Microcontrollers & Development Boards

SKU: WS-25081 | Brand: Waveshare

Four versions — choose Memory and Headers above This page sells all four factory versions of the ESP32-S3-Zero. Two axes: how much memory the module carries, and whether the pin headers arrive already soldered on. Bot...

SKU: EC-WCW32110W | Brand: Elecrow

The ESP-WROOM-32 is Espressif's powerful Wi-Fi, Bluetooth Classic, and BLE module built around the ESP32 dual-core processor. It's a versatile platform for IoT applications ranging from low-power sensor networks to de...

SKU: DF-DFR0896 | Brand: DFRobot

The ESP32-S3-WROOM-1-N4 is a powerful Wi-Fi and Bluetooth LE MCU module built around the ESP32-S3 SoC. Featuring a dual-core Xtensa LX7 processor running at up to 240MHz, 4MB SPI flash, and hardware acceleration for n...

SKU: LB-TINY | Brand: Little Bird

The CJMCU card is a small microcontroller based on the ATTiny85 chipset. It is perfect for wearable projects. Also widely used in electronic projects due to its compatibility with the Arduino IDE, bringing an ATtiny85...

SKU: AF-4870 | Brand: Adafruit

The Adafruit Neo Trinkey is a tiny USB-A development board featuring an ATSAMD21 microcontroller and four RGB NeoPixel LEDs. Just plug it into any USB-A port on a computer or laptop and you've got a programmable, colo...

SKU: AF-4800 | Brand: Adafruit

The Adafruit MagTag is a WiFi-connected E-Ink display board powered by the ESP32-S2. Its 2.9" grayscale display retains its image even when power is removed, making it perfect for low-power IoT dashboards, status boar...

SKU: PI-COM2800 | Brand: Pimoroni

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...

SKU: SF-WRL-13231 | Brand: SparkFun

The SparkFun ESP8266 Thing is a breakout and development board for the ESP8266 WiFi SoC — a popular platform for IoT and WiFi-connected projects. All module pins are broken out to breadboard-compatible rows, and on-bo...

SKU: AF-4481 | Brand: Adafruit

The Adafruit ItsyBitsy nRF52840 Express brings Bluetooth Low Energy connectivity to the tiny ItsyBitsy form factor. Powered by the Nordic nRF52840 Cortex M4 at 64 MHz with 1 MB Flash, 256 KB RAM, and 2 MB QSPI Flash, ...

SKU: SF-WRL-17830 | Brand: SparkFun

The ESP32-WROOM-32E is a powerful, generic Wi-Fi+BT+BLE MCU module that targets a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music stre...

SKU: DF-SEN0138-L | Brand: DFRobot

A compact crash sensor (left-side variant) based on a miniature snap-action micro switch with roller lever. Designed for Arduino and compatible microcontrollers, this sensor module includes an onboard pull-up resistor...

SKU: WS-32576 | Brand: Waveshare

Industrial-Grade 6-Channel RP2350 Relay Module – Versatility Meets RobustnessEnhance your industrial automation systems with the unparalleled reliability and flexibility of our Industrial 6-Channel RP2350 Relay Module...

SKU: DF-DFR0809 | Brand: DFRobot

The ESP32-C3-MINI-1-N4 is a compact Wi-Fi and Bluetooth Low Energy module from Espressif, built around the ESP32-C3FN4 chip with a 32-bit RISC-V single-core processor running at up to 160 MHz. It includes 4 MB of embe...

SKU: AF-4375 | Brand: Adafruit

A simple I2C temperature sensor in a breadboard-friendly TO-220 package. The TC74A0 provides basic temperature readings with ±2°C accuracy — a straightforward choice when you need easy temperature logging or monitorin...

SKU: EC-ESP82003S | Brand: Elecrow

A compact sensor shield that pairs with an ESP8266 ESP-01 or ESP-01S module to monitor temperature and humidity over WiFi. The onboard DHT11 sensor captures environmental data, which the ESP8266 processes and uploads ...

SKU: SF-WRL-24807 | Brand: SparkFun

The ESP32-C6 MINI is Espressif's compact WiFi 6 module integrating 2.4GHz Wi-Fi 6 (802.11ax), Bluetooth 5.3 (LE), and IEEE 802.15.4 (Thread/Zigbee) into a single package with an on-board PCB antenna. Built around a hi...

SKU: SF-WRL-16781 | Brand: SparkFun

The SparkFun MicroMod ESP32 Processor Board brings Espressif's ESP32 into the MicroMod ecosystem via the M.2 connector interface. It provides WiFi and Bluetooth connectivity with the processing power of a dual-core Te...

SKU: SF-BOB-13311 | Brand: SparkFun

The Teensy 3.1 XBee Adapter connects your Teensy development board with the popular XBee wireless module, giving you a compact solution for projects requiring a reliable, no-frills wireless serial link with decent ran...

SKU: AF-3320 | Brand: Adafruit

The ESP-WROOM-32 is Espressif's flagship WiFi + Bluetooth Classic + BLE module, built around the dual-core Tensilica LX6 microprocessor. It targets a wide variety of applications from low-power sensor networks to dema...

SKU: SF-BOB-12886 | Brand: SparkFun

If you aren’t familiar with the Electric Imp, it essentially provides an easy, integrated way to connect almost any hardware device both to other devices and to internet services. The SparkFun Electric Imp Breako...