We Made This Simple Transformerless Power Supply with MOSFET, That Gives 0 to 300V DC and Adjustable Current, But Careful… It is Super Dangerous to touch in uncovered condition…. So […]
Variable Tone Generator Circuit using Magnet
Wondering how to build a tone generator circuit whose frequency could be changed or adjusted simply by moving a magnet near its sensor coil? This article will explain exactly how […]
High End Bench Power Supply with Variable Voltage/Current
The post explains a schematic design of a versatile, Hi-End work bench power supply whose output voltage and output current can be independently adjusted very finely, with high accuracy and […]
Variable Notch Filter Circuit
This variable notch filter circuit for enabling an adjustable audio frequency cancellation as desired by a specific application. A Notch Filter can also be named as Band Stop filter or […]
Variable Windscreen Wiper Delay Circuit
Practically in most windscreen wiper delay circuits the wiper speed is self-governing of the speed of the vehicle. However the quicker the vehicle travels, the more rain falls on the […]
1.25 V to 30 V Variable Power Supply Circuit using IC LM350
The variable voltage current power supply might look very small and compact physically, but it has the supply capacity of up to 3 A at 1.25-25 V output voltage. However, […]