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Waveshare RPi Relay Board, with 3-way Relay Control, with Pi 40PIN GPIO Extension Header, Compatible with Raspberry Pi Series Boards, Used for Pi to ...
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![wiring - Controlling Switches from both Raspberry Pi relay & Manual [Home Automation] - Raspberry Pi Stack Exchange](https://i.stack.imgur.com/cjDmA.png "wiring - Controlling Switches from both Raspberry Pi relay & Manual [Home Automation] - Raspberry Pi Stack Exchange")
wiring - Controlling Switches from both Raspberry Pi relay & Manual [Home Automation] - Raspberry Pi Stack Exchange
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