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    New Productsview all New Products
    Angled Shot of the 2.5mm TRRS plug terminal block (jack side)

    2.5mm (3/32") 4-Pole (TRRS) Audio Plug Terminal Block

    $2.95

    Angled shot of audio jack 4-pin terminal block

    2.5mm (3/32") 4-Pole (TRRS) Audio Jack Terminal Block

    $2.95

    Video of pink LED filament being played with.

    nOOds - Flexible LED Filament - 24V 1.2m - Pink

    $19.95

    Video of hands playing with a pink LED filament.

    nOOds - Flexible LED Filament - 12V 600mm long - Pink

    $14.95

    Featured Productsview all Featured Products
    Temperature and pressure sensor breakout displaying sensor information on a connected TFT display breakout.

    Adafruit BMP581 I2C or SPI Temperature and Pressure Sensor

    $9.95

    Angled shot of assembled mini computer PCB with plate.

    Adafruit Fruit Jam - Mini RP2350 Computer

    $39.95

    Video of a motor stepper driver board driving a stepper motor connected to a microcontroller.

    Adafruit STSPIN220 Stepper Motor Driver Breakout Board

    $5.95

    Demo Shot of the Constant Current Boost Converter powering LED Letter Filaments that spell out "Adafruit".

    Adafruit TPS61169 Constant Current Boost Converter for LEDs

    $4.50

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Development Boards / STM32


  • MicroPython pyboard - v1.1.
    Angled shot of a MicroPython pyboard.

    MicroPython pyboard - v1.1

    Product ID: 2390
    The pyboard is a compact and powerful electronics development board that runs MicroPython. It connects to your PC over USB, giving you a USB flash drive to save your Python scripts, and a serial Python prompt (a REPL) for instant programming. Requires a micro USB cable, and will work with Windows, Mac and Linux. This is the original pyboard, which is more powerful...
    $44.95
    22 in stock
  • ST-Link STM8/STM32 v2 Compatible Programmer & Emulator.
    ST-Link STM8/STM32 v2 Programmer and Emulator

    ST-Link STM8/STM32 v2 Compatible Programmer & Emulator

    Product ID: 2548
    Explore new microcontroller worlds with an ST-Link-Compatible Programmer & Emulator / Debugging dongle. This little USB stick contains a microcontroller with the code for ST's classic programmer/emulator for STM8 and STM32 bit processors. Since STM's are so common, this tool will come in handy whenever you encounter them. You can even get 5V and regulated 3.3V...
    $14.95
    In stock
  • STM32F411 "BlackPill" Development Board.
    Angled shot of STM32F411 development board.

    STM32F411 "BlackPill" Development Board

    Product ID: 4877
    This simple development board for the STM32F411 is a great way to add a powerful STM chip to your next project. Featuring the STM32F411CEU6, this chip has 512 KB of flash, 128 KB of SRAM, and runs at 100 MHz. There's a spot on the bottom for wide SOIC flash memory - you could solder on a 2 MB SPI flash memory chip (its barely wide enough to sit on the pads) to give...
    $29.95
    In stock
  • Black Magic Probe with JTAG Cable and Serial Cable - V2.3.
    Black Magic Probe JTAG debugger

    Black Magic Probe with JTAG Cable and Serial Cable - V2.3

    Product ID: 3839
    Toss away your boring old SWD/JTAG adapters! This Black Magic Probe, designed by 1BitSquared with Black Sphere Technologies, is a next-generation debugging tool, perfect for your ARM Cortex hacking. Unlike most dongles, you don't need to use OpenOCD or STLink. Instead, the BMP is itself a GDB server port, emulated through the USB serial connection. We just thought...
    $74.95
    88 in stock
  • Adafruit Feather STM32F405 Express.
    Angled shot of a blue rectangular microcontroller.

