DualMCU ONE Getting Started

Note

The information in this file is subject to change without notice to improve or correct the documentation as needed.

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You are reading the most recent version available.

This guide is designed to help developers familiarize themselves with the DualMCU ONE development board and its capabilities. Whether you’re a beginner or an experienced developer, this guide will provide you with the knowledge and resources you need to start developing with the DualMCU ONE.

Warning

The DualMCU ONE uses 3.3V logic levels, unlike the Arduino Uno, which operates at 5V. Ensure that any connected shields or peripherals are compatible with 3.3V logic to prevent damage.

Fig. 1 DualMCU ONE board

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Contents

• DualMCU ONE
  • Introduction
  • Squematic of the DualMCU ONE board
  • Pin Mapping
  • RP2040 Microcontroller
  • ESP32 Microcontroller
• Pinout
  • Top View
  • Bottom View
• IDE Setup
  • MicroPython Installation on DualMCU
  • Uelectronics-RP2040-Arduino-Package
  • Uelectronics-ESP32-Arduino-Package
  • Installing via Arduino Boards Manager
• Installing packages - Micropython
  • Unit Electronics Library Development
• General Purpose Input/Output (GPIO) RP2040 & ESP32
  • LEDs ESP32 & RP2040
• Analog to Digital Conversion
  • ADC Definition
  • Distribution of Pins
  • Class ADC
  • Example Definition
  • Reading Values
  • Example Code
• I2C (Inter-Integrated Circuit)
  • I2C Overview
  • Pinout Details
  • Scanning for I2C Devices
  • SSD1306 Display
• Conector JST SH 1.0mm 4 pins
• SPI (Serial Peripheral Interface)
  • SPI Overview
  • Pinout Details
  • SPI between ESP32 & RP2040
  • SDCard SPI
• WS2812 Control
  • Code Example
• Communication
  • Wi-Fi
  • Bluetooth
• Web Server - MicroPython
  • Network basics
  • Web Server - Setup and Usage
  • Extra information
• Arduino Shields Compatibility
  • Multi-purpose Shield for DualMCU ONE
• How to Generate an Error Report
  • Steps to Create an Error Report:

Indices and tables

• Index

• Module Index

• Search Page