In this post we investigate a very simple triac diac controlled very reliable heater controller circuit. In in an attempt to come up with a light dimmer on your own, […]
Find Concealed Metal Pipes, Nails, Studs using this Circuit
In this article we learn how to construct 3 useful circuits which can help us to detect and locate metal pipes, nails, studs concealed or hidden under walls or ground. […]
Simple Stereo Amplifier Circuit using IC TDA2004
A very simple 10 +10 or in total 20 watt stereo amplifier circuyit has been discussed in this article using a single low cost IC TDA 2004 or a TDA […]
Speaker Box Amplifier Circuit with Woofer, Tweeter
If you are planning to make an speaker amplifier box circuit or ampli-speaker unit with integrated woofer and tweeter, this circuit will help you to reach your goal with great […]
Darkness Safety Light Circuit for Bikers and Pedestrians
In this article we study a neat little LED flasher circuit which could help the bikers and pedestrians, runners, to create a blinking safety light on their body outfit, such […]
Capacitive Proximity Sensor Alarm Circuit
The discussed capacitive proximity sensor alarm circuit is composed of a transistor TR1 NPN BC107 (or similar) fitted in oscillator and operating a Darlington TR2 NPN BC517 accustomed to push […]