GAS Sensor Robotics Bangladesh

Reference: RBD-2839

Explosive Combustible Gas Sensor TGS813

(0)

Programmable battery charger module for 6V–60V DC batteries up to 30A Compatible with lithium, lead-acid, and multi-cell battery packs (2S–14S) LCD display with real-time voltage, capacity, and status monitoring Built-in 30A relay for safe, automatic charge and discharge control Adjustable charging parameters with precise 0.1V accuracy Compact design with...

BDT 950

BDT 950 tax incl.

BDT 950 tax excl.

BDT 950 tax incl.

BDT 0 Tax

BDT 950 tax excl.

BDT 0 Tax

BDT 950 tax incl.

In-Stock

In stock: 19

Reference: RBD-3101

MQ-137 Ammonia Gas NH3 Sensor Module

(0)

MQ-137 sensor module for detecting Ammonia (NH3) and CO gases Wide detection range with fast response time under 1 second Provides both analog and digital outputs for versatile use Adjustable sensitivity via onboard potentiometer Operates on standard +5V supply, Arduino compatibl Ideal for air quality monitoring, leak alarms, and safety systems

BDT 1,225

BDT 1,225 tax incl.

BDT 1,225 tax excl.

BDT 1,225 tax incl.

BDT 0 Tax

BDT 1,225 tax excl.

BDT 0 Tax

BDT 1,225 tax incl.

In-Stock

In stock: 5

Reference: RBD-3115

MQ-131 Ozone Gas Detector Sensor Module

(0)

High-sensitivity MQ-131 sensor for ozone (O₃) detection in air (10 PPB – 2 PPM range) Detects O₃, Cl₂, and NO₂ gases with fast response and high stability Provides dual signal output: analog and TTL-level digital output Signal LED indicator for easy testing and monitoring Plug-type probe design for convenient replacement and calibration Ideal for air...

BDT 2,790

BDT 2,790 tax incl.

BDT 2,790 tax excl.

BDT 2,790 tax incl.

BDT 0 Tax

BDT 2,790 tax excl.

BDT 0 Tax

BDT 2,790 tax incl.

In-Stock

In stock: 10

Reference: RBD-3116

MQ-214 Methane Sensor Combustible Gas Sensor

(0)

High-sensitivity MQ-214 sensor for methane (CH₄) gas detection Detects CH₄, LPG, propane, iso-butane, and hydrogen (H₂) gases Provides analog voltage output proportional to gas concentration Features wide detection range and fast response time Durable, long-life design with low maintenance cost Ideal for gas leakage detection in residential and industrial...

BDT 350

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BDT 350 tax excl.

BDT 350 tax incl.

BDT 0 Tax

BDT 350 tax excl.

BDT 0 Tax

BDT 350 tax incl.

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In stock: 2

Reference: RBD-3168

Figaro TGS2603 Unpleasant Odors Stale Food Air Pollution Sensor

(0)

Figaro TGS2603 semiconductor gas sensor for detecting unpleasant odors and air pollution. Highly sensitive to odors, stale food, and organic pollutants (1–10 ppm range). Analog output signal for simple integration with microcontrollers and analog systems. Low power consumption design ideal for continuous monitoring. Operates on 5V supply voltage with easy...

BDT 3,350

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BDT 3,350 tax excl.

BDT 3,350 tax incl.

BDT 0 Tax

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BDT 3,350 tax incl.

In-Stock

In stock: 5

Reference: RBD-3183

PlanTower PMSA003-A Dust/Air Quality Sensor PM1.0 / PM2.5 / PM10 UART with Adapter Board

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PlanTower PMSA003-A Laser Dust Sensor for PM1.0, PM2.5, and PM10 air quality detection. Utilizes laser light scattering technology for precise measurement of particles as small as 0.3 µm. Features a built-in silent fan for stable airflow and accurate readings. UART communication interface (3.3V logic level) for simple integration with microcontrollers....

BDT 3,546

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BDT 3,546 tax incl.

BDT 0 Tax

BDT 3,546 tax excl.

BDT 0 Tax

BDT 3,546 tax incl.

