5-minutes Power Off Delay Timer Circuit
Want to have longer lighting with the original battery? Let’s learn the concept and design of the power off delay timer circuit in a simple way. You may apply it indefinitely. Read more
Delay timers
DIY Compressor time delay circuit
SEE DIY compressor time delay circuit. Protect your compressor when power outage and Electrical fluctuations. Using normal parts and cheap. Read more
Simple long duration timer circuit
The Simple long duration timer circuit using OP-AMP, If build the RC timer only that long time delay we need too many resistors and capacitors may be error […] Read more
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 Read more
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. Read more