LCD 16x2 Clock with Blinking Colon Separator v2.0 (with Button for Setting Time and Thermometer LM35)

This is the update version of LCD 16x2 Clock. In this version, I added button for setting hour and minute. I also added digital thermometer with LM35 sensor.

LCD 16x2 Clock with Blinking Colon Separator

This is a LCD clock project with AVR ATmega16 microcontoller. The time display on LCD has a colon separator between hour, minute, and second, which is blinking every 500ms.