Superbony-the-Cat / 64xRelays__8xPCF8574__4xWireBus__1xArduino

64 x Relais + 8 x pcf8574 + 4 x Wire Bus + 1 Arduino

64xRelays__8xPCF8574__4xWireBus__1xArduino

64 x Relays + 8 x pcf8574 + 4 x Wire Bus + 1 Arduino

https://youtu.be/vxyqLM3YBMc