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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 […]

500W PA amplifier with Layout APEX B500

Database Schema Diagram APEX B500 APEX B500 Parts List   2SA1943, 2SC5200, NE5532, 2N5551, 2N5401, MJE350, MJE340, MJE15032, MJE15033 500W PA amplifier with Layout APEX B500  

High Quality Walkie Talkie – Radiocomunicación

High Quality Walkie Talkie Circuit module The second circuit diagram is a simple way to make a walkie talkie. Walkie talkie principle is to use two pairs of radio transmitter and receiver are combined together to form a walkie talkie. That each contains one receiver and one transmitter device. but only just transmitter circuit course […]

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