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 […]
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 […]
Simple Water Level Alarm Circuit using IC 555
In this article we talk about an easy water level alarm circuit using a 555 timer designed to generate an audible alarm as soon as the water level reaches a […]
Simple Microphone (MIC) Amplifier Circuits
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 […]
Simple 220V Ding Dong Bell Circuit
The post explains how to make a simple 220V mains operated ding dong bell circuit which will generate a powerful ding dong sound each time someone presses the bell push […]
2 Simple 40 watt Fluorescent Tube Emergency Light Circuit
The first circuit of a 40 watt fluorescent emergency lamp is centered around the theory of oscillating on the primary of a transformer to accomplish a secondary high voltage able […]