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What is the main difference between a Buzzer and a TonalBuzzer in the gpiozero library?

easy📝 Conceptual Q11 of 15
Raspberry Pi - gpiozero Library

What is the main difference between a Buzzer and a TonalBuzzer in the gpiozero library?

ABuzzer makes a simple beep; TonalBuzzer can play different tones by frequency.
BBuzzer can play music; TonalBuzzer only beeps once.
CBuzzer requires more power than TonalBuzzer.
DBuzzer is software only; TonalBuzzer is hardware only.
Step-by-Step Solution
Solution:

  1. Step 1: Understand Buzzer functionality

    A Buzzer in gpiozero produces a simple on/off beep sound without tone variation.

  2. Step 2: Understand TonalBuzzer functionality

    A TonalBuzzer can play different tones by changing the frequency, allowing melodies or varied sounds.

  3. Final Answer:

    Buzzer makes a simple beep; TonalBuzzer can play different tones by frequency. -> Option A

  4. Quick Check:

    Buzzer simple beep, TonalBuzzer frequency tones = C [OK]
Quick Trick: Remember: TonalBuzzer = tones, Buzzer = simple beep [OK]
Common Mistakes:
  • Thinking Buzzer can play melodies
  • Confusing hardware and software roles
  • Assuming TonalBuzzer only beeps once

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