The article describes a basic circuit for a water level controller that may be used to automatically turn on and off two submersible water pumps depending on to a preset […]
Car Tank Water Sensor Circuit without Corrosion
The article describes how to prevent corrosion on the detecting probes by employing an IC 555 and a pulsing signal in a basic automobile tank water sensor warning circuit. A […]
Dry Run Protector Circuits using Transistors only
The basic dry run protection circuits using BJTs shown here provide simple ways to check for low water levels in an underground tank but without needing to use probes inside […]
IC 555 Dry Run Protection Circuit
An preexisting circuit for an IC 555-based water level controller may be modified to include the dry run protection, as seen below: In the schematic above, the dry run function […]
Simplest Water Level Indicator Circuit using Transistor BC547
So you might be wondering what a water level indicator is. Well it is actually an electronic circuit that helps you see the different levels of water inside a tank. […]
ULN2003 Water Level Controller Circuit
The ULN2003 is a chip which contains seven separate sections, each made up of special transistors called Darlington pairs. These pairs are designed to manage moderate amounts of electrical current, […]