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RP2040 Pico W Pinout & Connection

We start by connecting the Grow r503 (Pro) to the RP2040 Pico W with the following pinout. RP2040 Pico W Pinout

# Sensor Wire Color Function PIN# Pin Name
1 R E D   W i r e Power 36 3 V 3 ( O U T )
2 B L A C K   W i r e Ground 38 G N D
3 Y E L L O W   W i r e TX (Out) 21 U A R T 0   R X ( G P I O 17 )
4 P U R P L E   W i r e RX (In) 22 U A R T 0   T X ( G P I O 16 )
5 B L U E   W i r e Wakeup 24 G P I O 18
6 W H I T E   W i r e Touch 36 3 V 3 ( O U T )

Raspberry Pi Model B / W Boards GPIO

RPi GPIO

# Sensor Wire Color Function PIN# Pin Name
1 R E D   W i r e Power 3V3 3 V 3 ( O U T )
2 B L A C K   W i r e Ground GND G N D
3 Y E L L O W   W i r e TX (Out) 14 U A R T   R X ( G P I O 15 )
4 P U R P L E   W i r e RX (In) 15 U A R T   T X ( G P I O 14 )
5 B L U E   W i r e Wakeup 4 G P I O 4
6 W H I T E   W i r e Touch 3V3 3 V 3 ( O U T )