USB C connector used for power, data, firmware updates and code editing.
2-pin JST PH connector for optional LiPoly battery power; the Feather can charge a connected battery via USB.
Common ground for all power and logic.
Positive voltage to/from the 2-pin JST PH LiPoly battery jack.
Positive voltage to/from the USB C connector when USB is connected.
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Feather-format RP2040 board with a built-in mini HDMI DVI output port driven by PIO, enabling digital video output to HDMI monitors. Video only, no audio. Includes STEMMA QT, LiPo charger, and standard Feather pinout.
3.3V regulator enable pin; pulled up, connect to ground to disable the 3.3V regulator.
Output from the 3.3V regulator.
ADC0 analogue input and digital GPIO; also SPI1 SCK, I2C1 SDA and PWM5 A.
ADC1 analogue input and digital GPIO; also SPI1 MOSI, I2C1 SCL and PWM5 B.
ADC2 analogue input and digital GPIO; also SPI1 MISO, I2C1 SDA and PWM6 A.
ADC3 analogue input and digital GPIO; also SPI1 CS, I2C0 SCL and PWM6 B.
Main I2C1 clock pin; also SPI0 MOSI and PWM1 B.
Main I2C1 data pin; also SPI0 SCK and PWM1 A.
Main SPI1 SCK pin; also I2C1 SDA and PWM7 A.
Main SPI1 MOSI pin; also I2C1 SCL and PWM7 B.
Main SPI1 MISO pin; also UART1 TX, I2C0 SDA and PWM4 A.
Main UART0 RX pin; also I2C0 SDA, SPI0 CS and PWM0 B.
Main UART0 TX pin; also I2C0 SCL, SPI0 MISO and PWM0 A.
DVI clock negative signal, available as board.CKN / PIN_CKN.
DVI clock positive signal, available as board.CKP / PIN_CKP.
DVI data 0 negative signal, available as board.D0N / PIN_D0N.
DVI data 0 positive signal, available as board.D0P / PIN_D0P.
DVI data 1 negative signal, available as board.D1N / PIN_D1N.
DVI data 1 positive signal, available as board.D1P / PIN_D1P.
DVI data 2 negative signal, available as board.D2N / PIN_D2N.
DVI data 2 positive signal, available as board.D2P / PIN_D2P.
DVI connector I2C clock connected to Feather SCL through a safe level-shifter for display EDID/EEPROM.
DVI connector I2C data connected to Feather SDA through a safe level-shifter for display EDID/EEPROM.
Hot Plug Detect pin broken out to a through-hole pad; readable to know when a display is connected.
Consumer Electronic Control one-wire bidirectional serial bus, connected to pin 14 on the DVI/HDMI connector.
Reserved future HDMI specification pin, connected to pin 17 on the DVI/HDMI connector.
STEMMA QT connector uses SCL and SDA for I2C on the RP2040 I2C1 peripheral.
Reset pin; tie to ground manually to reset the board.
Boot button available as board.BOOT / PIN_BUTTON and used to enter the bootloader.
Status NeoPixel LED on GPIO4, powered by the 3.3V supply.
