The post explains an upgraded version of my previous mains 220V/120V high-low voltage cut off protection circuit which now includes a delayed restoration of power for the load with 3 […]
Timer Controlled Submersible Pumpset Circuit
The post details a timer circuit for submersible borewell pumpset which alternately switches the pumpset ON/OFF at a predetermined rate in order to allow the ground water sufficient time to […]
IC 4060 Latching Problem [Solved]
The post talks about an IC 4060 timer circuit problem implemented in a coffee wending machine, in which the circuit simply stops working each time its stipulated delay period is […]
Laser Activated GSM Call Alert Security Circuit
In this post we discuss a simple laser GSM call alert security circuit which immediately calls the master as soon as an intruder is detected through a laser beam interruption. […]
Kiln Temperature Controller Circuit
A programmable sequential timer along with a triac dimmer is configured for making this kiln temperature controller circuit, further details are explained in the following article. The idea was requested […]
Autoclave Heater Controller Circuit
In this article we learn how to make a simple and accurate autoclave heater controller circuit with timer. The idea was requested by Mr. Rajjab. Circuit Objectives and Requirements This […]