cards & micros

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...

The LilyPad MP3 Player is your all-in-one audio solution, containing an Arduino-compatible microcontroller, MP3 (and many other formats) audio dec...

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...

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...

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 - ...

This is the SparkFun RJ45 MagJack Breakout, a simple board that will provide you with a way to put an ethernet port into your breadboard. The Spark...

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

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...

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 RC switch converts hobby radio control pulses to digital on/off signals and has an integrated medium, low-side MOSFET that allows it to drive...

The Raspberry Pi is a wonderful little computer, but one thing it isn't very good at is controlling DC Servo Motors - these motors need very specif...

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 ...

This adapter allows you to easily use gigabytes of SD card flash memory and/or a Wiznet WIZ820io ethernet module with Teensy LC, 3.0, 3.1 or 3.2. ...

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 ...

Grove - MP3 v2.0 is a tiny-size and compact audio module. It supports operations including shuffle and play in an order of various audio files suc...

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...

Allows easier interfacing of the A20 board by displays with VGA port connector (very useful if you lack HDMI screen). The signals from the small o...

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...