On this week,I have done the transmitter circuit constructing and testing it without pairing with the receiver yet. For the main circuit design, I have difficulty to print it out so I had to construct it again with the Dip trace software manually to maintain the component position.
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| Transmitter circuit |
to stick the circuit to PCB, I use the iron to heat it and make the ink glue to the PCB. The process take about half hour to be done. After the transparent paper remove, the board soak into the etching solution to remove the unused copper and board washed with water before scrub it with sand paper.
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| Printing circuit |
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