T-baneklokke – A Coundown clock

https://www.electronics-lab.com/t-baneklokke-coundown-clock/

Joakim made a coundown clock for his wife and documented the whole process on his blog: The clock is built using an Arduino, and has a battery powered real time clock to remember the time while powered off. To make it truly stand alone I added the possibility to set the time and time-to-leave using buttons. The […]