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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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![SOLVED] Wiring of a dual channel relay: HL-52S question - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/8/c/1/8c19619455c19471713da56c7d3e45151c985534_2_500x375.jpeg "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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![SOLVED] Wiring of a dual channel relay: HL-52S question - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/6/b/b/6bbaf6af2e5a79d4c17afb47bdb70595105b35a2.jpeg "SOLVED] Wiring of a dual channel relay: HL-52S question - Project Guidance - Arduino Forum")