Reference: RBD-2451

Pulse Sensor 3.3-5V Heartbeat Heart Rate Monitor Sensor

Pulse Sensor 3.3-5V Heartbeat Heart Rate Monitor Sensor Easy to use finger-tip heart rate detector module with built-in noise filter and signal amplification.

Reference: RBD-0241

LM35 Temperature Sensor

31 reviews

Calibrated directly in Degree Celsius (Centigrade) Linear at 10.0 mV/°C scale factor 0.5°C accuracy guarantee-able (at a25°C) Suitable for remote applications Low cost due to wafer-level trimming Operates from 4 to 30 volts Less than 60 mA current drain Low self-heating, 0.08°C in still air Non-linearity only 0.25°C typical  LM35 (working) tested by...

Reference: RBD-0958

Air Quality Breakout - CCS811

4 reviews

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

Reference: RBD-2452

Pulse Heart Rate Sensor Kit For Arduino

This Pulse Sensor is a heart rate sensor designed for Arduino microcontrollers. Development professionals use. The Pulse Sensor Kit brings you all the experience you need, a complete package. The kit includes: A 24inch 3p DuPont line, A soft Velcro Finger Strap, A sensor size sensor ear clip, 4 Velcro dots, and 9 transparent protective dot Pulse Sensor is...

Reference: RBD-0689

LM75A IIC I2C High Accuracy Digital Temperature Sensor

1 review

Operating Voltage: 2.8 V to 5.5 V Accuracy: ± 1.5°C Zero power resistance: 100 KΩ Operating temperature range: -55 ~ +125 ℃

Reference: RBD-1377

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

1 review

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

Reference: RBD-0695

MAX31865 SPI RTD PT100 to Digital Converter Module

Integration Lowers System Cost, Simplifies Design Efforts, and Reduces Design Cycle Time High Accuracy Facilitates Meeting Error Budgets 15-Bit ADC Resolution; Nominal Temperature Resolution 0.03125NC (Varies Due to RTD Nonlinearity) Total Accuracy Over All Operating Conditions:

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

Reference: RBD-0830

Thermocouples - K Type 800C WRN-291 200mm Rod

2 reviews

Thermocouples - K Type 800C WRN-291 200mm Rod 7.8 inch Rod/ 200mm Rod Temperature measurement range is from 0 celsius to 800 celsius degree.  Screw Type

Reference: RBD-1654

5 In 1 Portable CO2 Detector Air Quality Detector Intelligent Air Detector

3 reviews

5 In 1 Portable  CO2 Detector Air Quality Detector Intelligent Air Detector Temperature and Humidity Sensor Carbon Dioxide Monitor TVOC Formaldehyde Detection HCHO Detector  Color Black

Reference: RBD-0923

DHT22 Original AM2302 Digital Temperature Humidity Sensor Module

18 reviews

Measuring range: temperature -40-80 ℃; humidity 0; 99.9%RH Measurement accuracy (25℃): temperature: + 0.5; humidity: + 2%RH (10; 90%RH) Resolution: temperature: 0.1 ℃, humidity: 0.1%RH Attenuation value: temperature: <1℃ / year; humidity: < 1%RH/ years High precision Capacitive type Full range temperature compensated Relative humidity and...

Reference: RBD-1716

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

1 review

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-1042

Capacitive Soil Moisture Sensor

7 reviews

Operating Voltage: 3.3 ~ 5.5 VDC. Operating Current: 5mA. Interface: PH2.54-3P. Dimensions mm(LxWxH): 98 x 23 x 4. Supports 3-Pin Gravity Sensor interface Analog output. Weight (gm): 15.

Reference: RBD-1719

Envitec OOM202 Medical Ventilator Oxygen Sensor

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

Reference: RBD-1049

Snow Rain Drops Steam Detection Sensor Module

Operating voltage: 5V Provide both digital and analog output Adjustable sensitivity Output LED indicator Compatible with Arduino TTL Compatible Bolt holes for easy installation

Reference: RBD-1751

MP-135 MP503 Air Quality Sensor Module

1 review

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

Reference: RBD-1062

AMG8833 IR Infrared 8*8 Thermal Imager Array Temperature Sensor

Temperature detection of the two-dimensional area: 8 × 8 (64 pixels). Digital output (capability of temperature value output). Compact SMD package (adaptively to reflow mounting). RoHS compliant.

Reference: RBD-1934

MQ-136 Hydrogen Sulfide Gas Sensor

1 review

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-1063

W1209 Digital Temperature Controller

15 reviews

Temperature Control Range(°C): -50 to +110 Resolution @-9.9°C to +99.9°C: 0.1°C Resolution @all temperatures: 1°C Accuracy: 0.1°C Refresh Rate(s): 0.5 Supply Voltage(V): 12 Measuring Inputs: NTC10K Cable Length: 0.5 Meter Output Type: 1 Channel Relay Output Capacity: 10A

Reference: RBD-1966

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

1 review

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

Reference: RBD-1168

Digital TDS Meter Monitor TEMP PPM Tester

1 review

Item Name: TDS meter Meter Material: Plastic Display: LCD Digital Accuracy: +/- 2% Range: 0-9990 ppm

Reference: RBD-2075

MQ-2 Gas Sensor Module

1 review

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

Reference: RBD-1190

NTC Thermistor 10K

12 reviews

Temperature Coefficient Type: NTC Thermal Time Constant: 10s Resistance  10kΩ Tolerance: ±1% Maximum Power Rating: 75mW Maximum Operating Temperature: +150°C Minimum Operating Temperature: -80°C Dimensions(dia.): 2 mm Length: 30mm Application: Compensation, Control, Measurement, etc.

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-1198

DS18B20 Digital Thermometer

3 reviews

Industrial Systems Consumer Products Thermometers Thermally Sensitive Systems

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-1179

LM35 Temperature Sensor Waterproof

6 reviews

Temperature measuring range: 0...100°C Typical Input Voltage:3.3VDC,5VDC Operating Current:60uA Interface: Analog ** We've received reports from some customers that they were unable to make the product work. To avoid any inconvenience, we suggest that you refrain from making a purchase unless you're confident that you can use it successfully.

Reference: RBD-2508

ENS160 AHT21 Carbon Dioxide CO2 eCO2 TVOC Air Quality Temperature & Humidity Sensor

The ENS160 is a digital multi-gas sensor specifically designed for indoor air quality testing that optimizes the detection of a wide variety of gases and volatile organic compounds (VOCS), including toluene, hydrogen, ethanol, N02 and ozone. The air quality sensor is used in home and building automation, consumer products, electrical and air purification

Reference: RBD-1365

Uni-T UTi85H+ Professional Thermal Imager

1 review

Central point temperature measurement high/low temperature auto tracking real-time temperature display  Alarm buzzer: >37.2ºC: high temperature audible alarm

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-1366

Infrared Temperature Gun Digital Thermometer

1 review

DT8380FC Infrared Thermometer Item no.: DT8380FC Temperature Range: -50~380°C/-58~716°F Measuring Accuracy: ±2% or 2C Distance Ratio: 12:1

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...