Grove - Speaker Plus HC-05 Bluetooth Module with with TTL Output (Pack of 20) Adafruit 870 / 871 /
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Description
Grove Speaker Plus HC 05 Bluetooth Module with with TTL Output (Pack of 20) Adafruit 870 871 Adafruit 870 871 872 1633 959 1080 Mini 8x8 LED Matrix w I2C Backpack Ultra Bright HT12D Decoder IC Complete Product Content the Grove Speaker Plus can produce musical notes and simple melodies by utilizing PWM signals with specific frequencies corresponding to musical notes Test your audio output at lower frequencies first (200Hz to 2000Hz) where the speaker performs optimally
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