RP2040 Pico W Pinout & Connection
We start by connecting the Grow r503 (Pro) to the RP2040 Pico W with the following pinout.
| # |
Sensor Wire Color |
Function |
PIN# |
Pin Name |
| 1 |
$${\color{red}RED \space Wire}$$ |
Power |
36 |
$${\color{red}3V3(OUT)}$$ |
| 2 |
$${\color{black}BLACK \space Wire}$$ |
Ground |
38 |
$${\color{black}GND}$$ |
| 3 |
$${\color{yellow}YELLOW \space Wire}$$ |
TX (Out) |
21 |
$${\color{purple}UART0 \space RX (GPIO 17)}$$ |
| 4 |
$${\color{purple}PURPLE \space Wire}$$ |
RX (In) |
22 |
$${\color{purple}UART0 \space TX (GPIO 16)}$$ |
| 5 |
$${\color{blue}BLUE \space Wire}$$ |
Wakeup |
24 |
$${\color{lightgreen}GPIO 18}$$ |
| 6 |
$${\color{white}WHITE \space Wire}$$ |
Touch |
36 |
$${\color{red}3V3(OUT)}$$ |
Raspberry Pi Model B / W Boards GPIO
| # |
Sensor Wire Color |
Function |
PIN# |
Pin Name |
| 1 |
$${\color{red}RED \space Wire}$$ |
Power |
3V3 |
$${\color{orange}3V3(OUT)}$$ |
| 2 |
$${\color{black}BLACK \space Wire}$$ |
Ground |
GND |
$${\color{black}GND}$$ |
| 3 |
$${\color{yellow}YELLOW \space Wire}$$ |
TX (Out) |
14 |
$${\color{purple}UART \space RX (GPIO 15)}$$ |
| 4 |
$${\color{purple}PURPLE \space Wire}$$ |
RX (In) |
15 |
$${\color{purple}UART \space TX (GPIO 14)}$$ |
| 5 |
$${\color{blue}BLUE \space Wire}$$ |
Wakeup |
4 |
$${\color{yellow}GPIO 4}$$ |
| 6 |
$${\color{white}WHITE \space Wire}$$ |
Touch |
3V3 |
$${\color{red}3V3(OUT)}$$ |
