Complete Digital Clock including many features: Alarm, Temperature, Humidy, Dew Point, RTC and PIR (Presence Infrared Sensor).

A simple 8x32 LED matrix alarm clock.

Arduino stopwatch and lap timer with excelent accuracy and responsiveness!

DIY onboard computer for bicycle

It is about the warning box that people who boarded on elevator despite the non-disabled.

A retro digital clock with count up timer feature and automatic dimming to match ambient light conditions.