Pico-CAN-A

Pico CAN A

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Website International: Waveshare website Chinese: 官方中文站点

Onboard Interfaces

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CAN Bus Module For Raspberry Pi Pico, Enabling Long-Range Communication Through UART.

Features

• Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series.
• Incorporates E810-TTL-CAN01 module, UART to CAN bus conversion.
• Three conversion methods: transparent conversion, transparent conversion with identification, and protocol mode conversion.
• Provide online resources and manuals (example demos such as Raspberry Pi Pico C/C++ and MicroPython).

Specifications

• Operating voltage: 3.3V
• CAN transceiver: E810-TTL-CAN01
• Communication bus: UART
• Baudrate: 300~921,600 bps
• Dimension: 58 × 25mm

Pinouts

Dimension

Pico Quick Start

Download Firmware

• MicroPython Firmware Download

• C_Blink Firmware Download

Hardware connection

Please take care of the direction when you connect Pico, an USB port is printed to indicate. You can also check the pin of Pico and the LCD board when connecting.
You can connect the display according to the table.

CAN Board	Pico	Description
VCC	VSYS	5V Power Input
GND	GND	GND
GP0	TXD0	UART TX (default)
GP1	RXD0	UART RX (default)
GP2	CFG	CAN mode switch
GP3	RESET	CAN module reset
GP4	TXD0	UART TX (optional)
GP5	RXD0	UART RX (optional)

Setup environment

Please refer to Raspberry Pi's guide: https://www.raspberrypi.org/documentation/pico/getting-started/

Download Demo codes

sudo apt-get install p7zip-full
cd ~
sudo wget  https://files.waveshare.com/upload/d/d8/Pico-CAN-A-Code.7z
7z x Pico_Pico-CAN-A-Code.7z -o./Pico-CAN-A-Code.7z
cd ~/Pico-CAN-A-Code

Run the Demo codes

This guide is based on Raspberry Pi.

C examples

To be continued...

Python codes

Use in Windows

• 1. Press and hold the BOOTSET button on the Pico board, connect the Pico to the USB port of the computer through the Micro USB cable, and release the button after the computer recognizes a removable hard disk (RPI-RP2).
  
• 2. Copy the rp2-pico-20210418-v1.15.uf2 file in the python directory to the recognized removable disk (RPI-RP2).
  
• 3. Open Thonny IDE (Note: Use the latest version of Thonny, otherwise there is no Pico support package, the latest version under Windows is v3.3.3).
  
• 4. Click Tools -> Settings -> Interpreter, and select Pico and the corresponding port as shown in the figure.
  

• 5. File -> Open -> the corresponding .py file, click to run, as shown in the following figure:

This demo provides a simple program...

Document

• Schematic

Examples

• Demo codes

Support

If you require technical support, please go to the Support page and open a ticket.