> ## 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.

# Technical Specifications

* Operating Voltage: 3.3V

* Dimensions: 25.4 mm x 38.1 mm

* Weight: 5 g (pins soldered)

* **I2C Address:**

* 0x07 default address

* 0x08 address when ADR1 is short-circuited

* 0x03 address when ADR1 is short-circuited

* 0x04 address when ADR1 and ADR2 are short-circuited

* The product includes 1 I2C connection cable, 10 cm in length.

## Header (Left)

| Module Pin | Description | Development Board Pin |
| - | - | - |
| 3.3V | 3.3V Supply Voltage | 3.3V Voltage Output |
| RESET | Microcontroller Reset (Debug) | No Connection |
| D1 | TCRT5000 Digital Output (Bottom) | Digital Input Pin |
| A1 | TCRT5000 Collector (Bottom) | |
| D2 | TCRT5000 Digital Output (Top) | Digital Input Pin |
| A2 | TCRT5000 Collector (Top) | |

## Header (Right)

| Module Pin | Description | Development Board Pin |
| - | - | - |
| GND | Ground | Ground |
| SDA | Bidirectional Data Line | SDA |
| SCL | Data Line Clock Synchronization Signal | SCL |
| SWIM | Microcontroller SWIM Communication Protocol (Debug) | No Connection |
| ANO2 | TCRT5000 Anode (Top) | |
| ANO1 | TCRT5000 Anode (Bottom) | |

## I2C Communication Connectors

| Module Pin | Description | Development Board Pin |
| - | - | - |
| SCL | Data Line Clock Synchronization Signal | SCL |
| SDA | Bidirectional Data Line | SDA |
| 3V3 | 3.3V Supply Voltage | 3.3V Voltage Output |
| GND | Ground | Ground |


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