In-Stock

In stock: 8

Reference: RBD-3185

Dust/Air Purity Sensor PM1.0/PM2.5/PM10 - PMS7003 - 3.3V UART

(0)

PMS7003 Laser Dust Sensor for precise PM1.0, PM2.5, and PM10 air quality measurement. Detects ultra-fine particles down to 0.3 µm using laser scattering technology. Features UART communication (3.3V logic) for easy integration with Arduino, ESP32, or Raspberry Pi. Compact and energy-efficient design ideal for smart home and environmental monitoring....

BDT 2,450

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BDT 2,450 tax incl.

BDT 0 Tax

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In stock: 5

Reference: RBD-3283

Base PCB Board MQ Gas Sensors

(0)

Biometric sensor module for real-time blood oxygen (SpO2) and heart rate monitoring. Equipped with integrated LEDs and photodetector for accurate optical measurement. Features I2C communication interface for easy connection with Arduino, Raspberry Pi, and ESP32. Low power consumption and ultra-low standby current ideal for wearable and portable devices....

BDT 240

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BDT 0 Tax

BDT 240 tax excl.

BDT 0 Tax

BDT 240 tax incl.

In-Stock

In stock: 46

Reference: RBD-3284

MC105 Methane Gas Sensor Module

(0)

High-precision catalytic methane gas sensor for detecting CH₄, C₃H₈, LPG, and CO. Fast response time (≤10s) ensures quick detection of gas leaks. Built-in compensating element for temperature and humidity stability. Wide detection range (0–100% LEL) suitable for industrial and domestic use. Durable, plastic-encapsulated design for long-term performance in...

BDT 330

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BDT 0 Tax

BDT 330 tax excl.

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BDT 330 tax incl.

In-Stock

In stock: 19

Reference: RBD-3307

ZE08-CH2O Formaldehyde Concentration Measurement Module

(0)

High-precision formaldehyde (CH₂O) detection module using electrochemical sensing technology. Provides dual output options: UART digital and analog voltage output. Built-in temperature compensation ensures accurate readings under varying environments. Fast response and recovery time (≤60s) for real-time air-quality monitoring. Operates on 3.7V–5.5V with...

BDT 1,350

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BDT 1,350 tax excl.

BDT 1,350 tax incl.

BDT 0 Tax

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BDT 0 Tax

BDT 1,350 tax incl.

Last items in stock

In stock: 2

Fermion MEMS Odor Smell Gas Detection Sensor Robotics Bangladesh

Reference: RBD-3347

Brand: DFRobot

Fermion MEMS Odor Smell Gas Detection Sensor

(0)

Fermion MEMS Odor Smell Gas Detection Sensor with advanced MEMS technology. Detects multiple odor gases such as H₂S, EtOH, and Acetone qualitatively. Features compact 13×13×2.5mm design and low power consumption (<20mA). Offers fast response and recovery with minimal heat generation. Ideal for breath analyzers, food freshness, and odor detection...

BDT 990

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BDT 990 tax excl.

BDT 990 tax incl.

BDT 0 Tax

BDT 990 tax excl.

BDT 0 Tax

BDT 990 tax incl.

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In stock: 3

Fermion MEMS Methane CH4 Gas Detection Sensor Robotics Bangladesh

Reference: RBD-3348

Brand: DFRobot

Fermion MEMS Methane CH4 Gas Detection Sensor

(0)

Fermion MEMS Methane CH4 Gas Detection Sensor with advanced MEMS technology. Detects methane and propane (CH₄, C₃H₈) gases qualitatively. Low power consumption (<20mA) and compact size (13×13×2.5mm). Offers fast response and recovery with minimal heat generation. Ideal for gas leak detectors, fire alarms, and industrial safety systems Long lifespan (≥5...

BDT 990

BDT 990 tax incl.

BDT 990 tax excl.

BDT 990 tax incl.

BDT 0 Tax

BDT 990 tax excl.

BDT 0 Tax

BDT 990 tax incl.

