Here we will study the design of a simple automatic mains AC voltage stabilizer which can be applied for safeguarding appliances like TV and refrigerators from fluctuating voltages. A voltage stabilizer is […]
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Pump Motor Timer Circuit with Dry Run Protection
In this post I have explained about a circuit which can be used to monitor and detect the presence of municipal water supply by operating a pump motor through an […]
Automatic Door Controller Circuit using a Single Push-Button
Automatic Door Controller Circuit using a Single Push-Button
LM35 IC Temperature Controller Circuit with Push Button
In this post I have explained a simple yet very accurate temperature controller circuit using IC LM35, featuring an automatic cut off with a push button latch. LM35 is a […]
Flashlight Circuit with Long Backup and High Efficiency
There are two main advantages of this highly efficient flashlight circuit with long backup. Firstly, it uses only a single 1.5V AAA cell and illuminates a 3.3V LED. Secondly, the […]
Day/Night Triggered Automatic Door Lock Circuit
In this post I have explained a simple day, night triggered automatic door lock circuit, which can be used for autonomously unlocking a kennel door during day break, and locking […]
