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Training: Gas Detection - Mastering the Use of the MQ-2 Sensor for Electronic Projects

Course created on July 27, 2026Updated on October 5, 2026

On quote$1,155

1 day
Onsite
8 people max.

Request a quote See the program

Ref: HAT860

8 people max.

On quote$1,155

In-company rate: on quotefrom $2,195 for the whole team

On-site and certification exam on quote

1 day

Onsite

Don't let this gap widen

Why this program matters

Without precise mastery of gas detection with the MQ-2 sensor, your electronic projects risk critical false positives or negatives, exposing you to invisible dangers such as flammable gas leaks.
Beginners lose an average of 20 hours per project on unsuccessful debugging, with 75% of failures due to faulty calibration, wasting components and motivation.
This slows your progress in electronics, multiplies prototype abandonments, and compromises your personal safety during real tests.
Each week without solid skills equates to a cumulative professional delay of several months.

Trusted by — schools, companies and industrial groups

25,718 programs · 25 countries

Every program built with a dedicated engineer

Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft and Microsoft.

Learning objectives

Understand the operating principle of the MQ-2 sensor
Identify the different types of gases detected by the MQ-2 sensor
Know how to connect an MQ-2 sensor to a microcontroller (Arduino, ESP32, Raspberry Pi, etc.)
Interpret the analog and digital values from the sensor
Integrate the MQ-2 sensor into a simple application (alert, monitoring, etc.)
Acquire best practices for handling and calibrating gas sensors in a secure environment

Program

Module 1Discovery and First Steps with the MQ-2 Sensor

Presentation of the MQ-2 sensor: physical structure, operating principle, and applications. Study of detected gases (LPG, butane, methane, smoke, alcohol). Analysis of technical specifications. Safety when handling gas sensors. Connecting the MQ-2 to a test board. Introduction to reading analog and digital data. Practical exercises: physical assembly, connections, reading initial output values, visualization via microcontroller. Initial sensor calibration. Simple case studies: building a smoke detection system with LED/buzzer signaling. Q&A and sharing experiences on real-world use cases of the MQ-2 sensor.

Evaluation method

Quiz to validate learning outcomes at the end of the training
Continuous assessment during practical workshops on assembly and programming
Practical situation (mini-project individual or in pairs)

Learning method

Interactive lecture
Demonstrations and hands-on manipulation with live coding
Guided exercises (sensor connection, reading code, calibration)
Mini-project to integrate the sensor into a prototype
Provision of detailed support materials including code examples

Methods, materials and delivery

The Training: Gas Detection - Mastering the Use of the MQ-2 Sensor for Electronic Projects program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.

The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.

Equipment required

For the smooth delivery of the Training: Gas Detection - Mastering the Use of the MQ-2 Sensor for Electronic Projects program, the following equipment is required:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, hands-on exercises and complementary resources
Post-training access to materials and educational resources

For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.

* contact us for remote delivery feasibility** ratio varies depending on the program

Skills assessment methods

Assessment of skills acquired during the Training: Gas Detection - Mastering the Use of the MQ-2 Sensor for Electronic Projects program is performed through:

During training: case studies, hands-on labs and professional scenarios
End of training: self-assessment questionnaire and skills evaluation by the trainer
After training: completion certificate detailing acquired skills

Program accessibility

Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.

Enrollment terms and lead times

Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.

The Learni story

Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.

Our method

Training quality, guaranteed at every step

Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.

Step 1

Rigorous trainer selection

Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.

Triple validation: technical, pedagogical, sectoral.
Minimum rating 4.8/5 over the last 12 sessions.

Step 2

You meet the trainer beforehand

30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.

Live briefing on goals and team context.
Veto right — we swap the trainer for free if needed.

Step 3

Content tailored to your context

No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.

Hands-on cases drawn from your stack and projects.
Program co-written then validated by your team.

Step 4

Continuous quality follow-up

Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.

NPS, knowledge quizzes and skills self-assessment.
Satisfaction guarantee: fully satisfied or free rework.

A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.

A child walking to school with a backpack

Our social commitment

A school kit donated to a child for every training booked

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.

Backpack, notebooks and essential supplies
Distributed through our partner charities
Included, at no extra cost to you

Enroll and offer a kit

FAQ

Frequently asked questions

What can participants do after Training: Gas Detection training?+

They can understand the operating principle of the MQ-2 sensor, identify the different types of gases detected by the MQ-2 sensor and know how to connect an MQ-2 sensor to a microcontroller (Arduino, ESP32, Raspberry Pi, etc.). Those are the stated objectives of the Training: Gas Detection program at Beginner level, checked by the end-of-session assessment.

How is Training: Gas Detection training assessed?+

Assessment relies on quiz to validate learning outcomes at the end of the training, continuous assessment during practical workshops on assembly and programming and practical situation (mini-project individual or in pairs). Learni issues a completion certificate together with the individual assessment report at the end of the Training: Gas Detection program, which an L&D team can file as evidence.

How much does Training: Gas Detection training cost per participant?+

Training: Gas Detection training is priced on quote. The amount depends on headcount, format and how far the syllabus is tailored to your team. A detailed quote is sent within one business day, and team pricing covers the whole group from the second participant.

How long does Training: Gas Detection training take?+

1 day, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.

Who pays for Training: Gas Detection training?+

Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.

What do participants need to know before Training: Gas Detection training?+

Basic knowledge of electronics (circuits, voltage, current) recommended but not mandatory.

Is a certificate issued after Training: Gas Detection training?+

Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.

Does Learni provide the equipment for Training: Gas Detection training?+

No. A computer and a stable internet connection are required for each participant. Learni provides the learning platform, the trainer and all course materials.

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