Reference: RBD-0674

MQ-5 Smoke Gas Detector Sensor

Model: MQ-5 Operating Voltage: 5V DC Operating Temparature:-20~40 degree celcius

Reference: RBD-2729

SGP41 Air Quality Digital TVOC Detection Sensor

The SGP41 from Sensirion is an innovative VOC and NOx sensor engineered to serve as a digital smart switch and regulation unit in air treatment systems like air purifiers. Utilizing Sensirion's advanced Gas Index Algorithm, the sensor accurately processes two distinct signals, enabling automatic triggering of air treatment devices for the removal of...

Reference: RBD-3115

MQ-131 Ozone Gas Detector Sensor Module

Fast response characteristics Mounting holes to facilitate fixed installation The probe can plug design for easy testing. Signal light indicates the output Dual signal output (analog output, and TTL-level output) TTL output valid signal is low; (low output signal light, can be accessed by the microcontroller IO port)

Reference: RBD-2835

Explosive Gas Sensor Figaro TGS813-A00 Original

The sensor has high sensitivity to gases such as methane, propane, butane and hydrogen. The supply voltage is 24 V. Measuring range is up to 10,000 ppm.

Reference: RBD-0677

MQ-8 Hydrogen Gas Sensor

Using high-quality dual-panel design, with power indicator and TTL signal output instructions. The switching signal having a DO (TTL) output and analog output AO. TTL output valid signal is low. The higher the voltage, the concentration of the analog output voltage is higher. A hydrogen gas detection with good sensitivity. Has a long life and reliable...

Reference: RBD-0812

High Accuracy I2C MAX30105 Particle Optical Sensor Photodetectors Oximeter Module

Based on MAX30105 – heart rate, oximeter, smoke sensor Green, red, and infra-red LEDs Interface: I2C (address 0x57) Compatible with 3.3V and 5V logic levels.

Reference: RBD-1716

PM2.5 Air Quality Sensor PMS5003 High Precision Digital Output Module

Working Voltage: 5.0V Maximum Working Current: 100mA Data Interface Level: L＜0.8V, H>2.7V, maximum voltage level 3.3V Particle Measurement Range: 0.3 ~ 1.0μm; 1.0 ~ 2.5μm; 2.5 ~ 10μm Note: Please purchase this adapter board to use it with Arduino and Raspberry Pi. 

Reference: RBD-0679

MQ-135 Gas Sensor

Sensitivity to Ammonia, Sulfide and Benzene steam Sensitive for benzene, alcohol, smoke Fast response and recovery Adjustable sensitivity. RoboticsBD Signal output indicator Output voltage boosts along with the concentration of the measured gases increases.

Reference: RBD-3116

MQ-214 Methane Sensor Combustible Gas Sensor

The MQ-214 methane (CH4) gas sensor is specifically designed for the accurate detection of methane concentrations in the air, delivering analog voltage outputs proportional to gas levels. Renowned for its wide detection range, rapid response time, high sensitivity, and long-term durability, this sensor is an excellent solution for gas leakage detection in...

Reference: RBD-0678

MQ-9 Gas Leakage Detection Sensor

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

Reference: RBD-0671

MQ-2 Flammable Gas & Smoke Sensor

Operating Voltage:+5V Preheat Duration:20 s Analog Output Voltage:0 to 5 V Dimension:36x20x21 mm. RoboticsBD

Reference: RBD-0672

MQ-3 Alcohol Gas Sensor

Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off). Current Consumption: 150mA. RoboticsBD DO output:  0.1 and 5V. AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V Detecting Concentration: 0.05-10mg/L Alcohol.

Reference: RBD-1377

CJMCU-4541 MICS-4514 Carbon Monoxide Nitrogen Oxygen Sensor CO/NO2/H2/NH3/CH4

Module Name:CJMCU-4541 Sensor: MICS-4514 Type: Carbon Monoxide Nitrogen Oxygen Sensor

Reference: RBD-0958

Air Quality Breakout - CCS811

Five Operating Modes Integrated MCU Onboard Processing Standard I2C Digital Interface Optimized Low-Power Modes Optional NTC Thermistor Pins

Reference: RBD-2075

MQ-2 Gas Sensor Module

MQ-2 Smoke Gas Detector Sensor  ME084 Module for Arduino Operating Voltage:+5V Preheat Duration:20 s

Reference: RBD-2730

SGP40 Air Quality Digital TVOC Detection Sensor

The SGP40 is a digital gas sensor designed for easy integration into air purifiers or demand-controlled ventilation systems. Sensirion’s CMOSens® technology offers a complete, easy-to-use sensor system on a single chip featuring a digital I2C interface and a temperature-controlled micro hotplate, providing a humiditycompensated VOC based indoor air...

