The post discusses a DC power controller circuit which can be used for controlling the power of motors and lamps with maximum efficiency. By Sangeeta Naik How MOSFETs conduct to […]
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Guitar Distortion Generator Preamplifier Circuit
Distortion and overdrive are types of audio signal enhancement that are employed to change the tone of amplified electric musical instruments like guitars. Typically, this is accomplished by increasing the […]
LED Light Circuit for Street Vendors, Hawkers, Shopkeepers
In this post we will discuss how to build a very simple, low cost LED lamp with charger. This unit can be used by any street seller, vendor, hawker, to […]
Semiconductor Tester Circuit [LED, Transistor, SCR Tester]
The semiconductor tester circuit explained below performs continuity tests on SCRs, bipolar transistors, and diodes. How the Circuit Works A squarewave oscillator with a frequency of about 350 Hz is produced […]
Freezerless Refrigerator Circuit Diagram Explained
Existing frost free double door refrigerators function with the help of defrost timer and defrost heater for automatic defrosting. The objective of my circuit is to convert the existing refrigerator […]
Guitar Jammer Circuit (Mix an External Audio with your Guitar)
This Guitar Jammer circuit explained below enables you to jam out to your favorite songs from your cellphone or computer. You can mix an external audio track with your guitar […]