[Solved] Identify the error in this Raspberry Pi reaction game code snippet:GPIO.setup(18, GPIO.OUT) GPIO.setup(23, GPIO.IN) GPIO.output(23, GPIO.HIGH) # Wait for button press on pin 23 | Raspberry Pi

Raspberry Pi - LED and Button Projects

Identify the error in this Raspberry Pi reaction game code snippet:

GPIO.setup(18, GPIO.OUT)
GPIO.setup(23, GPIO.IN)
GPIO.output(23, GPIO.HIGH)
# Wait for button press on pin 23

APin 23 should be set as GPIO.OUT

BGPIO.setup() missing for pin 18

CGPIO.output() used on input pin 23, which is incorrect

DNo error, code is correct

Step-by-Step Solution

Solution:

Step 1: Check pin setup
Pin 23 is set as input with GPIO.setup(23, GPIO.IN).
Step 2: Identify incorrect usage
GPIO.output() cannot be used on input pins; it is only for output pins.
Final Answer:
GPIO.output() used on input pin 23, which is incorrect -> Option C
Quick Check:
GPIO.output() only for output pins [OK]

Quick Trick: Use GPIO.output only on output pins [OK]

Common Mistakes:

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Identify the error in this Raspberry Pi reaction game code snippet: