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.
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August 9, 2019
8 Light sensor alarm or Sensitive Sound Generator
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 [...]
August 8, 2019
12 volt dc variable speed motor controller circuits using CMOS
To Control speed DC motor easily with a few parts in circuit.
August 6, 2019
TL084 circuits JFET Input Op-amp datasheet
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:
August 3, 2019
2 DC power supply protection circuits
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…
August 1, 2019
24V power supply circuits
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
July 19, 2019