KE4023 Keyes DIY Electronic Brick Collision Sensor

**KE4023 Keyes DIY Electronic Brick Collision Sensor**

**1. Introduction**
The Keyes 2021 New DIY Electronic Brick Collision Sensor is a high-quality module specifically designed for electronics enthusiasts and educators. Manufactured from eco-friendly materials, this module can detect contact and collision actions, making it widely applicable in automation and smart device projects.

**2. Features**
- **Eco-Friendly Material:** Utilizes black eco-friendly materials that comply with modern safety standards, ensuring module reliability.
- **Collision Detection:** Effectively detects collisions and contacts, providing feedback signals to the controller.
- **Anti-Reverse Interface:** Equipped with a 2.54mm red anti-reverse connector to ensure secure connections.
- **Broad Compatibility:** Compatible with various microcontrollers (e.g., Arduino, Raspberry Pi), facilitating diverse project development.
- **Easy Installation:** Features a 3-pin white anti-reverse cable for simple wiring, suitable for beginners.
- **Flexible Application:** Ideal for automation systems, robotics, toys, and other projects.

**3. Specifications**
| Parameter | Description |
|-----------------|--------------------------------------|
| Model | KE4023 |
| Sensor Type | Collision Sensor |
| Cable Length | 200mm |
| Operating Voltage | DC 5V |
| Interface Type | 2.54mm Pitch Anti-Reverse Interface |
| Power Consumption | Approx. 20mA (at 5V operation) |

**4. Working Principle**
The collision sensor operates based on contact detection. Its workflow is as follows:
- **Power Connection:** The module connects to a power supply via GND and VCC, supporting DC 5V operation.
- **Signal Output:** When a collision or contact occurs, the physical change detected by the module triggers a signal output.

**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 a collision is detected |