    Adafruit Feather STM32F405 Express

    Product ID: 4382
    ST takes flight in this Feather board. The new STM32F405 Feather (video) that we designed runs CircuitPython at a blistering 168MHz – our fastest CircuitPython board ever! We put a STEMMA QT / Qwiic port on the end, so you can really easily plug and play I2C sensors. This Feather has lots of goodies: STM32F405 Cortex M4 with FPU and 1MB Flash, 168MHz speed....
    $24.95
    Out of stock
    Notify Me, Adafruit Feather STM32F405 Express
  • Netduino Go! Starter Pack (Modular .NET microcontroller).
    Netduino Go Starter Pack demo shot with all boards plugged in together

    Netduino Go! Starter Pack (Modular .NET microcontroller)

    Product ID: 800
    This starter pack comes with all the stuff you'll want to hit the ground runing with Netduino Go! Included is the Go! mainboard, the Shield Base, a Button module, a Potentiometer module, an RGB LED module, 4 Go! cables and 3' microUSB cable to connect to your computer for programming and power. You asked for a Netduino with more speed, more flash, and more RAM. You...
    No longer stocked
    More Info, Netduino Go! Starter Pack (Modular .NET microcontroller)
  • NETduino 2 (.NET-programmable microcontroller).
    netduino 2 (.NET-programmable microcontroller) Arduino-shaped dev board

    NETduino 2 (.NET-programmable microcontroller)

    Product ID: 1228
    Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment. Suitable for engineers and hobbyists alike. Input! Output! Interface with switches, sensors, LEDs, serial devices, and more. Netduino offers 22 GPIOs combined with SPI, I2C, 2 UARTs (1 RTS/CTS), 4 PWM channels and 6...
    No longer stocked
    More Info, NETduino 2 (.NET-programmable microcontroller)
  • NETduino 3 WiFi (.NET-programmable microcontroller).
    netduino 3 WiFi (.NET-programmable microcontroller) Arduino-shaped dev board with 2x5 sockets

    NETduino 3 WiFi (.NET-programmable microcontroller)

    Product ID: 2486
    Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment, it is suitable for engineers and hobbyists alike. The Netduino 3 has Wi-Fi cooked in already! Including SSL/TLS 1.2 and WPA2. The Netduino 3 has the same 168 MHz (Cortex-M4) processor as the Netduino Plus 2 but almost...
    No longer stocked
    More Info, NETduino 3 WiFi (.NET-programmable microcontroller)
  • NETduino 3.
    netduino 3 (.NET-programmable microcontroller) Arduino-shaped dev board with 2x5 sockets

    NETduino 3

    Product ID: 2682
    Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment, it is suitable for engineers and hobbyists alike. This combines the ease of high-level coding and the raw features of microcontrollers. Enjoy event-based programming, multi-threading, line-by-line debugging,...
    No longer stocked
    More Info, NETduino 3
  • NETduino 3 Ethernet.
    netduino 3 Ethernet (.NET-programmable microcontroller) Arduino-shaped dev board with 2x5 sockets

    NETduino 3 Ethernet

    Product ID: 2683
    Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment, it is suitable for engineers and hobbyists alike. This combines the ease of high-level coding and the raw features of microcontrollers. Enjoy event-based programming, multi-threading, line-by-line debugging,...
    No longer stocked
    More Info, NETduino 3 Ethernet
  • netduino Plus 2 (.NET-programmable microcontroller).
    netduino plus 2 (.NET-programmable microcontroller) Arduino-shaped dev board

    netduino Plus 2 (.NET-programmable microcontroller)

    Product ID: 1104
    Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment, it is suitable for engineers and hobbyists alike. The Netduino Plus 2 has Ethernet cooked in already! There is a full TCP/IP stack with examples ready to go, and a microSD card slot for storing files Netduino Plus 2...
    No longer stocked
    More Info, netduino Plus 2 (.NET-programmable microcontroller)
  • netduino (.NET-programmable microcontroller).
    netduino (.NET-programmable microcontroller) Arduino-shaped dev board

    netduino (.NET-programmable microcontroller)

    Product ID: 336
    Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment. Suitable for engineers and hobbyists alike. Input! Output! Interface with switches, sensors, LEDs, serial devices, and more. Netduino offers 20 GPIOs combined with SPI, I2C, 2 UARTs (1 RTS/CTS), 4 PWM channels and 6...
    No longer stocked
    More Info, netduino (.NET-programmable microcontroller)
  • netduino Plus (.NET-programmable microcontroller with Ethernet).
    netduino plus (.NET-programmable microcontroller) Arduino-shaped dev board

    netduino Plus (.NET-programmable microcontroller with Ethernet)

    Product ID: 351
    Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment, it is suitable for engineers and hobbyists alike. The Netduino Plus is just like the Netduino, with Ethernet cooked in already! There is a full TCP/IP stack with examples ready to go, and a microSD card slot for...
    No longer stocked
    More Info, netduino Plus (.NET-programmable microcontroller with Ethernet)
  • Espruino Pico.
    Angle shot of Espruino Pico

