In this post we will discuss how to build an LED bow tie circuit which will activate and blink a few LED lights stuck on your bow tie in response […]
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Sound Activated LED Lamp Circuit
A highly sensitive sound activated LED lamp circuit can be built using just a few transistors and resistors. The circuit is actually a high gain MIC amplifier circuit which amplifies […]
High Efficiency Li-Ion LED Driver Circuits Explained
The post explains a high efficiency 1.5 V to 4.2 V LED driver circuits which can be used with a standard Li-Ion battery for enhanced illumination, extended battery backup and […]
Audio Clipper and Compressor Circuits Explained
The article explains using circuit diagrams how a clipper and a compressor circuits work to processes an input audio signal as per the required output signal. What is an Audio […]
How to Measure Very Low Current [Circuit Diagram]
Accurately measuring very low currents of a few microamps or less using a regular panel meter or multimeter is not feasible. To make such precise measurements, you need to employ […]
Breath Detector Circuit
The breath detector circuit explained below can be used to check or monitor the breathing function of a human or patient. Let’s understand the detailed working of the circuit from […]