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--- projects:farmrobot:batteriemanagement [2021/03/21 18:56]
jonas [Web Interface to view and graph the data]
+++ projects:farmrobot:batteriemanagement [2021/03/21 19:02] (current)
jonas [Modbus Python and Watson-IoT MQTT publish on Raspberry Pi 4B]
@@ Line 104: / Line 104: @@
 ===== Modbus Python and Watson-IoT MQTT publish on Raspberry Pi 4B =====
-Using FTDI USB adapter which can be interfaced on /dev/ttyUSB0
+Using FTDI USB adapter which can be interfaced on /dev/ttyUSB0\\
+Adding the current user to the "dialout" user group to access serial interfaces without root permissions:
     sudo adduser pi dialout
+Installing prerequisites:\\
     sudo apt install python3
     wget https://bootstrap.pypa.io/get-pip.py
     sudo python3 get-pip.py
-    sudo pip install pymodbus
+    sudo pip install pymodbus\\
-\\
+ModbusSerialClient is the Modbus client that is used to interface the registers on the BMS:
     from pymodbus.client.sync import ModbusSerialClient
-Using IBM Watson IoT platform
+=== IBM Watson IoT platform ===
 Creating a new device and gathering credentials: https://q74k3e.internetofthings.ibmcloud.com/dashboard/devices/browse/
@@ Line 129: / Line 131: @@
     pip install wiotp-sdk
-Modbus communication implementation based on: https://github.com/clarkni5/tinybms/blob/master/python/tinybms.py
+Modbus communication implementation based on: https://github.com/clarkni5/tinybms/blob/master/python/tinybms.py\\
+=== Code: ===
 <file py pc_bms_modbus_mqtt.py>
 import numpy as np

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