In-Stock

In stock: 5

Fermion MEMS Smoke Gas Detection Sensor Robotics Bangladesh

Reference: RBD-3349

Brand: DFRobot

Fermion MEMS Smoke Gas Detection Sensor

(0)

Fermion MEMS Smoke Gas Detection Sensor with high-sensitivity MEMS technology. Detects smoke and ethanol vapors qualitatively for alarm and safety systems. Features compact size (13×13×2.5mm) and low power consumption (<20mA). Fast response and recovery with minimal heat generation and short preheat time Suitable for smoke alarms, environmental...

BDT 990

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BDT 990 tax excl.

BDT 990 tax incl.

BDT 0 Tax

BDT 990 tax excl.

BDT 0 Tax

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In stock: 3

Fermion MEMS Nitrogen Dioxide NO2 Gas Detection Sensor Robotics Bangladesh

Reference: RBD-3351

Brand: DFRobot

Fermion MEMS Nitrogen Dioxide NO2 Gas Detection Sensor

(0)

Fermion MEMS Nitrogen Dioxide (NO₂) Gas Detection Sensor with advanced MEMS technology. Detects NO₂ gas qualitatively for air quality and emission monitoring. Compact and efficient design: 13×13×2.5mm, <20mA operating current. Features fast response and recovery with low heat output and short preheat time. Ideal for air pollution, vehicle exhaust, and...

BDT 1,590

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BDT 1,590 tax excl.

BDT 1,590 tax incl.

BDT 0 Tax

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BDT 0 Tax

BDT 1,590 tax incl.

In-Stock

In stock: 4

Reference: RBD-3399

MQ-9 Gas Sensor Module Carbon Monoxide Flammable Gas Sensing

(0)

Good sensitivity to CO/Combustible Gas High sensitivity to Methane, Propane, and CO Long life and low cost Simple drive circuit Input voltage: DC 5±0.2V Current Consumption: 150mA

BDT 160

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BDT 160 tax incl.

BDT 0 Tax

BDT 160 tax excl.

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BDT 160 tax incl.

In-Stock

In stock: 98

Reference: RBD-3469

MH-Z14A NDIR Infrared Carbon Dioxide Sensor Module

(0)

MH-Z14A NDIR CO2 Sensor Module for accurate indoor air monitoring Measurement range 0–10,000 ppm carbon dioxide Advanced NDIR (Non-Dispersive Infrared) technology Multiple outputs: UART, PWM, and Analog (0.4V–2V) Low average current consumption <60mA Compact design with long-term stability and low drift

BDT 4,500

BDT 4,500 tax incl.

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BDT 4,500 tax incl.

BDT 0 Tax

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BDT 0 Tax

BDT 4,500 tax incl.

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In stock: 3

Reference: RBD-3487

ASAIR AO-02 Oxygen Sensor

(0)

ASAIR AO-02 Oxygen Sensor with electrochemical detection Wide measurement range: 0–100% Vol. O₂ Fast response time: T90 < 5 seconds Linear 9–13mV output in air No external power required Ideal for industrial, exhaust, and environmental monitoringCurrent Manufacturing Date: 28-09-2025

BDT 3,350

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BDT 3,350 tax excl.

BDT 3,350 tax incl.

BDT 0 Tax

BDT 3,350 tax excl.

BDT 0 Tax

BDT 3,350 tax incl.

In-Stock

In stock: 5

Gravity: Electrochemical Oxygen / O2 Sensor (0-100%Vol, I2C) Robotics Bangladesh

Reference: RBD-3523

Brand: DFRobot

Gravity: Electrochemical Oxygen / O2 Sensor (0-100%Vol, I2C)

(0)

This full-scale oxygen / O2 sensor employs the original AO2 CiTiceL® oxygen sensor probe and features a measurement range of 0-100%Vol and I2C digital output, which can be adapted to application scenarios including oxygen / O2 generators, automobile exhaust, and air-fuel ratio detection.

BDT 15,990

BDT 15,990 tax incl.

BDT 15,990 tax excl.

BDT 15,990 tax incl.

BDT 0 Tax

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BDT 0 Tax

BDT 15,990 tax incl.

