🔊 DIY Bluetooth Speaker Made by Ahmed – Wireless Sound in a Small Box

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🔊 DIY Bluetooth Speaker Made by Ahmed – Wireless Sound in a Small Box



Ahmed has built a DIY Bluetooth speaker using simple components and creativity. It connects wirelessly to mobile devices and delivers surprisingly clear audio for its size – perfect for everyday use or gifting.

🧾 Components Used

ComponentDescription
Bluetooth Audio Modulee.g., MH-M28, XY-BT, etc.
Audio Amplifier Modulee.g., TPA3110, TPA3116, or PAM8403
Mini Speakers (8Ω 3W)For stereo or mono sound output
18650 Battery (x2)Power source
Battery Protection CircuitTo avoid overcharge/discharge
Charging Module (TP4056)Micro USB for charging
On/Off SwitchFor power control
Small Enclosure BoxPlastic or wooden casing

⚙️ How It Works

  1. The Bluetooth module receives audio wirelessly from a phone/laptop.

  2. The signal is sent to the amplifier module.

  3. The amplifier boosts the audio signal and sends it to the speakers.

  4. The battery + TP4056 setup powers the entire system with rechargeable support.

📐 Circuit Overview

css
[Phone/PC] ~Bluetooth~> [BT Module] → [Audio Amp] → [Speakers]
                                    ↑
                                 [Battery + TP4056]

✅ Features

  • Wireless connection via Bluetooth

  • Rechargeable battery (up to 4–5 hours backup)

  • Portable size fits in hand or pocket

  • Loud and clear 3W speaker output

🛠️ Why It’s Impressive

  • Ahmed customized the design using recycled box material

  • Used local components from electronics markets

  • Learned about Bluetooth, battery safety, and sound circuits

🎯 Applications

  • Personal music player

  • Mini Bluetooth home speaker

  • Tech gift for friends

  • Great for learning DIY electronics

🧠 Final Words

Ahmed’s homemade Bluetooth speaker is a creative and functional project. It’s perfect for beginners who want to explore wireless audio, charging circuits, and sound amplification.

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