SunFounder Pironman Manual page 41

6.2.7 Pin Headers
Two right-angle header connectors extend the Raspberry Pi's GPIO, but note that the IR receiver, RGB LED, and fan
occupy some pins. Remove the corresponding jumper caps to utilize these pins for other functions.
Pironman 5
IR Receiver(Optional)
OLED SDA
OLED SCL
FAN(Optional)
RGB(Optional)
RGB(Optional)
RGB(Optional)
6.2. IO Expander
Raspberry Pi 5
GPIO13
SDA
SCL
GPIO6
GPIO10
GPIO12
GPIO21
SunFounder Pironman
37