    Espruino Pico

    Product ID: 2621
    Discontinued - you can grab Espruino Puck.js v2 instead! Control Electronics quickly and easily with a tiny USB stick that runs JavaScript - introducing the Espruino Pico! Dig in to the JavaScript of things, with a mini version of the popular Espruino board we already carry This little board has an STM32 microcontroller pre-programmed with Espruino all ready to go so...
    No longer stocked
    More Info, Espruino Pico
  • Espruino WiFi.
    Espruino WiFi assembled dev board

    Espruino WiFi

    Product ID: 3514
    Try the JavaScript of things with the Espruino WiFi - the world's first open-source JavaScript microcontroller, this time with built in WiFi! This little board has an STM32 microcontroller pre-programmed with Espruino all ready to go so you can start playing with Javascript-microcontrollers. It also comes with an ESP8266 WiFi module, so you can connect to the...
    No longer stocked
    More Info, Espruino WiFi
  • Adafruit WICED WiFi Feather - STM32F205 with Cypress WICED WiFi.
    Angled shot of rectangular microcontroller.

    Adafruit WICED WiFi Feather - STM32F205 with Cypress WICED WiFi

    Product ID: 3056
    Discontinued - you can grab Adafruit HUZZAH32 – ESP32 Feather Board instead! Say "Hi!" to the WICED Feather! Perfect for your next Internet connected project, with a powerful processor and WiFi core that can take anything you throw at it - this Feather is WIC(K)ED AWESOME! Feather is the new development board from Adafruit, and like its namesake it is thin,...
    No longer stocked
    More Info, Adafruit WICED WiFi Feather - STM32F205 with Cypress WICED WiFi
  • KittenBot Meowbit - Codable Console for MakeCode Arcade.
    Blue polished white hands playing a video game on a KittenBot Meowbit - Codable Console for MakeCode Arcade.

    KittenBot Meowbit - Codable Console for MakeCode Arcade

    Product ID: 4324
    Discontinued - you can grab this Adafruit PyBadge LC - MakeCode Arcade, CircuitPython, or Arduino - Low Cost Version instead! From the creative and cat-lovin' engineers at KittenBot comes the Meowbit - a handheld retro gaming computer for coding your own games with MakeCode Arcade and MicroPython. This design is really fun, with a GameBoy-like shape that can plug...
    No longer stocked
    More Info, KittenBot Meowbit - Codable Console for MakeCode Arcade
  • Espruino 1.4 - Open Source Javascript Microcontroller.
    Angle shot of Espruino 1.4 Open Source Javascript Microcontroller

    Espruino 1.4 - Open Source Javascript Microcontroller

    Product ID: 1887
    Try the JavaScript of things with the Espruino - the world's first open-source JavaScript microcontroller! This little board has an STM32 microcontroller pre-programmed with Espruino all ready to go so you can start playing with Javascript-microcontrollers. Warning: if you only use Assembly and think that even embedded C/C++ is for wimps, this device might explody...
    No longer stocked
    More Info, Espruino 1.4 - Open Source Javascript Microcontroller
  • WeAct Studio STM32H750 Development Board.
    Video of WeAct Studio STM32H750 dev board's boot-up display on OLED screen.

    WeAct Studio STM32H750 Development Board

    Product ID: 5032
    This simple development board for the STM32H750 is a great way to add a powerful STM chip to your next project. Featuring the STM32H750VBT6, this chip has 1024KB of RAM, 8MB of QSPI Flash, and runs at 480 MHz. This dev board is not designed or developed by Adafruit. It's for advanced users who are already familiar with STM32 development! We don't have detailed...
    No longer stocked
    More Info, WeAct Studio STM32H750 Development Board
  • MicroPython Pyboard Lite v1.0 - STM32F411.
    Angled shot of green square-shaped microcontroller.

    MicroPython Pyboard Lite v1.0 - STM32F411

    Product ID: 5417
    Discontinued - you can grab the STM32F411 "BlackPill" Development Board instead! The Pyboard Lite is a compact and powerful electronics development board that runs MicroPython. It connects to your PC over USB, giving you a USB flash drive to save your Python scripts and a serial Python prompt (a REPL) for instant programming. Requires a micro USB cable (not included,...
    No longer stocked
    More Info, MicroPython Pyboard Lite v1.0 - STM32F411
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