The first one is a single transistor simple microphone circuit, very simple to hook up using an electret microphone or MIC and an audio amplifier. Typically the 10K resistor within […]
Non-Contact Voltage Detector Circuits Using Transistors and IC
In this post we are going to discuss a few non-contact voltage detector/tester circuits for checking the presence of active mains live wire. We will be understanding what non-contact voltage […]
2 Simple Electronic Gong Circuits Explained
The first electronic gong circuit presented below simulates the sound of a bell or a gong; The circuit consists of a resonant filter, built around IC2 and IC3, which rings […]
Bass Treble Tone Control Circuits – 3 Designs Discussed
The explained bass treble tone controller circuit not only facilitates the control of the bass, treble frequencies but also the mid range frequencies using its efficient 3 way tone control […]
IC 555 Inverter Circuits
The first IC 555 inverter circuit with triacs makes use of an IC 555 for generating the oscillations and triacs for converting these oscillations into mains voltage through the transfomer. […]
Best Low Drop Solar Charger Circuits Explained
The first Low Dropout Voltage (LDO) solar charger controller circuit using transistors makes use of a basic differential amplifier along with series P channel MOSFET linear regulator -their compatible use […]