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Carte d'extension de haut-parleur Raspberry Pi, amplificateur audio GPIO, carte son PWM pour zéro/3B/4B - AliExpress
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Raspberry Pi speaker expansion board GPIO audio amplification PWM sound card for zero/3B/4B - AliExpress
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Raspberry Pi - Audio Expansion Module for Raspberry Pi Pico, Concurrently Headphone / Speaker Output
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