Works with the Uno! This prototyping shield is the best out there (well, we think so, at least). It works with UNO, NG, Diecimila and Duemilanove Arduinos. You can use it with a Leonardo but it will not break out the hardware SPI pins (they're only on the ISP connector underneath) or the...

This is just the PCB for a proto shield. No other parts are included. This shield is designed for the Arduino Uno, NG and Decimila Arduinos.For parts list and instructions, please visit the website

“How could something so simple be so useful?” We heard once that in the 4th millennium B.C. some guy asked the person who invented the wheel that question.  The person who invented the wheel’s answer, we were told, was...

We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI and I2C, timers and PWM galore - just enough for most simple projects. When we need to go small, we use a

Note: This product is discontinued, but you can purchase the Seeeduino Lite, which is an equivalent alternative that can be used instead.The Arduino Leonardo is a microcontroller board based on...