KE4019 Keyes DIY Electronic Brick Obstacle Avoidance Sensor

KE4019 Keyes DIY Electronic Brick Obstacle Avoidance Sensor

1. Introduction
The Keyes 2021 New DIY Electronic Brick Obstacle Avoidance Sensor is an integrated infrared distance measurement module capable of detecting obstacles, making it ideal for smart robotics and related applications. This module enables automated obstacle avoidance during movement and is widely used in robotics, mobile devices, and other smart systems, offering high sensitivity and reliability.

2. Features
- Eco-Friendly Material: Constructed with black eco-friendly materials compliant with modern safety standards, suitable for diverse application scenarios.
- High Sensitivity Detection: Capable of detecting obstacles ahead, providing reliable avoidance functionality.
- Anti-Reverse Interface: Equipped with a 2.54mm red anti-reverse connector to ensure secure and reliable connections.
- Wide Compatibility: Compatible with various microcontrollers (e.g., Arduino) for easy integration into electronic projects.
- Easy Installation: Simple wiring design suitable for beginners and DIY projects.
- Flexible Application: Applicable to automation projects such as robotics, mobile devices, and collision prevention systems.

3. Specifications
| Parameter | Description |
|-----------------|--------------------------------------|
| Model | KE4019 |
| Sensor Type | Infrared Obstacle Avoidance Sensor |
| Cable Length | 200mm |
| Operating Voltage | DC 5V |
| Interface Type | 2.54mm Pitch Anti-Reverse Interface |
| Detection Range | 2cm to 30cm |
| Power Consumption| Approx. 20mA (at 5V operation) |

4. Working Principle
The module operates by emitting infrared light and detecting reflected signals to achieve obstacle avoidance:
- Power Connection: The module connects to a power supply via a 2.54mm interface, operating at DC 5V.
- Signal Output: When an obstacle is detected, the output signal changes, providing an avoidance signal to the controller.

5. Pin Description
| Pin Name | Description |
|----------|-----------------------------------------------------------------------------|
| VCC | Positive power supply connection (DC 5V input) |
| GND | Negative power supply connection |
| S | Signal output pin; outputs a high-level signal when an obstacle is detected |