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 […]
Dry Run Protection for Motor using Reed Relay Switch
When there exists no water in the tank and zero water is flowing out of the pipe plug, the pump motor could be equipped with an efficient dry run protection […]
Motor Dry Run Protection Circuit using IC4049
Six NOT gates from the IC 4049 may also be used to create a completely automatic version of a motor dry run protection circuit as seen below. This setup should operate […]
Simple Short-Circuit Protection for Power Supplies
Here we are discussing a pretty affordable yet surprisingly effective way to protect our power supply circuits from short circuits. This is super useful for anyone who loves tinkering with […]
Simple 220V Over and Under Voltage Protection Circuit
This very simple two transistor circuit will ensure that your home electrical and appliances are never affected by abnormal voltage fluctuations. This circuit designed to cut off the 220V supply […]
Simple Mains Overload Protection Circuit
I have posted a few mains voltage stabilizer circuits in this blog, these units are made and meant for preserving the connected appliances at their outputs. In spite of this […]