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![SOLVED] Wiring of a dual channel relay: HL-52S question - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/a/3/6/a367f683d3cc79b1726cbba84c19dbedc93c844f.png "SOLVED] Wiring of a dual channel relay: HL-52S question - Project Guidance - Arduino Forum")
SOLVED] Wiring of a dual channel relay: HL-52S question - Project Guidance - Arduino Forum
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