Pico Eval Board

Pico Eval Board 3.5inch LCD Display Module for Raspberry Pi Pico, 65K Colors, 480 × 320, SPI

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Onboard Interfaces

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Overview

Introduction

• A function evaluation board specially designed for Raspberry Pi Pico.
• Rich onboard resources are available to help users get started and learn quickly.

Features

• Standard Raspberry Pi Pico header supports Raspberry Pi Pico series boards.
• 3.5-inch resistive touch screen, 65K colorful, bringing clear and vivid display effect.
• Standard 3.5mm audio jack, for headphones or other audio peripherals.
• Micro SD card slot through the SDIO interface, faster access speed than SPI interface.
• Integrates battery header and recharge circuit, allowing it to keep running without a wired power supply.
• Other rich resources like a buzzer, photoresistor, and RGB LED.

Specifications

LCD Parameters
Control Chip	ILI9488	Resolution	480 × 320 Pixels
Communication Interface	SPI	Display Size	73.44 × 48.96 mm
Display Panel	IPS	Pixel Size	0.153 × 0.153 mm

ICM20948 Parameters
Accelerometer Characteristics	Resolution: 16 bits Range (optional): ±2, ±4, ±8, ±16g Operating Current: 68.9uA
Gyroscope Characteristics	Resolution: 16 bits Range (optional): ±250, ±500, ±1000, ±2000°/sec Operating Current: 1.23mA
Magnetometer Characteristics	Resolution: 16 bits Range: ±4900µT Operating Current: 90uA

Pinout

Video

Dimension

Pico Quick Start

Firmware Download

• MicroPython Firmware Download

• C_Blink Firmware Download

Text Tutorial

Introduction

• Raspberry Pi Pico

MicroPython Series

• 【MicroPython】 machine.Pin Function
• 【MicroPython】 machine.PWM Function
• 【MicroPython】 machine.ADC Function
• 【MicroPython】 machine.UART Function
• 【MicroPython】 machine.I2C Function
• 【MicroPython】 machine.SPI Function
• 【MicroPython】 rp2.StateMachine

C/C++ Series

For C/C++, it is recommended to use Pico VS Code for development. This is a Microsoft Visual Studio Code extension designed to make it easier for you to create, develop, and debug projects for the Raspberry Pi Pico series development board. Whether you are a beginner or an experienced professional, this tool can help you confidently and easily develop Pico. Below we will introduce how to install and use the extension.

• Official website tutorial: https://www.raspberrypi.com/news/pico-vscode-extension/.
• This tutorial is applicable to Raspberry Pi Pico, Pico2, and our company's RP2040 and RP2350 series development boards.
• The development environment defaults to Windows as an example. For other environments, please refer to the official website tutorial for installation.

Arduino IDE Series

Install Arduino IDE

1. Download the Arduino IDE installation package from Arduino website.
   
2. Just click on "JUST DOWNLOAD".
   
3. Click to install after downloading.
   
4. Note: You will be prompted to install the driver during the installation process, we can click Install.
   

Install Arduino-Pico Core on Arduino IDE

1. Open Arduino IDE, click the File on the left corner and choose "Preferences".
   
2. Add the following link in "Additional boards manager URLs", then click OK.
   

   https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json

   
   Note: If you already have the ESP32 board URL, you can separate the URLs with commas like this:

   https://dl.espressif.com/dl/package_esp32_index.json,https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
   

3. Click on Tools -> Board -> Board Manager -> Search for pico, it shows installed since my computer has already installed it.
   
   

Upload Demo At the First Time

1. Press and hold the BOOTSET button on the Pico board, connect the Pico to the USB port of the computer via the Micro USB cable, and release the button when the computer recognizes a removable hard drive (RPI-RP2).
   
   
2. Download the demo from #Resource, open the D1-LED.ino under arduino\PWM\D1-LED path.
3. Click Tools -> Port, remember the existing COM, do not need to click this COM (different computers show different COM, remember the existing COM on your computer).
   
4. Connect the driver board to the computer with a USB cable, then click Tools -> Ports, select uf2 Board for the first connection, and after the upload is complete, connecting again will result in an additional COM port.
   
5. Click Tools -> Board -> Raspberry Pi Pico/RP2040 -> Raspberry Pi Pico.
   
6. After setting, click the right arrow to upload.
   
   • If you encounter problems during the period, you need to reinstall or replace the Arduino IDE version, uninstall the Arduino IDE clean, after uninstalling the software you need to manually delete all the contents of the folder C:\Users\[name]\AppData\Local\Arduino15 (you need to show the hidden files in order to see it) and then reinstall.

Open Source Demo

• MicroPython Demo (GitHub)
• MicroPython Firmware/Blink Demo (C)
• Official Raspberry Pi C/C++ Demo
• Official Raspberry Pi MicroPython Demo
• Arduino Official C/C++ Demo

User Guides

Raspberry Pi

Download Demo

sudo apt-get install p7zip-full -y
cd ~
wget https://files.waveshare.com/upload/5/5a/Pico-Eval-Board-Code.zip
7z x Pico-Eval-Board-Code.zip -o./Pico-Eval-Board-Code
cd Pico-Eval-Board-Code

1. Log in Raspberry Pi terminal by SSH or press Ctrl + Alt + T to open the terminal when using the screen.
2. Load and decompress the program to the Pico C/C++ SDK directory, if the SDK has not been installed yet, please refer to the tutorial

C

1. Press BOOTSEL on the Pico and connect Pico to the USB of Raspberry Pi by Micro USB cable.
2. Compile and run the c example demo of the Pico-Eval-Board.

cd ./c/

There are corresponding demos in this directory. Different demos correspond to different peripherals and functions.

The following takes 01_GPIO as an example. The GPIO demo will make the LED on the Pico blink every second.

cd ./01_GPIO/build
cmake..
make -j
#If there is no connection or Pico in download mode will report an error
sudo cp ./*.uf2 /media/pi/RPI-RP2/

3. Run the corresponding demo on the Pico.
4. Press the Reset key on the Pico-Eval-Board to reset the Pico. Please press the Bootsel key first and the Run key, and then release the Reset key. By now, Pico enters disk mode without plugging or unplugging.

MicroPython

1. According to the python environment configuration settings, use the Raspberry Pi desktop system.
2. Open the Thonny IDE of the Raspberry Pi system, pull the code file into the IDE, save it to the Pico file system, and click the Run button.

Windows

C

• 【C/C++】 Windows Tutorial 1 - Environment Setting
• 【C/C++】 Windows Tutorial 2 - Create New Project

Download the demo

• Pico-Eval-Board

Use the demo

1. Open the corresponding C program folder.

2. Open it by Vs code and choose the corresponding compile tool.

3. Click "Build" to compile:

4. Press the Reset button on the Pico-Eval-Board to reset the Pico, first press the BOOTSEL button and then the RUN button and then release the Reset button, the Pico can enter the disk mode without plugging and unplugging the Pico, and drag and drop the UF2 file under the build file to the RPI-RP2 drive letter.

5. At this point, Pico starts to run the corresponding program.

MicroPython

• Please refer to Video Tutorial
• Pico-wiki-tutorial

Resource

Document

• Schematic
• LSF0204 Datasheet
• ICM-20948 Datasheet
• ILI9488
• XPT2046_EN
• WS2818
• PCM5101A Datasheet

Driver

• CP210x_USB_TO_UART

Examples

• Demo codes

Development Software

• Zimo221.7z
• Image2Lcd.7z
• Font Library Tutorial
• Image Extraction Tutorial
• Thonny Python IDE (Windows V3.3.3)

Support

Technical Support

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