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In stock: 2

Dissolved Oxygen Sensor Membrane Cap Robotics Bangladesh

Reference: RBD-3530

Brand: DFRobot

Dissolved Oxygen Sensor Membrane Cap

(0)

This product is a replacement membrane cap for the Gravity Analog Dissolved Oxygen Sensor, which needs to be used in conjunction with the sensor and electrolyte. There is a transparent oxygen permeable membrane on the membrane cap which is easily damaged. Please take care to protect it. Do not touch it with sharp objects or nails. When using it, you...

BDT 2,750

BDT 2,750 tax incl.

BDT 2,750 tax excl.

BDT 2,750 tax incl.

BDT 0 Tax

BDT 2,750 tax excl.

BDT 0 Tax

BDT 2,750 tax incl.

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In stock: 3

Reference: RBD-3647

BME688 Environmental Sensor Module Temperature, Humidity, Pressure, Gas Detection with AI

(0)

The BME688 is a powerful 4-in-1 environmental sensor module featuring temperature, humidity, barometric pressure, and advanced gas sensing capabilities. This sensor is based on Bosch’s BME68X series and includes support for artificial intelligence (AI) applications such as gas classification and odor analysis. Ideal for smart home systems, weather...

BDT 2,788

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BDT 2,788 tax incl.

BDT 0 Tax

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BDT 2,788 tax incl.

In stock

In stock: 7

Reference: RBD-3648

MQ214 Gas Sensor Methane Detector

(0)

The MQ214 is a high-sensitivity semiconductor gas sensor designed for the detection of combustible gases such as methane, natural gas, liquefied petroleum gas (LPG), and hydrogen. With its fast response and recovery time, long life, and low power consumption, the MQ214 is ideal for both household and industrial gas leak detection systems. Its simple drive...

BDT 250

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BDT 250 tax excl.

BDT 250 tax incl.

BDT 0 Tax

BDT 250 tax excl.

BDT 0 Tax

BDT 250 tax incl.

In stock

In stock: 25

Out-of-Stock

Reference: RBD-3655

SGP30 Multi-Pixel Air Quality Sensor Module TVOC & eCO2

(0)

Monitor your indoor air quality with precision using the SGP30 Multi-Pixel Air Quality Sensor Module. Developed by Sensirion, this compact, high-performance sensor integrates four metal oxide sensing elements into one chip, delivering detailed and reliable measurements of Total Volatile Organic Compounds (TVOC) and equivalent CO2 (eCO2) levels. Ideal for...

BDT 1,390

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BDT 1,390 tax excl.

BDT 1,390 tax incl.

BDT 0 Tax

BDT 1,390 tax excl.

BDT 0 Tax

BDT 1,390 tax incl.

Out-of-Stock

In stock: 0

Reference: RBD-3715

MQ316 Mouth Odor Sensor Semiconductor Gas Sensor for Alcohol, H₂S, CH₃SH

(0)

The MQ316 Mouth Smell Sensor is a semiconductor-based gas sensor designed for detecting gases associated with mouth odor, such as ethanol (C₂H₅OH), hydrogen sulfide (H₂S), and methyl mercaptan (CH₃SH). With its compact size and high sensitivity, this sensor is widely used in breath odor detectors, portable alcohol testers, and air-quality monitoring devices.

BDT 420

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BDT 0 Tax

BDT 420 tax excl.

BDT 0 Tax

BDT 420 tax incl.

In stock

In stock: 20

Reference: RBD-3739

MH-Z19 Infrared CO₂ Sensor Module NDIR Gas Detection 400~5000ppm UART/PWM Output

(0)

The MH-Z19E CO₂ Sensor Module is a compact, intelligent gas detection sensor based on NDIR (Non-Dispersive Infrared) technology. Designed for high accuracy and long-term stability, it can measure CO₂ concentrations in the 400–5000 ppm range, making it suitable for air quality monitoring, ventilation control, and smart home systems.

BDT 3,950

BDT 3,950 tax incl.

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BDT 3,950 tax incl.

BDT 0 Tax

BDT 3,950 tax excl.

