to tie it to an SMA antenna, this dongle will do the trick!

The ESP32-C6-DevKitC-1-N8 is an entry-level development board equipped with ESP32-C6-WROOM-1, a general-purpose Wi-Fi + Bluetooth® LE RISC-V MCU module that integrates complete Wi-Fi and Bluetooth® LE functions. This board integrates complete Wi-Fi, Bluetooth® LE, Zigbee, and Thread functions. This version is equipped with the ESP32-C6-WROOM-1 with 8MB...

The Adafruit Feather Bluefruit Sense takes our popular Feather nRF52840 Express and adds a smorgasbord of sensors to make a great wireless sensor platform. This Feather microcontroller comes with Bluetooth® Low Energy and native USB support featuring the nRF52840! This Feather is an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built in USB...

The Espruino Puck.js v2 is a low-energy Bluetooth® smart button that can be programmed and debugged wirelessly with JavaScript. It is both multi-functional and easy to use, with a custom circuit board, the latest Nordic chip, Bluetooth LE, NFC, magnetometer, temperature sensor, RGB LEDs, infrared, and much more, all enclosed in a tiny silicone case. You get all...

Wow that's a tiny GPS antenna! This passive antenna is only 15mm x 15mm x 6.8mm in size, with a 50mm long uFL cable. Great for when you want to keep things small. Comes with a standard uFL connector on the end. Perfect for our FONA 808! Not good for our Ultimate GPS breakouts/shields/hat as those are designed for active antennas. This is the 15mm version - we also...

Introducing the FeatherS3[D] - The pro ESP32-S3 Development Board in the Feather Format! FeatherS3[D] includes an onboard antenna and a u.FL connector for an external antenna on the same board, and you can switch which antenna to use via the RF switch on the fly from inside your code! Two antenna options - one board! The onboard antenna is selected by default, so you...

ESP32-C6-WROOM-1-N8 is an ESP32-C6-based module, which supports WiFi 6 in a 2.4GHz band, Bluetooth® 5, Zigbee 3.0, and Thread. It's pin-to-pin compatible with the ESP32-WROOM series module. With low-power consumption, it is an ideal choice for a variety of IoT devices! This module comes with 8 MB Quad SPI Flash memory. Features: 32-bit RISC-V single-core...

Add Bluetooth® capability to your computer super fast with a Xinghuatian Tech Bluetooth® 4.0 USB Module. This adapter is backwards compatible with v2.1 and earlier, but also supports the latest v4.0/ Bluetooth® Low Energy. Inside lies a CSR8510 Bluetooth® USB host. We've used this with great success on a Windows 7 computer, installing as a 'generic'...

"You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly the same way: you send signals here, they receive them there. The only difference is that there is no cat." Sending data over long distances is like magic, and now you can be a magician...

Add short-hop wireless to your Feather with these RadioFruit Featherwings. These add-ons for any Feather board will let you integrate packetized radio (with the RFM69 radio) or LoRa radio (with the RFM9x's). These radios are good options for kilometer-range radio, and paired with one of our WiFi, cellular or Bluetooth® Feathers, will let you bridge from 433/900...

The latest Raspberry Pi computers come with WiFi and Bluetooth®, and now you can add even more radio options with the Adafruit Radio Bonnets! Upgrade your Raspberry Pi with a LoRa/LoRaWAN radio so it can communicate over very long distances. These bonnets plug right into your Pi and give you long-range wireless connectivity to remote, battery-powered nodes. Or,...

This little remote control would be handy for controlling a robot or other project from across the room. It has 21 buttons and a layout we thought was handy: directional buttons and number entry buttons. The remote uses the NEC encoding type and sends data codes 0 thru 26 (it skips #3, #7, #11, #15, #19 and #23) to address #0. You can use this to control something...

This is the Adafruit Feather 32u4 LoRa Radio (RFM9x). We call these RadioFruits, our take on an microcontroller with a "Long Range (LoRa)" packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a 868/915 MHz radio module cooked in! Great for making wireless networks that can go further than 2.4GHz 802.15.4 and similar, are...

This is the Adafruit Feather M0 RFM96 LoRa Radio (433 MHz). We call these RadioFruits, our take on an microcontroller with a "Long Range (LoRa)" packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather M0 with a 433MHz radio module cooked in! Great for making wireless networks that are more flexible than Bluetooth® LE and without...

