Cheap Home disco lights by SCR-IC555-IC4017
This is a cheap home disco lights circuit. Friends like listening to Rock music,would like these circuits. It enhances your music listening more colorful. [...]
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August 5, 2018
Include: LED running lights • LED flashers
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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 [...]
March 8, 2018
Simplest automatic solar night 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
March 3, 2018
Simplest Automatic Solar Light from Water Bottle
Simple 1.5V LED Torch circuit
The 1.5v led flashlight circuit which also use single AA 1.5V battery. But few parts. Such as we use one transistor only. And all other parts of 5 pcs only [...]
August 21, 2017
Mini emergency light circuits
This is first mini emergency light of my son. It is very small, use LED display when power outage,use transistor instead relay use AA battery charger.
August 16, 2017
