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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 […]

Test equipment schematic for detect remote control

Test equipment schematic for detect remote control  using BC109C, LM7805 C1 100u 10V C2 100n R1 10k R2 1k R3 33R 1W R4 3k3 Q1 BC109C IC1 LM7805 if your remote control was broken, of course, require a tool to ensure 100% broken, this is the tool used to test if the remote is damaged

Reparations VCD and DVD

Reparations VCD and DVD Tips and Repair guide VCD, simply put, there is the following message: no disk errors, no disk message, philips dvd player says no disc, dvd no disc error, Lecteur dvd no disk, disk utility without dvd, dvd player no disk, Generally dvd player shows no disc No optical disk due to […]

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