cards & micros

Advanced 'X2' part Features (20X2, 28X2, 40X2 part) • all X1 part features plus • up to 4 internal program slots and 32 external program slot...

The SparkFun OpenScale is a simple-to-use, open source solution for measuring weight and temperature. It has the ability to read multiple types of...

Would you like to add audio/sound effects to your next project, without an Arduino+Shield? Or maybe you don't even know how to use microcontroller...

The Teensy is an amazing and compact development platform in a breadboard friendly form factor, but what if you could incorporate it into the Ardu...

Right out of the box - Simple configuration and setup from your web browser. Control it from a web page, or select tcp/ip control with an option o...

This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or...

ETH008 houses. Includes mounting holes for fixing to a wall or back panel. This precision snap together case includes screws for mounting the ETH0...

Number of Relay's - 8 Power - 5v @ 100mA max. Control interface - Serial or I2C Relay current - ...

Overview The USB-OPTO-RLY816 provides eight optically isolated inputs and eight volt free contact relay outputs with a current rating of up to ...

Overview A low power version of the USB-RLY16 module, the USB-RLY16L is powered solely by the USB bus and provides eight volt free contact relay o...

Are you low on I/O? No problem! The SX1509 Breakout is a 16-channel GPIO expander with an I 2 C interface – that means with just two wires, your mi...

Would you like to add audio/sound effects to your next project, without an Arduino+Shield? Or maybe you don't even know how to use microcontroller...

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...

Need to put your finger on the pulse of the Earth? Did I just blow your mind? A geophone works by translating ground movement into voltage, which ...

PaintYourDragon is back with another gorgeous laser-cut masterpiece. This time he's taken a pass at updating the classic Adafruit Pi Box for the R...

The Relay Shield utilizes four high quality relays and provides NO/NC interfaces that control the load of high current. Which means it could be a ...

Its a mini panel-mountable HDMI monitor! So small and simple, you can use this display with any computer that has HDMI output, and the shape makes...

PowerBoost is the perfect power supply for your portable project! This little DC/DC boost converter module can run from 1.8V batteries or higher, a...

Extra-long and bendy, this is just like your classic Pi GPIO cable but 12" (300mm) long and fitted through a tube so that it's a little more flexi...

The mbed Microcontroller is an ARM processor, a comprehensive set of peripherals and a USB programming and communication interface provided in a...

The SparkFun 8-Pin SOIC to DIP Adapter is a small PCB that lets you adapt SOIC packages into a DIP footprint. These tiny boards are useful for mod...

The LinkIt ONE development board is an open source, high performance board for prototyping Wearables and IoT devices. It's based on the world's lea...

Beguiled by a fancy new chip that is only available in a SOIC or (T)SSOP pinout? This breakout PCB set will make your life much much easier and get...

The TLC5940 is a 16 channel PWM unit with 12 bit duty cycle control (0-4095), 6 bit current limit control (0-63), and a daisy chainable serial i...