Li‑ion Power Core for Bluetooth Device (TP4056 + MT3608)
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Compact enclosure for DIY Bluetooth audio device.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Electronics
- Licencja
- GNU General Public License v2.0
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This is a compact 3D-printed enclosure designed to house the internal power supply and audio components for a DIY Bluetooth device — such as a portable speaker.
The case integrates a Li‑ion battery with a TP4056 charging module, an MT3608 step‑up boost converter (3.7V → 5V), a Bluetooth module, and a 3‑section 3.5mm audio jack for headphones or audio output.
A SS12F15 toggle switch lets you easily switch between two modes:
- Operation mode — device runs on battery power
- Charging mode — battery charges via microUSB (without powering the load)
Components Used
| Component | Description |
|-----------|-------------|
| TP4056 | Li‑ion battery charger module (5V 1A) with microUSB input |
| MT3608 | Step‑up boost converter (3.7V → 5V) |
| Bluetooth module | Any standard BT audio module (HC‑05 / CSR / etc.) |
| SS12F15 | Toggle switch (0.5A), black, for Charge/Play mode switching |
| 3.5mm audio jack | 3‑section (TRS) female jack for headphones/audio output |
| Li‑ion battery | Standard rechargeable lithium battery (any size that fits) |
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