~/fusion-automate $ ./engineering-blog
Project write-ups from the Fusion Automate workshop — code, wiring and lessons learned included.
[ most read ]
## Introduction: In the realm of IoT, connectivity is key. But what if you find yourself in a scenario where conventional internet options like Wi-Fi or Ethernet are unavailable? E…
An SMTP E-Mail Profile is a crucial component in Ignition SCADA used for sending emails, including scheduled reports to multiple users and alarm notifications.
## In today's interconnected world, the ability to access devices and services remotely has become increasingly valuable. Whether it's monitoring your home security system or contr…
[ archive ]
An SMTP E-Mail Profile is a crucial component in Ignition SCADA used for sending emails, including scheduled reports to multiple users and alarm notifications.
Send SMS messages from an A9G GSM module using a Python script and AT commands over serial. Full Python code, wiring notes and Windows setup steps.
## Introduction: In the realm of IoT, connectivity is key. But what if you find yourself in a scenario where conventional internet options like Wi-Fi or Ethernet are unavailable? E…
Place calls from an A9G GSM/GPRS/GPS module with Python and AT commands over a USB-to-serial connection. Complete Python script plus setup walkthrough.
Send SMS from a Raspberry Pi Pico W over MicroPython by wiring an A9G GSM board and issuing AT commands. Wiring, MicroPython code and serial setup.
Test SMS on an A9G GSM board without writing code — send AT commands straight from the Ai-Thinker serial tool. Command list and expected responses.
Dial a phone number from a Raspberry Pi Pico W using MicroPython and an A9G GSM board. Covers the UART wiring, AT command flow and MicroPython code.
Dial numbers from an A9G GSM board using the Ai-Thinker serial tool and AT commands — no code needed. The exact command sequence and what to expect.
Subscribe an A9G GSM board to MQTT topics and receive messages over the cellular network. Broker setup, subscription commands and handling incoming data.
Connect an A9G GSM board to an MQTT broker over the cellular network and publish messages. Firmware flashing, configuration and the full command flow.
Flash the factory AT command firmware onto an A9G GSM/GPRS/GPS board so it responds to AT commands over serial. Tools, steps and verification.
Turn a NodeMCU ESP8266 into a Modbus TCP server that exposes DHT11 temperature and humidity readings. Arduino IDE code plus Modscan client testing.
Restore the factory AT firmware on a Seeed Studio XIAO ESP32C3 step by step. Which files to flash, which tool to use and how to confirm it worked.
Protect a Node-RED flow editor with hashed passwords using node-red admin hash-pw. Where to edit settings.js and how to lock down the admin UI.
Add password protection to the Node-RED dashboard: hash a password with node-red admin hash-pw and update settings.js. Step-by-step with the full config.
Publish DHT11 temperature and humidity from a XIAO ESP32C3 to its built-in Modbus TCP server, then read the registers in a Modbus client. Full sketch.
Expose holding registers on a Seeed Studio XIAO ESP32C3 by building a Modbus TCP/IP server in the Arduino IDE. Full sketch and client verification.
Switch the digital pins of a NodeMCU ESP8266 on and off through Modbus TCP. Arduino sketch with a holding-register API plus Modscan testing steps.
Read a DHT11 sensor on a Raspberry Pi Pico W with MicroPython and publish temperature and humidity to an MQTT broker. Complete code and broker setup.
Read the Raspberry Pi Pico W's on-board temperature sensor with MicroPython and stream readings to an MQTT broker. Sensor maths and publish code.
Install MicroPython on a Seeed Studio XIAO ESP32C3 with esptool and Thonny. Erasing flash, picking the right firmware and verifying the REPL.
Build a Modbus TCP/IP server on a NodeMCU ESP8266 with the Arduino IDE and the ModbusIP_ESP8266 library. Register setup, code and client testing.
Use the Raspberry Pi Pico W's on-board temperature sensor with MicroPython: the ADC maths, the conversion code and a looping readout script.
Install a MicroPython Modbus library on a Raspberry Pi Pico W using Thonny — download the library, connect the board and test the installation.
