Adafruit Feather RP2040

The Adafruit Feather RP2040 is a tiny development board based on the Raspberry Pi RP2040 microcontroller.

Interfaces

Interface	Hardware Supported	TinyGo Support
GPIO	YES	YES
UART	YES	YES
SPI	YES	YES
I2C	YES	YES
ADC	YES	YES
PWM	YES	YES
USBDevice	YES	YES

Pins

Pin	Hardware pin	Alternative names	PWM
D4	GPIO6		PWM3 (channel A)
D5	GPIO7		PWM3 (channel B)
D6	GPIO8	UART1_TX_PIN	PWM4 (channel A)
D9	GPIO9	UART1_RX_PIN	PWM4 (channel B)
D10	GPIO10	SPI1_SCK_PIN	PWM5 (channel A)
D11	GPIO11	SPI1_SDO_PIN	PWM5 (channel B)
D12	GPIO12	SPI1_SDI_PIN	PWM6 (channel A)
D13	GPIO13	LED	PWM6 (channel B)
D24	GPIO24	I2C0_SDA_PIN	PWM4 (channel A)
D25	GPIO25	I2C0_SCL_PIN	PWM4 (channel B)
A0	GPIO26	ADC0	PWM5 (channel A)
A1	GPIO27	ADC1	PWM5 (channel B)
A2	GPIO28	ADC2	PWM6 (channel A)
A3	GPIO29	ADC3	PWM6 (channel B)
I2C1_SDA_PIN	GPIO2	SDA_PIN	PWM1 (channel A)
I2C1_SCL_PIN	GPIO3	SCL_PIN	PWM1 (channel B)
SPI0_SCK_PIN	GPIO18		PWM1 (channel A)
SPI0_SDO_PIN	GPIO19		PWM1 (channel B)
SPI0_SDI_PIN	GPIO20		PWM2 (channel A)
UART0_TX_PIN	GPIO0	UART_TX_PIN	PWM0 (channel A)
UART0_RX_PIN	GPIO1	UART_RX_PIN	PWM0 (channel B)

Machine Package Docs

Documentation for the machine package for the Adafruit Feather RP2040

Flashing

UF2

The Feather RP2040 comes with the UF2 bootloader already installed.

CLI Flashing

• Flash your TinyGo program to the board using this command:

  tinygo flash -target=feather-rp2040 [PATH TO YOUR PROGRAM]
  

• The Feather RP2040 board should restart and then begin running your program.

Troubleshooting

Any troubleshooting tips go here.

Notes

You can use the USB port to the Feather RP2040 as a serial port.