This 8"/200mm long swivel dipole antenna has 5dBi of gain and 50Ω impedance so it will work fantastically with just about any 2.4-2.5GHz wireless receiver/transmitter such as: 2.4GHz Wi-Fi (802.11b/g/n). 2.4GHz XBee. Bluetooth®. Other 2.4GHz transceivers. Antenna comes with the industry standard RP-SMA connector that is found on nearly all WiFi devices. If...

This is the Adafruit Feather M0 RFM69 Packet Radio (868 or 915 MHz). We call these RadioFruits, our take on an microcontroller with a RFM69HCW packet radio transceiver plus built in USB and battery charging. Its an Adafruit Feather M0 with a 900MHz radio module cooked in! Feather is the new development board from Adafruit, and like its namesake it is thin, light, and...

This is the Adafruit Feather RP2040 RFM69 Packet Radio (868 or 915 MHz). We call these RadioFruits, our take on an microcontroller with packet radio transceiver with built-in USB and battery charging. It's an Adafruit Feather RP2040 with a RFM69HCW 900MHz radio module cooked in! Great for making wireless networks that are more flexible than Bluetooth® LE and...

These Simple RF receivers are the easiest way possible to add wireless control, painlessly! There's no programming, configuring or addressing - simply power the receiver with ~5 VDC and press the buttons on our matching RF keyfob remote. When the A button is pressed, it activates the first pin, when the B button is pressed, it activates the second one, and so forth...

This 4-button keyfob remote goes with our three basic 315MHz RF receiver modules. It will work with all of them, sending out one of four commands that match up with the four outputs. Its small and light weight and will work up to 25 feet away depending on line-of-sight and obstructions. Since this is just a transmitter, if you have multiple receivers, it will turn...

The Bluefruit LE Friend is your new Bluetooth® Low Energy BFF! This USB-to-Bluetooth® Low Energy board makes it easy to get your computer talking to your Bluetooth® Low Energy-enabled phone or tablet using a standard serial/UART connection. In its simplest form, it works on the same principle as a common USB/Serial adapter (the FTDI Friend, for example!)....

This RF adapter bit is great for anyone doing RF work. Depending on the dev-board and antenna you have, you may be faced with either RP-SMA or SMA connectors. Unfortunately they are not compatible! This adapter solves the problem with an SMA jack on one end and an RP-SMA Plug on the other. We also have the opposite 'flavor' available Check your cable, connector and...

This is a blank 13.56MHz RFID/NFC Laundry Tag Button with an NTAG213 chip - often used for laundry or garment identification, information sharing, contactless payment, but also found in other systems where a proximity card is desired. The button contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away....

This 4"/100mm long swivel dipole antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 2.4-2.5GHz wireless receiver/transmitter such as: 2.4GHz Wi-Fi (802.11b/g/n). 2.4GHz XBee. Bluetooth®. Other 2.4GHz transceivers. Antenna comes with the industry standard RP-SMA connector that is found on nearly all WiFi devices. If...

This is a blank 13.56MHz Classic 'laundry' tag - often used for laundry or identification but also found in other systems where a small proximity card is desired. This one is clear! The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader...

This RF adapter bit is great for anyone doing RF work. If your receiver/transmitter/transceiver has an MCX connector but you really want to tie it to a BNC antenna, this dongle will do the trick!

If you've ever been curious about software defined radio (SDR), this USB stick is the easiest way possible to have fun with a powerful, configurable receiver. Packed with the powerful RTL2832U and FC0013 tuner, it can tune into signals from 48.25 - 863.25MHz. That means you can use a computer (with Windows, Mac, or Linux) to tune into: FM Radio, AM signals (but not...

Just about all electronics use a UART serial port with RX and TX pins for debugging, bootloading, programming, serial output, etc. But it's rare for a computer to have a serial port anymore. Thus, a serial cable is an essential part of any electrical engineer's toolkit. This is a USB C to TTL serial cable with an FTDI FT232R usb/serial chip embedded in the head. It...

TinyPICO is the world’s smallest, fully-featured ESP32 development board, designed to unlock the power of the ESP32’s dual-core 240MHz and internet connectivity, in a package smaller than your thumb! Your very own TinyPICO V3 with USB-C and with MicroPython pre-installed. Comes with unassembled male headers and a JST PH battery connector. Please: This is...

Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Adafruit Feather 32u4 Bluefruit - our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built in USB and battery charging. Its an Adafruit...

This is a blank 13.56MHz RFID/NFC laundry tag - often used for laundry but also general tagging. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other...

