Automatic Water Pump Controller Using 555 Timer IC
A simple but very reliable and effective water level controller circuit diagram is shown here. The circuit uses 6 transistors, 1 NE555 timer IC, a relay and few passive components. The circuit is completely automatic which starts the pump motor when the water level in the over head tank goes below a preset level and switches OFF the pump when the water level in the over head tank goes above the full level. Automatic Water Pump Controller Circuit Using 555 Timer IC Description: This circuit will automatically switch on the water pump or motor when the level of water reaches below from the required level and then automatically switches off the pump when the tank is filled. It can be used for various purposes and not only to control the water level but also other kinds of liquids. The main component of this circuit is a 555 timer IC. There are three probes in this circuit, they will detect the high and low levels of water. The probe which is marked as the upper-level probe will detect the...