For an Arduino Uno with ethernet shield: OneWire temp sensors, Wiegand rfid reader, digital+analog button press detection and a relay board subscribed on an MQTT broker.
2 16-channel relay boards on an arduino mega with ethernet shield
Paulf007/arduinoHouse
Arduino Uno with ethernet shield: OneWire temp sensors, Wiegand rfid reader, some simple input detect and a relay board all subscribed on an MQTT broker. Arduino mega with 16 channel relay boards.
ArduinoUnlicense