cards & micros

This through-hole speaker is great for projects where you need something that sounds better than a piezo buzzer but don't have room for a full-blo...

Teensy 4.0 is the latest Teensy, offering the fastest microcontroller and powerful peripherals in the Teensy 1.4 by 0.7 inch form factor. Teensy...

The new version is available: ETH008-B - 8 relay outputs at 16A Overview The ETH008 provides eight volt free contact relay outputs with a c...

This protoshield allows you to add your own circuitry or components to your Grove system prototypes. Does this allow yo...

The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. The Teensy LC (Low Cost) is a 32 bit micro...

Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find t...

The Teensy USB Development Board is a complete USB-based microcontroller development system. Version 3.6 features a 32-bit 180 MHz ARM Cortex-M4...

PRODUCT DISCONTINUED, REPLACED BY THE NEW VERSION The USB-RLY02 provides two volt free contact relay outputs with a current rating of up t...

Now that you've finally got your hands on a Raspberry Pi® , you're probably itching to make some fun embedded computer projects with it. What you n...

RJ45 connectors are the kind that are used for Ethernet jacks, but they make great general purpose connectors when you need a lot of conductors. Th...

The 'must have' IC for TTL/CMOS projects finally has its own breakout board! This is the RS232 converter IC that is capable of running at 3V and co...

This is the Teensy Audio board add-on for the Teensy 3.0 and 3.1 development boards. This audio board provides you with an easy-to-use tool to add ...

The USB-RS485 module provides an easy to use RS485 interface by means of a Virtual Com Port on the users system. There are no command structure...

The SparkFun Load Cell Amplifier is a small breakout board for the HX711 IC that allows you to easily read load cells to measure weight. By connec...

The cable is the easiest way ever to connect to your microcontroller/Raspberry Pi/WiFi router serial console port. Inside the big USB plug is a USB...

This is the newest revision of our FTDI Basic. We now use a SMD 6-pin header on the bottom, which makes it smaller and more compact. Functionality ...

The Grove - Speaker is a module consisting of power amplification and voice outputs. The loudness can be adjusted by the on-board potent...

Now that you've finally got your hands on a Raspberry Pi® , you're probably itching to make some fun embedded computer projects wi...

This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like a rotary switch - it...

Your microcontroller probably has an ADC (analog -> digital converter) but does it have a DAC (digital -> analog converter)??? Now it can! Th...

Breakout board for the microSD socket that is not much bigger than your fingernail. Compatible with the SPI interface found on any SD card, this t...

This RC relay enables easy control of large, electrically isolated loads in radio control (RC) systems. The activation threshold and direction are...

The ETH002 provides two volt free contact relay outputs with a current rating of up to 16Amp each. The module is powered from a 12vdc supply which ...

Pimoroni's adjustable Pi Camera mount is a great accessory for Pi shutterbugs. Little screws attach the Pi Camera solidly and the design allows fo...