Mini sensor online board

Zipped Arduino sketch: Download sketch

Required library (with changes): EtherCard

Connection:

  • Ethernet module to ICSP on Arduino (MOSI – SI, MISO – SO, SCK – SCK, GND-GND), pin CS to pin 8, VCC to 3,3V
  • DHT11 output to pin 12
  • MQ7 analog output to pin A0
  • Photoresistor between VCC and pin A1, whichis pulled down to ground by 1KΩ resistor
  • Ethernet module connnected to router

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