Automatic Water Pump Controller

Circuit of automatic water pump controller is functions to control the water pump automatic in a reservoir or water storage. As the water le...

Pump it up Mp3 Booster

MP3 players are all the rage these days. The smaller ones in memory-stick format are particularly easy to take with you; your very own ‘pers...

Cheap Pump Controller

This simple but effective circuit can be used to control water level in a container. The prototype is used to pump water out of a bucke...