RP2040 Microcontroller Development Board with 1.28-Inch Round Touch LCD

Wiring Connections:

• Power:
  • 5V (Vin): Connect to a 5V power source via USB or external power supply.
  • GND (Ground): Connect to the ground of your power source or other components.
• LCD:
  • Data Pins: Connect to the SPI interface on the RP2040 for communication with the LCD.
  • Touch Pins: Connect to the I2C interface on the RP2040 for touch input.
• I/O Pins:
  • GPIO Pins: General Purpose Input/Output pins (e.g., GPIO0 to GPIO29) for connecting sensors and actuators.
  • Analog Inputs: ADC pins for reading analog signals.
  • UART: TX (Transmit) and RX (Receive) pins for serial communication.
  • I2C/SPI: Pins for I2C and SPI communication with other devices.

Power:

• Operating Voltage: The board operates at 3.3V, regulated from the 5V input.
• Power Consumption:  around 100mA during active operation; lower in sleep modes.
• Power Source: Powered via USB Type-C or directly through the 5V pin.

Input and Output:

• Digital I/O: Multiple GPIO pins for digital input and output tasks.
• Analog Input: ADC pins available for reading analog voltages from sensors.
• LCD: Displays information and can be interacted with through touch.
• UART Communication: For serial data transfer with other devices.
• I2C/SPI Communication: Support for connecting with various peripherals.

Physical Characteristics:

• Dimensions: Compact size of approximately 60mm x 60mm.
• Touchscreen: 1.28-inch round LCD with 240 x 240 pixels resolution.
• Mounting Holes: Includes holes for easy mounting onto enclosures or surfaces.
• Connector Type: USB Type-C for power and programming.

Technical Specifications:

• Processor: Dual-core ARM Cortex-M0+ running up to 133 MHz.
• Memory: 8MB Flash memory and 264KB RAM.
• Wireless Communication: Not included (use external modules for Wi-Fi/Bluetooth if needed).
• LCD: 1.28-inch round touchscreen with 240 x 240 pixels resolution.
• GPIO Count: 30 GPIO pins available for various functions.
• Analog Input Channels: Multiple ADC channels for sensor input.
• Clock Speed: Processor operates at up to 133 MHz.

Additional Features:

• Onboard LED: For status indication and basic debugging.
• Development Environment: Compatible with MicroPython, C/C++, and other development tools.
• Touchscreen Support: Built-in touch interface for interactive displays and control.

How to Use:

1. Power Connection:
   • Connect Power: Use a USB Type-C cable to connect the board to a 5V power source or apply 5V directly to the Vin pin.
2. Programming:
   • Install Software: Download and install Thonny (for MicroPython) or use other development tools like VSCode with the necessary extensions.
   • Select Board: In Thonny, choose “RP2040” or configure your development environment for the RP2040 microcontroller.
   • Write Code: Develop your code for controlling the LCD, handling inputs, or other tasks.
   • Upload Code: Connect the board via USB Type-C and upload your code using the selected development environment.
3. Connecting Peripherals:
   • Sensors/Actuators: Connect to GPIO pins for digital I/O tasks.
   • Analog Sensors: Attach sensors to ADC pins to read analog signals.
   • LCD: Use SPI and I2C pins to interface with the 1.28-inch round touch LCD.
   • Serial Communication: Use TX and RX pins for serial communication with other devices.
   • I2C/SPI Devices: Connect devices using I2C or SPI pins for data transfer.
4. Touchscreen Interaction:
   • Configure Touchscreen: Set up the touchscreen in your code to detect touch events and interact with the display.
   • Display Content: Write code to show information, graphics, or user interfaces on the 1.28-inch LCD.
5. Testing and Debugging:
   • Serial Monitor: Use the Serial Monitor in your development environment to view outputs and debug information.
   • Verify Functionality: Test connected peripherals and touchscreen functionality to ensure everything operates correctly.
6. Integration:
   • Embed in Projects: Utilize the board for various applications such as interactive displays, IoT devices, or control systems requiring a compact touchscreen interface.

The RP2040 Microcontroller Development Board with a 1.28-inch round touch LCD is a versatile tool for developing interactive and embedded applications. With its dual-core processor and high-resolution touchscreen, it provides a powerful platform for a range of projects.