LAN DS18B20 WEB Temperature Monitor 1 meter Cable
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SDM120 Modbus 220/230V Single Phase Energy Meter, for Domoticz, ESP8266, Arduino

  SDM120 Modbus Single Phase  Multifunction Energy Meter Price: EUR 30.00 https://www.ebay.co.uk/itm/273500228608   • Class 1.0 Accuracy • 45A direct connect load • RS485 Port modbus RTU • 2 Pulse Output • 3 Mode measruements • 12 Electrical parameters • 17.5 mm width 1 modual • 35mm Din rail Mounted Specifications Voltage AC (Un) 230V . . .

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KMtronic LAN WEB 8 Channel Relay board