Arduino powered kitchen timer

Kitchen timer can be very simple it can be around any logical IC and charging cap. As you know – in Arduino world it has to be in its way. Following kitchen timer is based on standard Arduino platform and protoshield. As timer indicator there is a ten LED bar used. That can be easily replaced with 10 LEDs. Piezo electric buzzer sounds when timer runs out. Single push button is used to input time and start timer. Single LED bar represents 5 minutes. So total 50 minutes can be programmed. So next step is to instruct your mom how to use it… Continue reading