Using just one IC 555 in addition to a few additional passive components, we will learn how to create a simple DC to DC voltage doubler circuits in the following […]
Constant Voltage Transformerless Power Supply Circuit
This article transforms a basic capacitive power supply into a safer and more versatile design. The resulting transformerless circuit will offer: This improved design will be suitable for powering a […]
High Voltage Regulated Power Supply Circuit with Over Current Protection
When working with electrical circuits, a well-regulated power supply is crucial. In addition to providing a controlled high output voltage that ranges from 50V to 100V, the design we propose […]
Battery Low Voltage Alarm Circuit using NAND Gates
The Battery Low Voltage Alarm circuit has a very significant purpose aside from its basic design. It alerts you when a battery is about to run out so you can […]
120V 220V Over Voltage and Under Voltage Cut OFF Circuit Explained
Each time a high voltage or low voltage condition occurs, this AC mains high/low cut-off device will shut down or cut off the mains supply from the home’s electrical system. By […]
Simple AC Voltage Indicator Circuit
A circuit described as the LED AC mains voltage level indicator may be used to monitor and show the current voltage status of any 220 V or 120 V mains […]