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
All controller, motor speed driver,switches,timer,sensor,and more : Timer switches • DC motor speed control • Delay timers • Light switchs • SCR controls • Light dimmers • Infrared remote control system • and more…
The OFF After Delay circuit on Breadboard using MOSFET
Simple time Delay Circuit using MOSFET
For learn about MOSFET. I recommend Time Delay circuit easy to make and long time and a few parts than normal transistor
August 23, 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
CD4060 Timer Circuit 22 seconds to 4 hours
This is IC 4060 Timer circuit. When rises time that is set, Suppose set 5 minutes time. after all time to 5 minutes. the circuit will emit a sound of buzzer once. [...]
August 5, 2017
Simple Switch off delay circuit using 2N4871
This circuit prevents surges. From the opening is switched off or power failure. The damage to electrical appliances.
July 26, 2017
On-off SCR control circuit with logic gate IC
This is On-off SCR control circuit with logic gate IC. SCR will turn ON when input A gets bias current. But SCR will turn off if its input B gets current.
July 18, 2017
Surge protection circuit for power supplies
The surge protection circuit important! Sometimes, our electrical appliances may damage easily by little high voltage surges. We can protect this problem.
June 26, 2017