LAN DS18B20 WEB Temperature Monitor 1 meter Cable
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Raspberry Pi: Reading ModBus data from Huawei inverter SUN 2000

PHP file: require_once dirname(FILE) . ‘/Phpmodbus/Phpmodbus/ModbusMaster.php’; // Create Modbus object$modbus = new ModbusMaster(“192.168.1.199”, “TCP”); try {// FC 3$recData = $modbus->readMultipleRegisters(1, 32262, 1); // PV1 voltage }catch (Exception $e) {// Print error information if anyecho $modbus;echo $e;exit;} // Print status informationecho “Status: ” . $modbus; // Print read dataecho “Data: “;print_r($recData);echo ““; $data = (256*$recData[0]) + . . .

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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