cards & micros

Most of the MCUs use TTL levels, and the computer serial port generally uses 232 levels. If we want the computer to communicate with the MCU, we...

Official Raspberry Pi 4 Power Supply (5.1V 3A)

The Raspberry Pi 4 Model B 2G is the low cost board of the fourth generation Raspberry Pi family. It's a high performance based on 64-Bit quad core...

This board allows you to interface with your car's OBD-II bus. It provides you a serial interface using the ELM327 command set and supports all ma...

The ETH8020-B is a drop in update of the ETH8020 with additional upgrades. The ETH8020 provides 20 volt free contact relay outputs with a curren...

ON...off...ON...off...ON...off...ON...off...WE CAN'T STOP CLICKING THIS ON-OFF SWITCH! It has such a satisfying click and it works so well. Plus,...

The SparkFun Serial Basic Breakout is an easy-to-use USB-to-Serial adapter based on the CH340G IC from WCH. It works with 5V and 3.3V systems and s...

This is SparkFun Beefy 3 FTDI Basic Breakout for the FTDI FT231X USB to serial IC. The pinout of this board matches the FTDI cable to work with off...

FEATURES Allwinner A20 dual core Cortex-A7 processor, each core typically running at 1GHz and dual-core Mali 400 GPU 1GB DDR3 RAM memory ...

iMX233-OLinuXino-Micro is a single-board Linux computer in a very compact form. FEATURES iMX233 ARM926J processor at 454Mhz 64MB RAM S...

This kit has all the parts needed to connect to the Ethernet port on Teensy 4.1. This kit includes an Ethernet MagJack, bare circuit board, ribb...

The WIFI484 provides four volt free contact relay outputs with a current rating of up to 16Amp each, 8 digital I/O and 4 analogue inputs. The modu...

A prototyping board is one of the main steps in hardware development, also called a perf board. Breadboard, wiring and punching in chips, resistor...

MOD-RGB is a completely open-source module suitable for controlling LED strips. The LED strips might be of the same color or different colors. The ...

This breakout board uses the LTC3588 Piezoelectric Energy Harvester from Linear Technologies. This board can be used not only for harvesting piezo...

Listen to this good news - we now have an all in one digital audio amp breakout board that works incredibly well with the Raspberry Pi! If you're l...

Once you have seen an OLED display in use you will never want to use an LCD again! Much brighter display, much better viewing angle and lower cu...

MuIn dsNav is a versatile board based on Microchip dsPIC33FJ motor controller family . Those DSCs, thanks to their unique features, are capa...

Datasheet (245K) PDF

BOOTABLE MICRO SD CARD WITH DEBIAN IMAGE Please note: this SD card is suitable only for A10-OLinuXino-LIME

The DMX-USB-RX-D8 module is a fully compliant with the latest USITT DMX512-A standard, E1.11-2004. This small module, powered by a single 9V AC or...

The MIDI-RLY8 provides 8 relay outputs that respond to midi note or control change messages, these can be either mechanical or solid state relays....

This is the SparkFun Rotary Switch Breakout, a very simple board designed to easily provide you access to each pin on our 10-position rotary switc...

This is a very simple board that takes a 6-12V input voltage and outputs a selectable 5V or 3.3V regulated voltage. All headers are 0.1" pitch for...