SEE DIY compressor time delay circuit. Protect your compressor when power outage and Electrical fluctuations. Using normal parts and cheap.
These are four light sensor alarm circuits, when be become dark, or Light sensitive switch.Use part is important light sensor LDR light dependent resistor [...]
To Control speed DC motor easily with a few parts in circuit.
DC Switching Regulate 3A
TL084: low noise OP-AMP in cheap. Use JFET input. Why popular in audio & a lot of circuits: wide bandwidths and fast slew rates. Example:
The 3-pin regulator 7800 series get very popular. I also like it. Because it is convenient and affordable. Although inside it has short circuit protection. But often, it would have…
Learn 9 ways to build 24V regulated power supply circuits, with 1A, 2A, 3A, 5A load current, low ripple. using general parts easy to build