1. Introduction
The Keyes 2021 DIY Electronic Block Flame Sensor is a high-quality module designed for electronics enthusiasts. It responds quickly to the presence of flames or smoke and is suitable for fire alarm systems, smoke detection, and other related applications. This sensor can detect different wavelengths of light, especially infrared and visible light wavelengths associated with flames.
2. Features
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Environmentally friendly materials : The black environmentally friendly material used in this module meets modern safety standards.
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High sensitivity : It can quickly respond to flame signals and is suitable for fire alarms and other safety monitoring systems.
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Anti-reverse connection : Equipped with yellow anti-reverse connection terminals to ensure a safe connection.
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Wide compatibility : The module is compatible with a variety of microcontrollers (such as Arduino, Raspberry Pi, etc.), which facilitates development and application.
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Easy to install : Simplified wiring design, suitable for beginners.
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Flexible applications : Suitable for smart home monitoring systems and fire alarms, etc.
3. Specifications
|
parameter |
describe |
|---|---|
|
model |
KE4020 |
|
Sensor type |
Flame sensor |
|
Wire length |
200mm |
|
Operating voltage |
DC 5V |
|
Interface type |
Anti-reverse interface with a spacing of 2.54mm |
|
Sensitivity range |
760nm to 1100nm |
|
Power consumption |
Approximately 20mA (when operating at 5V) |
4. Working Principle
Flame sensors detect the presence of flames by detecting infrared radiation of specific wavelengths. Their workflow is as follows:
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Power connection : The module is connected via VCC and GND and operates at DC 5V.
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Signal output : Once a flame or smoke is detected, a high-level signal is output to send an alarm.
5. Foot position description
|
Pin Name |
describe |
|---|---|
|
VCC |
Connect the positive power supply terminal; supports DC 5V input. |
|
GND |
negative power connection |
|
S |
The output signal terminal outputs a high level when a flame is detected. |