RP2040 IO4

Setup

1. Make sure you have GNU Arm Embedded Toolchain installed
2. Clone this repo
3. Run git submodule update --init --recursive
4. plz ref to pico official doc page 52 (I am using CLion)

Usage

HELLO+Left1: test && service

HELLO+left2: coin

HELLO+right3: enter bootloader

Pins

It is recommended to check the pico official documentation for pin definitions.

Card Reader (PN532/HSU mode): GP0/GP1

HELLO: Multifunction Key

BTN-LIGHT(WS2812): Button Light. Order: Right123, Left123.

CARD-LIGHT(WS2812): Card reader light

Angle sensor(I2C): For lever. Optional for replacing potentiometers. GP21/GP20. PandAuto P3022-I2C-CW360-3.3-L

STRIP/GP27/GP19/GP18: No use for now