Optimised Semiconductor Noise Source Circuit
Overview We have previously released designs utilizing a transistor junction in Zener breakdown mode as a noise source. … Read more
BC547 Circuits
Dual Channel 12v Relay Driver Board Circuit
Overview In today’s tutorial, we are going to make a “Dual Channel 12 Volt Relay Driver Circuit” using … Read more
4 Transistor Audio Amplifier Circuit
In this tutorial, we are going to make a “4 transistor audio amplifier circuit”. The amplifier is simple … Read more
3-Phase Signal Generator Circuit
Introduction A 3-phase signal generator circuit is a powerful tool for any engineer or technician working in electrical … Read more
Multipurpose FM transmitter Circuit – DIY
Introduction Knowledge matures when practically gets implemented. It allows a person to get a clear sense of many … Read more
Simple Soil Dryness Detector Circuit
In this tutorial, we are going to make a “Simple Soil Dryness Detector Circuit”. Soil is the most … Read more
Non-Contact AC Voltage Detector Circuit
Introduction A non-contact voltage identifier or detector is an electrical analyzer that assists with recognizing voltage. Voltage presence … Read more
Simple PIR Sensor Circuit SL100
Introduction Have you ever thought that how the automatic doors of stores and malls work? How does it … Read more
Simple Colpitts Oscillator Circuit
Introduction To get the definite frequency and amplitude in various electronic circuits, oscillator circuits become part of those … Read more
Simple Single Transistor Audio Amplifier Circuit
Introduction The electronics are nothing without the amplifier circuits. Since amplifiers are one of the basic and important … Read more
Simple Broken Wire Detector
Introduction Sometimes it happens that after making any device or circuit it would not work properly. So, the … Read more
Short Circuit Protection Circuit
Introduction Sometimes you may have observed that your heavy electronic devices suddenly stop working. There could be so … Read more
Heat Sensor Circuit using Thermistor
In this tutorial, we are going to make a “Heat Sensor Circuit”. Nowadays it is essential to install … Read more
Field Strength Meter Circuit
Introduction Field strength meters are basically the circuits that detect the radiofrequency field. In other words, their basic … Read more
Multipurpose Hall Effect Sensor Circuit DRV5013
Introduction To sense the movement and position of an object in a system, a sensor known as the … Read more
Simple Broken Wire Detector
In this tutorial, we are going to make a “Simple Broken Wire Detector”. When a wire is shorted … Read more