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BIGTREETECH Pi2 - 40-Pin GPIO

BIGTREETECH Pi2
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BIGTREETECH Pi 2 User Manual
3.2. 40-pin GPIO
PI2/CB2
40Pin-GPIO
3.3v
5V
GPIO4_B2(gpiochip4/gpio10)
5V
GPIO4_B3(gpiochip4/gpio11)
GND
GPIO3_A1(gpiochip3/gpio1)
GPIO0_D1(gpiochip0/gpio25)
GND
GPIO0_D0(gpiochip0/gpio24)
GPIO0_C7(gpiochip0/gpio23)
GPIO0_B0(gpiochip0/gpio8)
GPIO1_A0(gpiochip1/gpio0)
GND
GPIO1_A1(gpiochip1/gpio1)
GPIO4_C6(gpiochip4/gpio22)
3.3v
GPIO4_A3(gpiochip4/gpio3)
GPIO3_C1(gpiochip3/gpio17)
GND
GPIO3_C2(gpiochip3/gpio18)
GPIO0_C4(gpiochip0/gpio20)
GPIO3_C3(gpiochip3/gpio19)
GPIO4_A2(gpiochip4/gpio2)
GND
GPIO0_A6(gpiochip0/gpio6)
GPIO0_B4(gpiochip0/gpio12)
GPIO0_B3(gpiochip0/gpio11)
GPIO3_D6(gpiochip3/gpio30)
GND
GPIO3_D7(gpiochip3/gpio31)
GPIO0_C1(gpiochip0/gpio17)
GPIO0_C0(gpiochip0/gpio16)
GND
GPIO4_C5(gpiochip4/gpio21)
GPIO0_A0(gpiochip0/gpio0)
GPIO0_C3(gpiochip0/gpio19)
GPIO4_C3(gpiochip4/gpio19)
GND
GPIO4_C2(gpiochip4/gpio18)
The method for calculating GPIO pins is as follows:
GPIO4_B2 = (‘B’ - ‘A’) * 8 + 2 = 1 * 8 + 2 = gpiochip4/gpio10
GPIO3_D7 = (‘D’ - ‘A’) * 8 + 7 = 3 * 8 + 7 = gpiochip3/gpio31

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