In this post we study a simple moisture sensor circuit which enables an evaporative air cooler to automatically restore the wetness level of its evaporative pad by detecting its moisture […]
Submersible Pump Start/Stop Circuit
The post explains an automatic submersible pump start, stop circuit with dry run protection in order to implement an automatic ON/OFF switching of the motor in response to the high/low […]
Borewell Motor Pump Starter Controller Circuit
The post explains a circuit which controls a submersible borewell motor by operating its red (Start) and green (Stop) buttons, in response to low level, high level water conditions, and […]
Cheap Cellphone Controlled Water Pump for Farmers
The post presents a cheap cellphone remote controlled water pump circuit which allows farmers (user) to switch ON their field water pump without practically visiting the spot, thus saving precious […]
Solar Drip Irrigation Circuit for Indoor Gardens
The post explains a water level controller circuit which can be used for implementing an unmanned continuous drip irrigation to a home based garden. The idea was requested by Mr. […]
Water Flow Valve Timer Controller Circuit
The article details about an automatic water flow controller timer circuit which switches a valve mechanism ON/OFF as per a set predetermined timing sequence. The idea was requested by Mr. […]