DIY amplified Bluetooth MP3 player

452 views · Published 27 March 2018 · 1:02 · Indexed 28 September 2026

Channel: t0nito · 2018 · Science & Technology

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Here's a video showing a little project I made.

Music: https://www.bensound.com

Materials used:

- A blue metal project box 250mm x 190mm x 110mm (painted matte black and chrome).
- A bluetooth/mp3 player (search for bluetooth speakers)
- A pair of 40mm x 40mm analogue VU meters 500uA
- A VU meter driver board
- 2 white 12V leds for the VU meters (I used white dashboard LEDs)
- A 12V 5A power supply
- A 12V Preamplifier XR1075 BBE Sound Surround Effect Amplifier Preamp Board
- A  TDA7492 2x50W D Class Digital Amplifier Board

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