Five Battery low voltage alarm indicator circuits
These are Five Battery low voltage alarm indicator circuits, as ideas to make small projects, them use LED display easy, cheap with normal parts look below [...]
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June 26, 2017
Include: Volt meters :: Sound level meter :: Analog vu meter :: Soil moisture meter :: Digital meter circuit diagram :: Temperature measurements :: Electronic measurement tools :: Frequency meters :: Best battery tester :: Transistor tester project
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3 Simple transistor tester circuits
This is the Transistor tester circuit into PCB. When your project do not works, the tester electronic parts or component be what need very much.
June 3, 2017
Bicycle distance meter circuit using 4N26,CD4017
This is Bicycle distance meter circuit and main parts are reed switch detect to CD4017 then connected to Optocoupler and display to frequency counter. [....]
May 21, 2017
Simple LED music light circuit
This is a simple LED music light circuit. Music can change the LED light level gamut. Operation of this circuit is a circuit OP-AMP IC1-LM318-Single High-Speed Operational Amplifier / 1-IC1…
May 19, 2017
Four Light sensor alarm circuits
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 [...]
May 18, 2017
