Beetle RP2040 Mini Development Board

1. Getting Started

This guide offers a step-by-step process to download and install the Arduino IDE and SDK for Raspberry Pi Pico, including adding JSON links and selecting the development board.

2. Example Code for Arduino-Light LED

The article offers a detailed tutorial on making an onboard LED blink using Arduino, covering hardware and software setup, wiring, and sample code to help beginners learn electronics programming.

3. Example Code for Arduino-Read Digital Pins with External Pull-up

This article outlines the process of reading digital pins using an Arduino with external pull-up resistors, including hardware setup, wiring diagrams, and sample code for effective and stable connections.

4. Example Code for Arduino-Write Digital Pins

This article offers a comprehensive guide on writing digital pins for Arduino, specifically focusing on blinking an LED using DFRobot Beetle RP2040, Arduino IDE, and the Raspberry Pi Pico SDK. It includes detailed hardware and software preparation, wiring diagrams, and sample code for effective learning and application.

5. Example Code for Arduino-Read Digital Pins with Internal Pull-up

This article provides an example code for reading digital pins on Arduino using internal pull-up resistors, detailing hardware setup, software configuration, and the benefits of internal pull-up in simplifying circuit design.

6. Example Code for Arduino-Read Analog Pins

This article provides a comprehensive guide with example code for using Arduino to read analog pins on a DFRobot Beetle RP2040, detailing hardware and software setup, wiring instructions, and offering a sample code for monitoring potentiometer values in real-time through the serial monitor.

7. Example Code for Arduino-UART Communication

This guide offers an example code for Arduino-UART communication, detailing hardware and software preparation, wiring setup, sample code execution, and result observation for reading environmental sensor data using DFRobot Beetle RP2040.

8. Example Code for Arduino-Servo Control

This article offers a detailed guide to controlling servo motors with Arduino, showcasing hardware and software setup, a wiring diagram, and sample code for the DFRobot Beetle RP2040. The servo moves between 0° and 180° using the Arduino Servo Library.

9. Example Code for Arduino-PWM Output

This article guides users on creating a breathing LED effect using Arduino PWM on the DFRobot Beetle RP2040, detailing hardware and software setup, sample code, and PWM functionality.

10. Example Code for Arduino-I2C Communication

This article offers a comprehensive guide to implementing Arduino-I2C communication with the AHT20 sensor, using the DFRobot Beetle RP2040. It covers hardware and software preparation, wiring instructions, and sample code for reading temperature and humidity data from the sensor via the serial port.

11. Example Code for Arduino-SPI Communication

The article explains how to establish SPI communication between an Arduino board and a TFT LCD display, using the DFRobot Beetle RP2040. It includes hardware setup, software preparation, wiring instructions, and sample code to display the text 'DFRobot' on the screen.