Read holding registers from a Modbus TCP server with a Seeed Studio XIAO ESP32C3 acting as the client. Arduino sketch, register maps and client testing.
## In today's interconnected world, the ability to access devices and services remotely has become increasingly valuable. Whether it's monitoring your home security system or contr…
Read input registers over Modbus RTU from a Raspberry Pi Pico W with MicroPython. Wiring, library setup and a working read script for sensor data.
Read holding registers from a Modbus RTU device with a Raspberry Pi Pico W running MicroPython. UART wiring, the Modbus library and example reads.
## Setting up and Configuring ACL in Mosquitto MQTT Broker MQTT is a widely used communication protocol in the IoT domain. The Mosquitto MQTT broker is an open-source broker that c…
## Publish Tag Value to from Ignition SCADA to MQTT Broker on Tag Change If you are using Ignition SCADA and want to publish tag values to an MQTT broker on Tag Change, then you've…
### Introduction In the ever-evolving landscape of Industrial Internet of Things (IIoT) and Industrial Automation, efficient data communication is crucial. Today, we'll explore how…
In the rapidly evolving world of IoT (Internet of Things) and IIoT (Industrial Internet of Things), efficient communication between devices of various protocols is crucial. One com…
In the realm of IoT (Internet of Things) and IIoT (Industrial Internet of Things), the ability to collect and store data efficiently is paramount. One common challenge faced by pro…
## How to Publish DHT11 Sensor Data from NodeMCU to Mosquitto MQTT Broker > Introduction The Internet of Things (IoT) has become an integral part of our lives, with billions of dev…
## How to publish DHT11 sensor data from NodMCU to Modbus TCP Server and read it in Ignition SCADA > Introduction Internet of Things (IoT) is a rapidly growing field with a wide va…
## How to Publish DHT11 Sensor Data from Arduino Uno to OPC-DA and Read it using Matrikon OPC-DA Explorer > Introduction The DHT11 sensor is a popular temperature and humidity sens…
## Netsh Port Forwarding from LAN IP(192.168.xx.xx)-Port(1883) to Local IP(127.0.0.1)-Port(1883) for Mosquitto MQTT Broker > Introduction Port forwarding is a technique of redirect…
Put it into practice — free engineering tools, instructor-led training and 3D-printed hardware from the shop.
Explore the toolsAn SMTP E-Mail Profile is a crucial component in Ignition SCADA used for sending emails, including scheduled reports to multiple users and alarm notifications.
Send SMS messages from an A9G GSM module using a Python script and AT commands over serial. Full Python code, wiring notes and Windows setup steps.
## Introduction: In the realm of IoT, connectivity is key. But what if you find yourself in a scenario where conventional internet options like Wi-Fi or Ethernet are unavailable? E…
Place calls from an A9G GSM/GPRS/GPS module with Python and AT commands over a USB-to-serial connection. Complete Python script plus setup walkthrough.
Send SMS from a Raspberry Pi Pico W over MicroPython by wiring an A9G GSM board and issuing AT commands. Wiring, MicroPython code and serial setup.
Test SMS on an A9G GSM board without writing code — send AT commands straight from the Ai-Thinker serial tool. Command list and expected responses.
Dial a phone number from a Raspberry Pi Pico W using MicroPython and an A9G GSM board. Covers the UART wiring, AT command flow and MicroPython code.
Dial numbers from an A9G GSM board using the Ai-Thinker serial tool and AT commands — no code needed. The exact command sequence and what to expect.
Subscribe an A9G GSM board to MQTT topics and receive messages over the cellular network. Broker setup, subscription commands and handling incoming data.
Connect an A9G GSM board to an MQTT broker over the cellular network and publish messages. Firmware flashing, configuration and the full command flow.
Flash the factory AT command firmware onto an A9G GSM/GPRS/GPS board so it responds to AT commands over serial. Tools, steps and verification.
Turn a NodeMCU ESP8266 into a Modbus TCP server that exposes DHT11 temperature and humidity readings. Arduino IDE code plus Modscan client testing.
