This 0-24V 5 Amp variable power supply circuit regulated mainly uses transistors for the power control and can be easily altered from 3 to 24 volts. In the shown design […]
Making Delay Timers using NOT gates IC 4049
The post explains how accurate delay timers using NOT gates can be built easily with the help of ICs such as IC 4049 and generate reproducible delay features from these […]
Thermal Indicator Circuit for Heatsinks
The post details how to build a simple 3 LED thermal indicator circuit for heatsinks and other similar applications to quickly understand the level of heat on the selected surface […]
Doorbell With Memory Circuit
On occasion this could be helpful to understand when a potential user has visited your door steps as part of your absence. This is especially valid in the circumstance of […]
Door Lock Circuit using Digital Code
In this post we try to analyze a simple door lock circuit using digital code that needs to pressed with a unique sequence in order to activate the door lock […]
Car Lights ON Warning Circuit
The article explains how to build a simple car lights ON warning circuit for enabling the driver to learn about the a car light accidentally left switched ON after a […]