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BDT 3,950 tax incl.

In stock

In stock: 5

Reference: RBD-3780

MQ-138 Formaldehyde HCHO & VOC Gas Sensor Module with Alarm Signal Light

(0)

The MQ-138 Gas Sensor Module is a highly sensitive, low-cost solution for detecting formaldehyde (HCHO), volatile organic compounds (VOCs), and other harmful gases in indoor and industrial environments. Manufactured by Winsen Electronics, the MQ-138 uses a SnO₂ (tin dioxide) semiconductor sensing material, which changes conductivity in response to the...

BDT 5,990

BDT 5,990 tax incl.

BDT 5,990 tax excl.

BDT 5,990 tax incl.

BDT 0 Tax

BDT 5,990 tax excl.

BDT 0 Tax

BDT 5,990 tax incl.

In stock

In stock: 4

Reference: RBD-3845

MICS-5524 Carbon Monoxide Hydrogen Methane Alcohol Gas Sensor Detection Module

(0)

This sensor is sensitive to CO ( ~ 1 to 1000 ppm). Ammonia (~ 1 to 500 ppm). Ethanol (~ 10 to 500 ppm). H2 (~ 1 – 1000 ppm). Methane / Propane / Iso-Butane (~ 1,000++ ppm).

BDT 910

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BDT 910 tax excl.

BDT 910 tax incl.

BDT 0 Tax

BDT 910 tax excl.

BDT 0 Tax

BDT 910 tax incl.

In stock

In stock: 8

Reference: RBD-3846

SGP30 TVOC/eCO₂ Air Quality Sensor Module Formaldehyde, CO₂ Multi Gas Sensor with Case

(0)

The SGP30 Air Quality Sensor Module is a high-precision digital multi-pixel gas sensor designed to measure total volatile organic compounds (TVOC) and equivalent CO₂ (eCO₂) concentrations in the air. Built using Sensirion’s CMOSens® technology, the SGP30 offers superior long-term stability, low drift, and high sensitivity — ideal for applications like air...

BDT 2,550

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BDT 2,550 tax excl.

BDT 2,550 tax incl.

BDT 0 Tax

BDT 2,550 tax excl.

BDT 0 Tax

BDT 2,550 tax incl.

Last items in stock

In stock: 2

Reference: RBD-3850

SGP30 Air Quality Sensor Breakout – VOC and eCO₂ Gas Sensor Module

(0)

SGP30 Air Quality Sensor Breakout – VOC and eCO₂ Gas Sensor Module (I²C Interface, Sensirion CMOSens® Technology)

BDT 1,065

BDT 1,065 tax incl.

BDT 1,065 tax excl.

BDT 1,065 tax incl.

BDT 0 Tax

BDT 1,065 tax excl.

BDT 0 Tax

BDT 1,065 tax incl.

In stock

In stock: 9

Reference: RBD-3917

CCS811 CO2 eCO2 TVOC Air Quality Sensor Module

(0)

The CCS811 Air Quality Sensor Module is a digital gas sensor that measures eCO2 (equivalent carbon dioxide) and TVOC (Total Volatile Organic Compounds) levels, allowing accurate air quality monitoring. It is widely used in air purifiers, HVAC systems, smart homes, and environmental monitoring projects.

BDT 4,200

BDT 4,200 tax incl.

BDT 4,200 tax excl.

BDT 4,200 tax incl.

BDT 0 Tax

BDT 4,200 tax excl.

BDT 0 Tax

BDT 4,200 tax incl.

Last items in stock

In stock: 1

Reference: RBD-3918

MP-4 Combustible Gas Sensor Module – Methane, Natural Gas Detection

(0)

The MP-4 gas sensor module is a semiconductor-type sensor designed for detecting combustible gases such as methane (CH₄) and natural gas. Using advanced flat-type semiconductor manufacturing technology, the sensor integrates a micro Al₂O₃ ceramic heater and a metal oxide semiconductor layer with high sensitivity and fast response.

BDT 490

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BDT 0 Tax

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BDT 490 tax incl.

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In stock: 1

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