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Update README.md with display specifications, current draw values, an…
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…d improved image descriptions
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desiFish committed Jan 10, 2025
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37 changes: 11 additions & 26 deletions README.md
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```ini
Microcontroller: Xiao ESP32 C3
Display: 3.52" BiColor E-paper (360x240)
Display: 3.52 inches BiColor E-paper (360x240)
Battery: LiFePO4 6000mAh 3.2V
Operating Voltage: 3.2V
Sleep Duration: 60 seconds
I2C Speed: 400kHz
Battery Thresholds:
- Upper Limit: 3.3V
- High: 3.4V
- Low: 2.9V
NTP Server: asia.pool.ntp.org
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• Bluetooth: BLE 5.0<br>
• GPIO: 11 pins<br>
• Size: 21x17.5mm<br>
• Deep Sleep: ~14µA
• Deep Sleep: ~45µA
</td>
<td>Ultra-compact IoT controller with low power consumption and built-in wireless capabilities</td>
</tr>
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4. Upload code
</details>

## 📊 Power Analysis
<table>
<tr>
<th>Mode</th>
<th>Duration</th>
<th>Current Draw</th>
</tr>
<tr>
<td>Deep Sleep</td>
<td>60 seconds</td>
<td>~50µA</td>
</tr>
</table>

## 🔋 Battery Performance
<div align="center">
<table>
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<tr>
<td colspan="4">
<strong>Performance Metrics</strong><br>
⚡ Average Current Draw: ~50µA<br>
⚡ Average Current Draw: ~60µA<br>
🔋 Initial Voltage: 3.6V<br>
📉 Final Voltage: ~2.84V<br>
🌡️ Temperature Range: 17-38°C
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<tr>
<td align="center">
<img src="https://github.com/KamadoTanjiro-beep/E-Paper-Display-NTP-Clock/blob/main/src/images/epdClock.jpg" width="200"><br>
<sub>Main Display</sub>
<sub>Front 1</sub>
</td>
<td align="center">
<img src="https://github.com/KamadoTanjiro-beep/E-Paper-Display-NTP-Clock/blob/main/src/images/x1.jpg" width="200"><br>
<sub>Add Image 2</sub>
<sub>Side 1</sub>
</td>
<td align="center">
<img src="https://github.com/KamadoTanjiro-beep/E-Paper-Display-NTP-Clock/blob/main/src/images/x2.jpg" width="200"><br>
<sub>Add Image 3</sub>
<sub>Back</sub>
</td>
<td align="center">
<img src="https://github.com/KamadoTanjiro-beep/E-Paper-Display-NTP-Clock/blob/main/src/images/x3.jpg" width="200"><br>
<sub>Add Image 4</sub>
<sub>Front 2</sub>
</td>
</tr>
<tr>
<td align="center">
<img src="https://github.com/KamadoTanjiro-beep/E-Paper-Display-NTP-Clock/blob/main/src/images/x4.jpg" width="200"><br>
<sub>Add Image 5</sub>
<sub>Inside 1</sub>
</td>
<td align="center">
<img src="https://github.com/KamadoTanjiro-beep/E-Paper-Display-NTP-Clock/blob/main/src/images/x5.jpg" width="200"><br>
<sub>Add Image 6</sub>
<sub>Inside 2</sub>
</td>
<td align="center">
<img src="https://github.com/KamadoTanjiro-beep/E-Paper-Display-NTP-Clock/blob/main/src/images/x6.jpg" width="200"><br>
<sub>Add Image 7</sub>
<sub>Inside 3</sub>
</td>
<td align="center">
<img src="" width="200"><br>
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-**Current Draw**: This project's extremely low current consumption (well below rated cell capacity) makes the cell configuration safer
- 🛡️ **Protection**: Always use proper BMS protection for your cells
- 📝 **BMS Setup**: Due to limited 1S LiFePO4 BMS availability:
- Using 4.2V BMS for 2.5V cutoff protection
- Using 4.2V BMS for 2.5V cutoff protection (Low Discharge Cutoff)
- TP5000 connected directly to the cell for proper 3.6V charging
- This is a temporary solution until better 1S LFP BMS options become available

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