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Fix MQ2 Gas Sensor 404 reference #239

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Merged
merged 4 commits into from
Aug 12, 2025
Merged

Fix MQ2 Gas Sensor 404 reference #239

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a4b21b5
fix part name in file contents
dakalamin Aug 11, 2025
3223bba
fix part name in filenames
dakalamin Aug 11, 2025
bf07d9f
fix sorting
dakalamin Aug 11, 2025
a31e89d
improve part reference
dakalamin Aug 11, 2025
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14 changes: 7 additions & 7 deletions docs/parts/wokwi-mq2-gas-sensor.md → docs/parts/wokwi-gas-sensor.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
---
title: wokwi-mq2-gas-sensor Reference
sidebar_label: wokwi-mq2-gas-sensor
title: wokwi-gas-sensor Reference
sidebar_label: wokwi-gas-sensor
---

MQ2 Gas Sensor module
Expand All @@ -18,16 +18,16 @@ MQ2 Gas Sensor module

## Attributes

| Name | Description | Default value |
| --------- | ------------------------------------- | ------------- |
| ppm | part per million | "400" |
| threshold | Digital output threshold voltage | "4.4" |
| Name | Description | Default value |
| --------- | ------------------------------------------------ | ------------- |
| ppm | Initial gas concentration (in parts per million) | "400" |
| threshold | Digital output threshold voltage | "4.4" |

## Operation

The MQ2 Gas Sensor is a semiconductor sensor that can detect the presence of various combustible gases including LPG, Propane, Hydrogen, Methane, and Carbon Monoxide. The sensor has both analog and digital outputs:

- The analog output (AO) provides a continuous voltage reading that corresponds to the gas concentration(ppm). Higher gas concentration results in higher voltage output.
- The analog output (AO) provides a continuous voltage reading that corresponds to the gas concentration (ppm). Higher gas concentration results in higher voltage output.
- The digital output (DO) acts as a threshold detector - it goes LOW when gas concentration exceeds the threshold set by the potentiometer.

To use the MQ2 sensor:
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2 changes: 1 addition & 1 deletion docs/parts/wokwi-mq2-gas-sensor.svg → docs/parts/wokwi-gas-sensor.svg
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6 changes: 3 additions & 3 deletions sidebars.js
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Expand Up @@ -36,12 +36,12 @@ module.exports = {
'parts/wokwi-dip-switch-8',
'parts/wokwi-ds1307',
'parts/wokwi-franzininho',
'parts/wokwi-gas-sensor',
'parts/wokwi-hc-sr04',
'parts/wokwi-hx711',
'parts/wokwi-ili9341',
'parts/wokwi-ir-receiver',
'parts/wokwi-ir-remote',
'parts/wokwi-relay-module',
'parts/wokwi-ks2e-m-dc5',
'parts/wokwi-ky-040',
'parts/wokwi-lcd1602',
Expand All @@ -53,7 +53,6 @@ module.exports = {
'parts/wokwi-membrane-keypad',
'parts/wokwi-microsd-card',
'parts/wokwi-mpu6050',
'parts/wokwi-mq2-gas-sensor',
'parts/wokwi-nlsf595',
'parts/wokwi-nokia-5110-screen',
'parts/wokwi-ntc-temperature-sensor',
Expand All @@ -63,8 +62,9 @@ module.exports = {
'parts/wokwi-potentiometer',
'parts/wokwi-pushbutton',
'parts/wokwi-pushbutton-6mm',
'parts/wokwi-rgb-led',
'parts/wokwi-relay-module',
'parts/wokwi-resistor',
'parts/wokwi-rgb-led',
'parts/wokwi-servo',
'parts/wokwi-slide-potentiometer',
'parts/wokwi-slide-switch',
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