MQ-5 Liquefied Petroleum Gas / Methane Natural Gas Sensor Module
R49,95
6 in stock
Description
Here is a breakdown and key information for the MQ-5 Gas Sensor Module, commonly used in electronics and IoT safety projects:
Key Features & Specifications
-
Target Gases: LPG, Natural Gas (Methane), Town Gas / Coal Gas. (Also has lower sensitivity to Alcohol, Smoke, and Hydrogen).
-
Operating Voltage: 5V DC (Requires a 5V supply to run the internal heater element).
-
Current Consumption: ~150mA (Heater draws significant current; do not power directly from a weak microcontroller 3.3V pin).
-
Output Types:
-
Digital Output (DO): High/Low logic output based on an adjustable threshold (set via the onboard potentiometer).
-
Analog Output (AO): Voltage level (0V – 5V) proportional to the concentration of detected gas.
-
-
Preheat Time: Requires ~20–40 seconds to warm up after powering on before reading stable values (for high precision, a 24-hour burn-in is recommended).
Pinout Reference
| Pin Name | Function | Description |
| VCC | Power Input | Connect to 5V DC. |
| GND | Ground | Connect to system Ground (MCU GND). |
| DO | Digital Output | Goes LOW (or HIGH depending on module circuit) when gas level exceeds the threshold set by the potentiometer. |
| AO | Analog Output |
Reviews
There are no reviews yet.