Tag Archives: relays-were

Old Time Traffic Signal Revived with a Raspberry Pi Controller – Hackaday

Hackaday Old Time Traffic Signal Revived with a Raspberry Pi Controller Hackaday With two signals, everything was doubled, so the new controller used a 16-channel relay board and a Raspberry Pi to run through various demos. To keep induced currents from wreaking havoc, zero-crossing solid state relays were used on the big AC motors …

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Old Time Traffic Signal Revived with a Raspberry Pi Controller – Hackaday

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