VCC-GND YD-RP2040 Board Support Crate

This crate provides board support for the YD-RP2040, a compact RP2040 board from VCC-GND Studio with:

• ✅ USB-C connector
• ✅ Onboard blue LED (GPIO25)
• ✅ WS2812 RGB LED (GPIO23)
• ✅ User button (GPIO24)
• ✅ Reset button & PWR LED
• ✅ Flash sizes: 4MB / 8MB / 16MB

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🚀 Quickstart

#Install -Run the following Cargo command in your project directory:

cargo add vcc-gnd-yd-rp2040

Or add the following line to your Cargo.toml:

Add the crate:

[dependencies]
vcc-gnd-yd-rp2040 = "0.6.0"

Blink Example

// boards/vcc-gnd-yd-rp2040/examples/yd_rp2040_blinky.rs
loop {
    led_pin.set_high().unwrap();
    delay.delay_ms(500);
    led_pin.set_low().unwrap();
    delay.delay_ms(500);
}

Run it:

cargo run --release --example yd_rp2040_blinky

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🔌 Flashing Methods

A. UF2 Bootloader

1. Hold BOOT, tap RESET, then release BOOT.
2. Board appears as USB drive.
3. Run:

cargo install elf2uf2-rs --locked

# .cargo/config.toml
[target.thumbv6m-none-eabi]
runner = "elf2uf2-rs -d"

4. Upload firmware:

cargo run --release --example yd_rp2040_blinky

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B. probe-rs (JTAG/SWD)

cargo install --locked probe-rs-tools

# .cargo/config.toml
[target.thumbv6m-none-eabi]
runner = "probe-rs run --chip RP2040"

Connect debug probe and run:

cargo run --release --example yd_rp2040_blinky

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C. picotool

Rename .elf file if needed:

cp target/.../example.elf
picotool load example.elf

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🌈 Available Examples

Example	Description
yd_rp2040_blinky	Blink onboard blue LED
yd_rp2040_neopixel_rainbow	Rainbow animation on RGB LED

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📸 Hardware Images

RGB LED & Button	Board Diagram

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📚 Docs

• RP2040 Datasheet
• Board Schematic (PDF)

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MIT OR Apache-2.0 • Crate • Repo