Mr_Fang/Power-Pico
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README.md
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---
## 🛠️ 硬件参数分析
## 🛠️ 硬件参数
<div align="center">

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README_EN.md
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---
## 🛠️ Hardware Parameter Analysis
## 🛠️ Hardware Parameter
<div align="center">
@@ -115,7 +115,15 @@ Install and use the PowerPico Client. Currently, it only supports Windows operat
<img width="25%" src="./images/pps_page2.png">
</p>
2. Client Operation
2. PPS Spoofing Instructions
First, enter the Settings interface, go to the Spoof/Trigger option, click confirm to enter, and then you can adjust the voltage. Note: Currently, only PPS triggering is supported! Make sure to check if your charger block supports the corresponding protocols during testing.
<p align="center">
<img width="100%" src="./images/test/PPS.gif">
</p>
3. Client Operation
The PowerPico Client for PC can be used for waveform viewing, recording, exporting, and upgrading the firmware of the hardware. The client currently supports 4 languages: **Simplified Chinese/Traditional Chinese/English/Japanese**.
@@ -132,6 +140,42 @@ Install and use the PowerPico Client. Currently, it only supports Windows operat
<img width="45%" src="./images/set_client.png">
</p>
---
## 🔍️ Accuracy Measurement
<b>Note: There is usually a resistor (MΩ level) between the VBUS and GND inside a Type-C cable, which will slightly affect the measurement.</b>
Comparison using an SDM3055 6.5-digit multimeter is shown below:
<p align="center">
<img width="45%" src="./images/test/50u.jpg">
&nbsp;
<img width="45%" src="./images/test/500u.jpg">
</p>
<p align="center">
<img width="45%" src="./images/test/500m.png">
&nbsp;
<img width="45%" src="./images/test/1.8A.jpg">
</p>
<div align="center">
| SDM3055 Reading | Power-Pico Reading | Absolute Error | Relative Error |
| :--- | :--- | :--- | :--- |
| 52.03 uA | 52.05 uA | 0.02uA | 0.4% |
| 518.84 uA | 518.4 uA | 0.5 uA | 1.0% |
| 5.22 mA | 5.29 mA | 0.07 mA | 1.3% |
| 469.3 mA | 482.7 mA | 13.4 mA | 2.9% |
| 1.78 A | 1.81 A | 0.03 A | 1.7% |
| 5.19 V | 5.24 V | 0.05 V | 1.0% |
| 15.20 V | 15.56 V | 0.36 V | 2.4% |
| 19.98 V | 20.17 V | 0.19 V | 1.0% |
</div>
---
## 📂 Project Structure
```text
Power-Pico/
@@ -141,6 +185,8 @@ Power-Pico/
└── Software/ # MDK software project for PowerPico, including BootLoader and App
```
---
## 💻 Code Framework
Similar to previous projects, it uses a BootLoader + App structure for easy USB upgrades. The program partitioning is shown below.
@@ -161,6 +207,8 @@ High-speed data transmission is performed via USB. The data packet structure is
<img width="75%" src="./images/protocol.png">
</p>
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📖 References
<ul>
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<li style="margin-bottom:8px"><a href="https://github.com/lvgl/lvgl">[7] LVGL - Embedded graphics library </a></li>
</ul>
---
🤝 Contribute
Welcome to submit Issues or Pull Requests to add new features to the project or fix code bugs!!