This is a blank 13.56MHz RFID/NFC sticker - often used for inventory uses but also wherever a sticker is desired. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are...

This simple spring antenna matches great with any of our 433MHz RFM and LoRa breakouts, bonnets and Feathers. They're made of copper-clad wire so you can solder them easily. They are compact, only ~38mm / 1.5" long, and have 2.5dBi of gain and 50Ω impedance, so it will work fantastically with just about any 400~450MHz wireless receiver/transmitter.

Add short-hop wireless to your Feather with these RadioFruit Featherwings. These add-ons for any Feather board will let you integrate packetized radio (with the RFM69 radio) or LoRa radio (with the RFM9x's). These radios are good options for kilometer-range radio, and paired with one of our WiFi, cellular or Bluetooth® Feathers, will let you bridge from 433/900...

This 2.2"/57mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device. Antenna comes with a Right-angle SMA connector. If you need to connect this to an RP-SMA connector for some reason, use this handy adapter and if you need...

You're at New York's hottest cyberpunk club is Near Field Commune(ication), and it's got everything, Adabot & the Circuit Playground, Collin's wondrous, mind-blowing, heart-stirring Pulse Room, and more! And you are dressed to the cyber-nine's, with wearable LEDs, EL tape, and a full manicure set of glittering RFID/NFC Nail Stickers! These tiny flexible PCBs have...

This is a clear 13.56MHz RFID/NFC Tag with an NTAG213 chip - often used for train/bus passes, information sharing, and contactless payment, but also found in other systems where a proximity card is desired. The tag contains a small RFID chip and an antenna and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any...

This is the Adafruit Feather 32u4 Radio (RFM69HCW) 900MHz. We call these RadioFruits, our take on an microcontroller packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a 900 MHz radio module cooked in! Great for making wireless networks that can go further than 2.4GHz 802.15.4 and similar, are more flexible than...

One truth about working with test equipment is you always need the cable or adapter you don't have in your toolbox. That's why we love these terminal-block BNC (Bayonet Neill–Concelman, for those in the know) connectors so much. No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs. This is the BNC Female...

This is a great connector for anyone doing RF work, when a straight SMA connector is required. Solder it into your PCB for a very secure mechanical connection. You've probably seen tons of these on various development boards! The four mechanical connectors also act as the RF ground. Mates with any SMA plug. Check if you have RP-SMA or SMA by looking at the middle pin...

This is a clear 13.56MHz RFID/NFC Keychain Fob with an NTAG213 chip - often used for train/bus passes, information sharing, and contactless payment, but also found in other systems where a proximity card is desired. The tag contains a small RFID chip and an antenna and is passively powered by the reader/writer when placed a couple inches away. These can be read by...

This is the Adafruit Feather M0 RFM69 Packet Radio (433 MHz). We call these RadioFruits, our take on an microcontroller with a RFM69 HCW packet radio transceiver plus built in USB and battery charging. It's an Adafruit Feather M0 with a 433MHz radio module cooked in! Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets...

Espruino Bangle.js v2 - Hackable Javascript Smart Watch is an open, hackable smartwatch. With a sunlight-readable always-on screen, 4-week battery life, complete flexibility, and full control over your data, Espruino Bangle.js v2 is a refreshing break from expensive smartwatches. You can install new apps from the web or develop your own using JavaScript. All you need...

That's one slim cellular antenna! At just 75mm long from tip to tip and and with a thickness of just 2mm, this 3dBi GSM antenna is slim, compact and sensitive, with a 3dBi gain. The antenna juts out from its base with stick-on back so you attach it to an enclosure if you're making something like, say, a DIY phone. It has a tiny uFL connector on the end - which is...

Great Scott Gadgets' Cynthion is an all-in-one tool for building, testing, monitoring, and experimenting with USB devices. Built around a unique FPGA-based architecture, Cynthion’s digital hardware can be fully customized to suit the application at hand. As a result, it can act as a no-compromise High-Speed USB protocol analyzer, a USB research multi-tool, or a...

That's one slim cellular antenna! At 238mm long from tip to tip and and with a cable thickness of just 2mm, this 3dBi GSM antenna is slim, compact and sensitive, with a 3dBi gain. The antenna juts out from its base with stick-on back so you attach it to an enclosure if you're making something like, say, a DIY phone. It has a tiny uFL connector on the end - which is...

This is a blank 13.56MHz RFID/NFC silicone bracelet. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested...

