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

 

🔊 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.

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🧾 Components Used

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

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⚙️ 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.

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📐 Circuit Overview

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

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✅ 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

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🛠️ 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

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🎯 Applications

• Personal music player

• Mini Bluetooth home speaker

• Tech gift for friends

• Great for learning DIY electronics

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🧠 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.