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Posts tagged rain alarm circuit working

Rain detector circuit

Rain detector circuit LM1801, 2N2222, 4011B, NE555, LM555, BC547, BC107, 2N5825, BC548, BC168 Rain detector circuit 3 kinds of circuit diaghrams to dethect the rain water, the principle is the same, the difference is the component, and the results were good, of course should be in comparison to his own. Good luck making Rain detector […]

How to tell if cdi is bad – Circuit Module CDI ignition scooter

How to tell if cdi is bad – Circuit Module CDI ignition scooter ? CDI Pinout circuit module 1.Input from trigger pickup Module 2.To ignition Coil Positive 3.Nothing / open 4.Ground 5.Kill switch 6.CDI Power How to tell if cdi is bad? What happens when a cdi box goes bad ? Coil is a function, […]

Simple RF Signal Strength Meter

Simple RF Signal Strength Meter RF Signal Meter circuit diagram Signal Level Meter, Satellite Meter QAM & DVB Analyzer using 2N3819, 2N229  

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