Reference: RBD-1719

Envitec OOM202 Medical Ventilator Oxygen Sensor

Envitec Honeywell OOM202 Medical Ventilator Oxygen Sensor Made in GermanyManufacture Date: 2023 December

Reference: RBD-1966

Smart Gas Leak Detector Tuya Wifi Smart Natural Gas Alarm Sensor with LCD Display

Tuya Smart Wifi Wireless Natural Gas Leak Detector Gas Sensor Household Combustible LPG Gas Leak Alarm Detector With LCD Display

Reference: RBD-3101

MQ-137 Ammonia Gas NH3 Sensor Module

Wide detecting scope Fast response (less than 1s) High sensitivity( 3%) the circuit voltage: DC5V Stable and long life Operating Voltage is +5V Detect/Measure NH3, Ammonia

Reference: RBD-0431

Formaldehyde/ Formalin Detection Sensor CJMCU-1100 MS1100

Working temperature : -10℃ ~ 50℃ Working humidity : below saturation point Storage temperature : -20℃ ~ 80℃ RoboticsBDPCB Color: Red or Purple 

Reference: RBD-1751

MP-135 MP503 Air Quality Sensor Module

Detection Gas: H2, Alcohol, CO, VOC  Detection Range: 10～500ppmH2 5～500ppm Alcohol 10～500ppm CO Air Quality Sensor Module

Reference: RBD-1934

MQ-136 Hydrogen Sulfide Gas Sensor

Dual signal output (analog output and TTL level output) The TTL output effective signal is low. Analog output 0 ~ 5V voltage, the higher the concentration the higher the voltage. Good sensitivity to hydrogen sulfide, liquefied gas, natural gas, city gas, and smoke. with long service life and reliable stability fast response recovery characteristics

Reference: RBD-2497

DFRobot Fermion MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)

Compact size, measuring only 13*13*2.5mm Low power consumption High sensitivity and rapid response recovery Advanced MEMS technology Gas detected: CO Sensitivity: R0(in air) / Rs(in 150ppm CO) ≥ 3 Lifespan: ≥5 years (in air)

Reference: RBD-2794

Ultrasonic oxygen sensor OCS-3F with LCD and Power Supply

All-in-one Oxygen Monitoring: This complete kit combines the OCS-3F ultrasonic sensor with an LCD display and power supply for convenient oxygen concentration and flow rate monitoring. Enhanced User Experience: The large LCD screen displays real-time oxygen concentration (21% - 95.6%), flow rate (up to 20 L/min), and room temperature for clear and easy...

Reference: RBD-2325

Brand: DFRobot

Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino

This is a dissolved oxygen sensor kit. A dissolved oxygen meter is used to measure the dissolved oxygen in water, to reflect the water quality. It is widely applied in many water quality applications, such as aquaculture, environment monitoring, natural science, etc.  There’s an old saying regarding keeping fish, “Good fish deserves good water”. Good...

Reference: RBD-2667

MG811 (Co2) Carbon Dioxide Gas Sensor

MG811 (CO2) Carbon Dioxide Gas Sensor Metal Oxide Sensor Highly sensitive to CO2 Less sensitive to alcohol and CO Analog and digital output options Compatible with Arduino & Raspberry Pi Wide detecting scope

Reference: RBD-2839

Explosive Combustible Gas Sensor TGS813

The TGS 813 Combustible Gas Sensor is a versatile and reliable solution for detecting a wide range of combustible gases. With its high sensitivity and long life, this sensor is ideal for applications such as domestic gas leak detectors, portable gas detectors, and more. This is generic TGS813 Manufactured in China

Reference: RBD-2793

Ultrasonic oxygen sensor OCS-3F

Cost-Effective Oxygen Detection Dual Detection Reliable Performance Versatile Outputs Compact & Easy to Use *Not a medical device*

Reference: RBD-0675

MQ-6 LPG Gas Sensor

Model: MQ-6 Operating Voltage: 5V DC Detecting Range:200-10000 ppm Relative Humidity:<95% RH

Reference: RBD-1640

12V Gas Detector Sensor Alarm Propane Butane LPG Natural

Color: White Material: Metal + Plastic Operating Voltage : 12V DC Standby Current : ≤90mA Alarm Current : ≤100mA