“In this project I will show you how to make a alarm that will sound if you have left the fridge door open to long. This circuit is not just limited to a fridge it could be used to trigger a alarm is any door has been open for to long.”
“In this project I will show you how to make a alarm that will sound if you have left the fridge door open to long. This circuit is not just limited to a fridge it could be used to trigger a alarm is any door has been open for to long.”