GPIO pin numbering (BCM vs BOARD) in Raspberry Pi - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the GPIO mode to BCM numbering.

Raspberry Pi

import RPi.GPIO as GPIO
GPIO.setmode(GPIO.[1])

Drag options to blanks, or click blank then click option'

ABOARD

BNUM

CPIN

DBCM

Attempts:

3 left

💡 Hint

Common Mistakes

Using BOARD instead of BCM for BCM numbering.

BCM mode uses the Broadcom chip's pin numbers.

2fill in blank

medium

Complete the code to set up pin 18 as an output using BCM numbering.

Raspberry Pi

GPIO.setup([1], GPIO.OUT)

Drag options to blanks, or click blank then click option'

A18

B12

C7

D22

Attempts:

3 left

💡 Hint

Common Mistakes

Using physical pin numbers instead of BCM numbers.

Pin 18 is a common GPIO pin in BCM mode.

3fill in blank

hard

Fix the error in the code to set the GPIO mode to BOARD numbering.

Raspberry Pi

GPIO.setmode(GPIO.[1])

Drag options to blanks, or click blank then click option'

APIN

BBOARD

CBCM

DNUM

Attempts:

3 left

💡 Hint

Common Mistakes

Using BCM instead of BOARD for physical pin numbering.

BOARD mode uses the physical pin numbers on the Raspberry Pi header.

4fill in blank

hard

Fill both blanks to create a dictionary mapping physical pins to BCM pins for pins 7 and 11.

Raspberry Pi

pin_map = {7: [1], 11: [2]

Drag options to blanks, or click blank then click option'

A4

B17

C27

D22

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up physical and BCM pin numbers.

Physical pin 7 maps to BCM 4, and physical pin 11 maps to BCM 17.

5fill in blank

hard

Fill all three blanks to set up physical pin 12 as output, set it high, and then clean up.

Raspberry Pi

GPIO.setmode(GPIO.[1])
GPIO.setup([2], GPIO.OUT)
GPIO.output([3], GPIO.HIGH)
GPIO.cleanup()

Drag options to blanks, or click blank then click option'

ABOARD

B12

DBCM

Attempts:

3 left

💡 Hint

Common Mistakes

Using BCM mode but physical pin numbers.

Use BOARD mode for physical pin numbering, set up pin 12 as output, then set it high.