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. [....]
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May 21, 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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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
Coaxial cable tester circuit
This is Coaxial cable tester circuit,to check the cables inside and outside. Check the continuity,short-circuited,detect high resistance, By show with LED [...]
May 16, 2017
Simple digital voltmeter circuit diagram using CA3162 and CA3161
This simple digital voltmeter circuit diagram is a saving, easy to use by CA3162-CA3161as main,3-digit numeric display- LED 7 segment,+ 5V power supply [...]
May 10, 2017
LED FM Tuning Indicator
Usually already the circuit F.M. Discriminator the majority will give output that can modify tall and lower 0V depend on something tuning and often use drive Tuning meter at have…
May 5, 2017
Noise limiter signal
Interference from ignition noise pulse of the engine, it can cause various problems associated with radio communication equipment installed in the car.This circuit improves signal to noise ratio (S /…
April 30, 2017
