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 […]
Automatic Darkness Activated Porch Light Circuit
The post explains a simple dark triggered porch light or corridor light circuit using a single IC 741 and few other passive components. This arrangement enables you to automatically switch […]
Simple 1 minute to 60 minutes Timer Circuit using IC 4011
This simple NAND gate timer circuit enables you to turn off a selected device after about 1 to 60 minutes. The circuit can be used to turn off gadgets such […]