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![LM7809 switching regulator [SOLVED] - General Electronics - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/7/1/6/716b1f17f2584bf02013700a72e68efcccbb11c6.png "LM7809 switching regulator [SOLVED] - General Electronics - Arduino Forum")
LM7809 switching regulator [SOLVED] - General Electronics - Arduino Forum
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