KE4020 Keyes DIY Electronic Brick Flame Sensor

KE4020 Keyes DIY Electronic Brick Flame Sensor

1. Introduction
The Keyes 2021 New DIY Electronic Brick Flame Sensor is a high-quality module designed for electronics enthusiasts, capable of rapidly detecting the presence of flames or smoke. It is suitable for fire alarm systems, smoke detection, and related applications. This sensor can detect light at specific wavelengths, particularly infrared and visible light associated with flames.

2. Features
- Eco-Friendly Material: The module uses black eco-friendly materials compliant with modern safety standards.
- High Sensitivity: Quickly responds to flame signals, making it ideal for fire alarms and safety monitoring systems.
- Anti-Reverse Interface: Equipped with a yellow anti-reverse connector for secure connections.
- Wide Compatibility: Compatible with various microcontrollers (e.g., Arduino, Raspberry Pi) for easy development and application.
- Easy Installation: Simplified wiring design suitable for beginners.
- Flexible Application: Applicable to smart home monitoring systems and fire alarm devices.

3. Specifications
| Parameter | Description |
|-----------------|--------------------------------------|
| Model | KE4020 |
| Sensor Type | Flame Sensor |
| Cable Length | 200mm |
| Operating Voltage | DC 5V |
| Interface Type | 2.54mm Pitch Anti-Reverse Interface |
| Sensitivity Range| 760nm to 1100nm |
| Power Consumption| Approx. 20mA (at 5V operation) |

4. Working Principle
The flame sensor detects the presence of flames by sensing specific wavelengths of infrared radiation. Its workflow is as follows:
- Power Connection: The module connects to a power supply via VCC and GND, operating at DC 5V.
- Signal Output: When flames or smoke are detected, the module outputs a high-level signal to trigger an alarm.

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 flames are detected |