Restore the factory AT firmware on a Seeed Studio XIAO ESP32C3 step by step. Which files to flash, which tool to use and how to confirm it worked.
Protect a Node-RED flow editor with hashed passwords using node-red admin hash-pw. Where to edit settings.js and how to lock down the admin UI.
Add password protection to the Node-RED dashboard: hash a password with node-red admin hash-pw and update settings.js. Step-by-step with the full config.
Publish DHT11 temperature and humidity from a XIAO ESP32C3 to its built-in Modbus TCP server, then read the registers in a Modbus client. Full sketch.
Expose holding registers on a Seeed Studio XIAO ESP32C3 by building a Modbus TCP/IP server in the Arduino IDE. Full sketch and client verification.
Switch the digital pins of a NodeMCU ESP8266 on and off through Modbus TCP. Arduino sketch with a holding-register API plus Modscan testing steps.
Read a DHT11 sensor on a Raspberry Pi Pico W with MicroPython and publish temperature and humidity to an MQTT broker. Complete code and broker setup.
Read the Raspberry Pi Pico W's on-board temperature sensor with MicroPython and stream readings to an MQTT broker. Sensor maths and publish code.
Install MicroPython on a Seeed Studio XIAO ESP32C3 with esptool and Thonny. Erasing flash, picking the right firmware and verifying the REPL.
Build a Modbus TCP/IP server on a NodeMCU ESP8266 with the Arduino IDE and the ModbusIP_ESP8266 library. Register setup, code and client testing.
Use the Raspberry Pi Pico W's on-board temperature sensor with MicroPython: the ADC maths, the conversion code and a looping readout script.
Install a MicroPython Modbus library on a Raspberry Pi Pico W using Thonny — download the library, connect the board and test the installation.
Read holding registers from a Modbus TCP server with a Seeed Studio XIAO ESP32C3 acting as the client. Arduino sketch, register maps and client testing.
## In today's interconnected world, the ability to access devices and services remotely has become increasingly valuable. Whether it's monitoring your home security system or contr…
Read input registers over Modbus RTU from a Raspberry Pi Pico W with MicroPython. Wiring, library setup and a working read script for sensor data.
Read holding registers from a Modbus RTU device with a Raspberry Pi Pico W running MicroPython. UART wiring, the Modbus library and example reads.
## Setting up and Configuring ACL in Mosquitto MQTT Broker MQTT is a widely used communication protocol in the IoT domain. The Mosquitto MQTT broker is an open-source broker that c…
## Publish Tag Value to from Ignition SCADA to MQTT Broker on Tag Change If you are using Ignition SCADA and want to publish tag values to an MQTT broker on Tag Change, then you've…
### Introduction In the ever-evolving landscape of Industrial Internet of Things (IIoT) and Industrial Automation, efficient data communication is crucial. Today, we'll explore how…
In the rapidly evolving world of IoT (Internet of Things) and IIoT (Industrial Internet of Things), efficient communication between devices of various protocols is crucial. One com…
In the realm of IoT (Internet of Things) and IIoT (Industrial Internet of Things), the ability to collect and store data efficiently is paramount. One common challenge faced by pro…
## How to Publish DHT11 Sensor Data from NodeMCU to Mosquitto MQTT Broker > Introduction The Internet of Things (IoT) has become an integral part of our lives, with billions of dev…
## How to publish DHT11 sensor data from NodMCU to Modbus TCP Server and read it in Ignition SCADA > Introduction Internet of Things (IoT) is a rapidly growing field with a wide va…
## How to Publish DHT11 Sensor Data from Arduino Uno to OPC-DA and Read it using Matrikon OPC-DA Explorer > Introduction The DHT11 sensor is a popular temperature and humidity sens…
## Netsh Port Forwarding from LAN IP(192.168.xx.xx)-Port(1883) to Local IP(127.0.0.1)-Port(1883) for Mosquitto MQTT Broker > Introduction Port forwarding is a technique of redirect…
