> ## Documentation Index
> Fetch the complete documentation index at: https://docs.deneyapkart.org/llms.txt
> Use this file to discover all available pages before exploring further.

# External Connections (DYMv2)

## USB Type-C

| Pin No | Pin Name | Pin Function                      |
| :----: | :------: | --------------------------------- |
|    1   |   VBUS   | Main power supply line            |
|    2   |    DP    | Differential data line (positive) |
|    3   |    DN    | Differential data line (negative) |
|    4   |    CC1   | –                                 |
|    5   |    CC2   | –                                 |
|    6   |    GND   | Main ground line                  |
|    7   |   SHLD   | Shield / ground connection        |

## I2C Communication Connector (JST-SH 1.0 mm, 4-pin)

| Pin No | Pin Name | Pin Function             |
| ------ | -------- | ------------------------ |
| 1      | GND      | Main ground line         |
| 2      | 3V3      | Regulator output (3.3 V) |
| 3      | SDA      | Bidirectional data line  |
| 4      | SCL      | Data clock signal        |