Trouble while controlling lights when switch is off - Raspberry Pi Forums


hello,

i'm not sure if post electrical related question here, have been able control lights using spdt relay , raspberry pi when switch on condition. when power switch on switch board off, unable light bulb. relay fine. please let me know how configure switch in switch board control lights when power switch off.

"... when power switch on switch board off ..."
mean when pi not powered?

perhaps draw diagram of how connected?


raspberrypi



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