Add a cool touch-screen rotary dial to your next build with the M5Stack M5Dial. The M5Dial integrates the necessary features and sensors for various smart home control applications as a versatile embedded development board. It features a 1.28-inch round TFT touchscreen, rotary encoder, RFID detection module, RTC circuit, buzzer, and under-screen 'selection' button,...

These Simple RF receivers are the easiest way possible to add wireless control, painlessly! There's no programming, configuring or addressing - simply power the receiver with ~5 VDC and press the buttons on our matching RF keyfob remote. When the A button is pressed, it activates the first pin, when the B button is pressed, it activates the second one, and so forth...

This is a great connector for anyone doing RF work, when an SMA connector is required. It hugs the edge of a "half thickness" 0.031" thick PCB (or thinner!) and 'launches' off of the edge. We like these for their ease of soldering and low profile. Mates with any SMA plug, we also have an SMA to RP-SMA in case your antenna is RP-SMA You can find an Eagle footprint for...

Add short-hop wireless to your Feather with these RadioFruit Featherwings. These add-ons for any Feather board will let you integrate packetized radio (with the RFM69 radio) or LoRa radio (with the RFM9x's). These radios are good options for kilometer-range radio, and paired with one of our WiFi, cellular, or Bluetooth® Feathers, will let you bridge from 433/900...

This RF adapter bit is great for anyone doing RF work. Depending on the dev-board and antenna you have, you may be faced with either RP-SMA or SMA connectors. Unfortunately they are not compatible! This adapter solves the problem with a RP-SMA jack on one end and an SMA Plug on the other. We also have the opposite 'flavor' available Check your cable, connector and...

This is the Adafruit Feather 32u4 LoRa Radio (RFM9x). We call these RadioFruits, our take on an microcontroller with a "Long Range (LoRa)" packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a 433 radio module cooked in! Great for making wireless networks that can go further than 2.4GHz 802.15.4 and similar, are more...

Wow that's a tiny GPS antenna! This passive antenna is only 9mm x 9mm x 6.5mm in size, with a 50mm long uFL cable. Great for when you want to keep things small. Comes with a standard uFL connector on the end. Perfect for our FONA 808! Not good for our Ultimate GPS breakouts/shields/hat as those are designed for active antennas. This is the 9mm version - we also have...

These use an NTAG chipset, a 'Type 2' tag usable with any smartphone. Unlike "Classic 1K" cards (a.k.a. MiFare S50s), these tags are more secure and work with almost any phone with RFID support, since they avoid the patent issues with MiFare, which require an NXP chipset or a license fee. One of each of our favorite 13.56MHz RFID/NFC NTAG2x3 tags - 5 in total!...

Add both WiFi and Bluetooth® to your computer super fast with this Xinghuatian Tech Combination WiFi + Bluetooth® 4.0 USB Adapter! This little two-faced cutie is so versatile! Its Wi-Fi half can be used to make Internet of Things devices cable-free, or we can also take advantage of a single-board Linux computer's USB ports to add a low-cost, high-reliability...

This is a great connector for anyone doing RF work, when a right angle RP-SMA connector is required. Solder it into your PCB for a very secure mechanical connection. You've probably seen tons of these on various development boards! The four mechanical connectors also act as the RF ground. Mates with any RP-SMA plug. Check if you have RP-SMA or SMA by looking at the...

Add short-hop wireless to your Feather with these RadioFruit Featherwings. These add-ons for any Feather board will let you integrate packetized radio (with the RFM69 radio) or LoRa radio (with the RFM9x's). These radios are good options for kilometer-range radio, and paired with one of our WiFi, cellular or Bluetooth® Feathers, will let you bridge from 433/900...

Introducing the ProS3[D] - The Ultimate Pro ESP32-S3 Development Board! Two antenna options - one board! ProS3[D] includes an onboard antenna and a u.FL connector for an external antenna on the same board, and you can switch which antenna to use via the RF switch on the fly from inside your code! The onboard antenna is selected by default, so you never need to worry...

This is the Adafruit Feather 32u4 Radio (RFM69HCW) 433MHz. We call these RadioFruits, our take on an microcontroller packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a 433 MHz radio module cooked in! Great for making wireless networks that can go further than 2.4GHz 802.15.4 and similar, are more flexible than...

