All of the figures below demonstrate how CD4001B CMOS NOR gate ICs can be used to create highly reliable delay relay timer circuits, with time interval range from a few […]
Snubber Circuits for Protecting Relay Contacts from Arcing
In this post we elaborately discuss regarding the many kinds of snubber circuits using resistor/capacitor, diodes, varistors, and also learn which of these topologies is the most efficient when it […]
Touch Operated Flip Flop Relay Switch
The post explains a simple yet very useful touch operated flip flop circuit. It operates by touching a sensor pad which results in an alternate high/low logic outputs in response […]
Solid State Relay (SSR) Circuit Using Triac
A solid state relay (SSR) circuit using in built zero crossing detector is explained in this post. The circuit is extremely simple to implement and make nevertheless offers with valuable […]
How to Build a Solar Panel/AC Mains, Relay Changeover Circuit
The mentioned automatic change over relay circuit is usually charges the attached battery at continuous current by means of the power caused by the solar panel, and reverts to DC […]
Simple Time Delay Relay Protector Circuit for Refrigerators
Every refrigerator has a compressor, generally a hermetically sealed unit with a motor. This unit is the heart of a refrigerator. As motor burn-out due to any reason can mean […]