Solder: Time II Watch Soldering Kit, Comes with ATmega328P Microcontroller, Compatible with Arduino IDEThe Solder : Time II is the latest version of the Solder : Time watch kit. This new version is even more hackable than ever. The on board microcontroller in this model is the very popular ATmega328P used in many of the current versions of Arduino. In fact, you can reprogram your watch using the same Arduino IDE software that you use for a regular Arduino. The Solder : Time II has a much more impressive display. Four 5x7 LED matrix modules gives you