Connect your Arduino to the Internet with this fine new FCC-certified WiFi module from Atmel. This 802.11bgn-capable WiFi module is the best new thing for networking your devices, with SSL support and rock solid performance - running our adafruit.io MQTT demo for a full weekend straight with no hiccups (it would have run longer but we had to go to work, so we...

ANT500 from Great Scott Gadgets is a telescopic antenna designed for operation from 75 MHz to 1 GHz. Its total length is configurable from 20 cm to 88 cm. ANT500 is constructed of stainless steel and features an SMA male connector, rotating shaft, and adjustable elbow. ANT500 is a 50 ohm general purpose antenna. It is the perfect first antenna for use with HackRF One...

The Adafruit Feather nRF52 Pro is another Bluetooth® Low Energy board for advanced projects and users who want to use a fully open-source Bluetooth® Low Energy 5.0 stack. It has a native Bluetooth chip, the nRF52832, as well as built-in USB Serial and battery charging! We have other boards in the Feather family, check'em out here. This is a special Feather -...

What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy ESP32 with a wFL external Antenna Connection, a powerful processor PCB with a plethora of pins! It features the ESP32 Pico module, an FCC-certified module that contains an ESP32 chip with dual-core 240MHz Tensilica processor, WiFi, and Bluetooth® Classic + BLE, configured with 8...

Would you like to add powerful and easy-to-use Bluetooth® Low Energy to your robot, art or other electronics project? Heck yeah! With Bluetooth® Low Energy now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE SPI Friend! The Bluefruit LE SPI Friend makes it easy to add...

Pixelblaze is a Wi-Fi Addressable LED Controller and Custom Pattern Editor, powered by an ESP32 module with 240Mhz dual-core processor for 'blazingly fast' pixel rendering capabilities. This is the Pixelblaze V3 Standard which has additional interface and expansion capabilities. It can interface with hardware and sensors using GPIO, analog, or touch inputs. It has an...

ESP32-H2-MINI-1 is a powerful, generic Bluetooth® Low Energy and IEEE 802.15.4 combo module that has a rich set of peripherals. This module is an ideal choice for a wide variety of application scenarios related to Internet of Things (IoT), such as embedded systems, smart home, wearable electronics, etc. At the core of this module is ESP32-H2, a 32-bit RISC-V...

This single button keyfob remote goes with our three basic 315MHz RF receiver modules. It will work with all of them, sending out one command that matches with the second output on the receiver. Its small and light weight and will work up to 25 feet away depending on line-of-sight and obstructions. Since this is just a transmitter, if you have multiple receivers, it...

ANT700 from Great Scott Gadgets is a lightweight telescopic antenna designed for operation from 300 MHz to 1100 MHz. Its total length is configurable from 9.5 cm to 24.5 cm. ANT700 is constructed of stainless steel and features an SMA male connector, rotating shaft, and adjustable elbow. ANT700 is a 50 ohm general purpose antenna. It is the perfect first antenna for...

Connect your Arduino to the Internet with this fine new FCC-certified WiFi module from Atmel. This 802.11bgn-capable WiFi module is the best new thing for networking your devices, with SSL support and rock solid performance - running our adafruit.io MQTT demo for a full weekend straight with no hiccups (it would have run longer but we had to go to work, so we...

YARD Stick One (Yet Another Radio Dongle) from Great Scott Gadgets can transmit or receive digital wireless signals at frequencies below 1 GHz. It uses the same radio circuit as the popular IM-Me. The radio functions that are possible by customizing IM-Me firmware are now at your fingertips when you attach YARD Stick One to a computer via USB. Great for listening on...

Would you like to add powerful and easy-to-use Bluetooth® Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE Shield for Arduino! The Bluefruit LE Shield makes it easy to add Bluetooth® Low...

These Silvery Horizontal RFID Blocking Card Sleeves keep all your 13.56 MHz RFID-enabled cards (i.e. credit cards, bank cards, photo IDs, etc) safe from identity theft and are much more effective than wrapping them in aluminum foil. These protect your cards' Radio Frequency Identification (RFID) chip from getting accessed by an uninvited, unauthorized, potentially...

Introducing the TinyS2 - The Tiny Mighty ESP32-S2 development board in the TinyPICO format! This board features the powerful ESP32-S2, a single-core Tensilica processor with WiFi and native USB so it can run Arduino or Circuitpython code. The ESP32-S2 is a highly-integrated, low-power, 2.4 GHz Wi-Fi System-on-Chip (SoC) solution that now has built-in native USB as...

The ESP8266 started a small revolution by b