To tackle this problem [Lewis] assembled an NFC computer unlocker by using an Arduino Leonardo together with an NFC shield. As the latter doesn’t come with its headers soldered, a little bit ...

For the most part, the build is what you would expect: a 16×8 LED Matrix display driven by a TLC5920 LED driver, with an Arduino that uses a DS1307 RTC (real-time clock) with a coin cell ...

Rapid adds Leonardo to its other Arduino hardware, which includes the Uno ... and is supplied either with or without headers. The ATmega32U4 chip is surface mounted, and the Leonardo board includes ...