Good Basic Electronic Learning site for KIDs by Colin Mitchell
The old circuits is basic electronics that everyone need to learn! Read more
LED Light Sequencer Circuits
Here are LED light sequencer circuit that using IC-4017 and IC-555. Read more
LED Chaser circuit using 4017 and 555
If you want to build a 10 LED Chaser circuit we suggest this circuit first. It uses popular IC is a simple and affordable IC-4017_decade counter and IC 555 […] Read more
4 Automatic Solar Light circuit
This is simplest automatic solar led light circuit that my son try to make it for basic small solar charger. to use 2 x AA NI-MH battery total 2.4V Read more
Universal Preamplifiers using – NE5532 – LM382 – 741
You have a good power amplifier and speaker. You are listening to music. But the sound is very light. The problem has many reasons. One reason for the problem is the input signal is too low. You may need a preamplifier using IC. It will make the input signal is higher. Then, You will listen … Read more