Edge101 Industrial ESP32 IoT Programmable Controller

1. Installation diagram

The product supports two installation methods: mounting ears and DIN rail mounting, as shown in the diagrams below.

2. Application Layer Protocol

This article introduces the MQTT protocol for IoT applications and demonstrates how to use an ESP32 to connect to an MQTT server, publish messages, and control a light through subscribed messages. It also provides example code for WiFi setup, MQTT configuration, and message handling.

3. 4G

This article guides readers on configuring 4G modules on the Edge101 mainboard, explaining the PCIe pinout and providing example code for network time synchronization using an ESP32 controller.

4. Ethernet

This article explains how to programmatically switch between Ethernet and WiFi networks using an ESP32 IoT controller, covering hardware requirements, code examples, and network testing procedures to ensure seamless connectivity and efficient data communication.

5. WiFi

The article provides a comprehensive guide on using ESP32 for WiFi network scanning and configuration, detailing both synchronous and asynchronous scanning methods, as well as how to configure WiFi via a web page for easy and flexible network connections.

6. Bluetooth

The article details the Edge101 mainboard's support for dual-mode Bluetooth, including Classic Bluetooth for serial communication and Bluetooth Low Energy (BLE) for dynamic device name changes. It features example codes using ESP32 IoT Programmable Controller, guiding users through setup, connectivity, and practical applications for enhanced IoT functionality.

7. CANBUS

The article provides a comprehensive guide on using the Edge101 development board for CAN Bus communication, covering both data reception and transmission, along with example codes and hardware setup requirements.

8. RS485

The article provides an example of RS485 serial data transmission using AccessPort software and an ESP32 IoT Programmable Controller, demonstrating how to send and receive data with a USB/RS485/TTL protocol converter.

9. Watchdog Timer

This article details the implementation of a Task Watchdog Timer (TWDT) using an ESP32 IoT Programmable Controller, highlighting its significance in maintaining system stability by resetting at intervals and demonstrating the consequences of overflow.

10. Timer

The article explains how to use a hardware timer on ESP32, detailing a RepeatTimer example that demonstrates setting up the timer, triggering it every second, and stopping it with a button on pin 38.

11. SD Storage

This article offers a detailed guide on performing various operations on an SD card using an ESP32 controller, including mounting, reading, writing, and file management.

12. SPI

The article provides a step-by-step guide on connecting a 2.0-inch TFT LCD screen to an Edge101 board via the SPI interface, using the DFRobot_GDL library. It includes hardware connection instructions and sample Arduino code to create progress bars on the display.

13. I2C

This article introduces I²C communication on the Edge101 board and explains how to use its I²C ports in master or slave mode. It also demonstrates scanning I²C devices with an ESP32 and handling communication.

14. Serial Ports

This article explores the three serial ports on the Edge101 board, detailing their functions for USB, wireless modules, and RS485 interface, along with a practical code example for reading digital input signals.

15. ADC

This article delves into the use of a 12-bit SAR ADC on the Edge101 motherboard with ESP32, featuring practical examples and code for effectively sampling analog input channels to measure voltage.

16. PWM

This article explores the use of Pulse Width Modulation (PWM) to adjust LED brightness, providing a step-by-step guide and sample code for creating dynamic lighting effects on the Edge101 board using an ESP32 IoT Programmable Controller.

17. 40PIN GPIOs and BLINK-LED

The article details the 40P GPIO interface on Edge101, explaining its configurations, capabilities, and multiplexing functions, and provides practical guidance on controlling an onboard LED using sample code.

18. Configuration of the Arduino Development Environment

This article explains how to set up the Arduino IDE for the Edge101 board, including installing the board package, configuring settings, and preparing the environment for code upload and development.