LAN DS18B20 WEB Temperature Monitor 1 meter Cable
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Arduino code: Read Voltage from Eastron SDM230 Modbus Smart Energy Meter with Modbus Protocol

  Read Voltage from Eastron SDM230 Modbus Smart Energy Meter with Modbus Protocol using Arduino     Used: Eastron SDM230 Modbus Smart Energy Meter with Modbus Protocol: https://sigma-shop.com/sdm230-modbus-energy-meter.html     KMtronic DINO Board (Arduino compatible with RS485 interface): https://sigma-shop.com/web-internet-ethernet-controlled-relay-board-arduino-compatible-rs485-usb.html       Arduino code NOTE:    RS485 Control pin: 3,     SPEED 2400 /* *** KMTRONIC . . .

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KMtronic RS485 8 Channel ModBus RTU Relay Controller

  The general purpose of RS-485 Eight Channel Relay Controller. Control devices using your PC.   Features:  Board number manually through a DIP Switch placed near RS485 connector.   Dimensions: KMTronic_8Relay_Dimension.pdf Required power: 12VDC / minimum 600 mA. Model: R4S8CRMB Specifications: Relays have Normally Open (NO) and Normally Closed (NC) Contacts each capable of switching . . .

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PID FUNCTION WITH HMI ANDROID

  Overview The aim of this library is to let users to leverage the power of modbus RTU protocol through RS485 on Android devices, specifically on the Ltouch multi-touch panels (picture on the right) and development boards.   http://www.biemmeitalia.net/bmstore1x/index.php?main_page=product_info&cPath=2&products_id=24%20target=   http://www.biemmeitalia.net/libraries/       . . .

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KMtronic LAN WEB 8 Channel Relay board