Red LED controllable as board.LED / PIN_LED.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| USB C connector | power data connector | USB C connector used for power, data, firmware updates and code editing. | USB positive voltage is exposed on the USB pin when USB is connected. | |
| LiPoly Battery connector | power connector | 2-pin JST PH connector for optional LiPoly battery power; the Feather can charge a connected battery via USB. | Battery positive is exposed on BAT. | |
| GND | ground | Common ground for all power and logic. | 0V common ground. | |
| BAT | power | Positive voltage to/from the 2-pin JST PH LiPoly battery jack. | LiPoly battery positive voltage. | |
| USB | power | Positive voltage to/from the USB C connector when USB is connected. | USB positive voltage. | |
| EN | control | 3.3V regulator enable pin; pulled up, connect to ground to disable the 3.3V regulator. | 3.3V regulator enable logic. | |
| 3.3V | power | Output from the 3.3V regulator. | 3.3V output, 500mA peak per Adafruit Learn. | |
| A0 / GPIO26 | analog gpio | ADC0 analogue input and digital GPIO; also SPI1 SCK, I2C1 SDA and PWM5 A. | ||
| A1 / GPIO27 | analog gpio | ADC1 analogue input and digital GPIO; also SPI1 MOSI, I2C1 SCL and PWM5 B. | ||
| A2 / GPIO28 | analog gpio | ADC2 analogue input and digital GPIO; also SPI1 MISO, I2C1 SDA and PWM6 A. | ||
| A3 / GPIO29 | analog gpio | ADC3 analogue input and digital GPIO; also SPI1 CS, I2C0 SCL and PWM6 B. | ||
| SCL / GPIO3 | i2c gpio | Main I2C1 clock pin; also SPI0 MOSI and PWM1 B. | ||
| SDA / GPIO2 | i2c gpio | Main I2C1 data pin; also SPI0 SCK and PWM1 A. | ||
| SCK / GPIO14 | spi gpio | Main SPI1 SCK pin; also I2C1 SDA and PWM7 A. | ||
| MO / GPIO15 | spi gpio | Main SPI1 MOSI pin; also I2C1 SCL and PWM7 B. | ||
| MI / GPIO8 | spi gpio | Main SPI1 MISO pin; also UART1 TX, I2C0 SDA and PWM4 A. | ||
| RX / GPIO1 | uart gpio | Main UART0 RX pin; also I2C0 SDA, SPI0 CS and PWM0 B. | ||
| TX / GPIO0 | uart gpio | Main UART0 TX pin; also I2C0 SCL, SPI0 MISO and PWM0 A. | ||
| DVI CKN | video signal | DVI clock negative signal, available as board.CKN / PIN_CKN. | ||
| DVI CKP | video signal | DVI clock positive signal, available as board.CKP / PIN_CKP. | ||
| DVI D0N | video signal | DVI data 0 negative signal, available as board.D0N / PIN_D0N. | ||
| DVI D0P | video signal | DVI data 0 positive signal, available as board.D0P / PIN_D0P. | ||
| DVI D1N | video signal | DVI data 1 negative signal, available as board.D1N / PIN_D1N. | ||
| DVI D1P | video signal | DVI data 1 positive signal, available as board.D1P / PIN_D1P. | ||
| DVI D2N | video signal | DVI data 2 negative signal, available as board.D2N / PIN_D2N. | ||
| DVI D2P | video signal | DVI data 2 positive signal, available as board.D2P / PIN_D2P. | ||
| DVI SCL | i2c video connector | DVI connector I2C clock connected to Feather SCL through a safe level-shifter for display EDID/EEPROM. | ||
| DVI SDA | i2c video connector | DVI connector I2C data connected to Feather SDA through a safe level-shifter for display EDID/EEPROM. | ||
| HPD | video control | Hot Plug Detect pin broken out to a through-hole pad; readable to know when a display is connected. | ||
| CEC | video control | Consumer Electronic Control one-wire bidirectional serial bus, connected to pin 14 on the DVI/HDMI connector. | ||
| UTIL | video reserved | Reserved future HDMI specification pin, connected to pin 17 on the DVI/HDMI connector. | ||
| STEMMA QT | i2c connector | STEMMA QT connector uses SCL and SDA for I2C on the RP2040 I2C1 peripheral. | ||
| RST | reset | Reset pin; tie to ground manually to reset the board. | ||
| BOOT button | control | Boot button available as board.BOOT / PIN_BUTTON and used to enter the bootloader. | ||
| NeoPixel / GPIO4 | indicator led | Status NeoPixel LED on GPIO4, powered by the 3.3V supply. | Powered by 3.3V supply. | |
| D13 LED | indicator led | Red LED controllable as board.LED / PIN_LED. |