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-2132

GSR Galvanic Skin Response Module Current Sensor Kit Measurable Skin Resistance Conductivity Sensor

1 review

GSR Galvanic Skin Response Module for measuring skin resistance and conductivity Size: 34mm x 25mm Power interface pin for easy connectivity Working current: 1mA Power voltage: 3.3-5V

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-2146

Galvanic Skin Response GSR Sensor

3 reviews

Operating voltage:3.3V/5V Sensitivity: Adjustable via a potentiometer Input Signal: Resistance, NOT Conductivity Output Signal: Voltage, analog reading Finger contact material:  Nickel

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-2139

GSR Skin Sensor CJMCU-6701 Analog SPI Module

GSR Skin Sensor CJMCU-6701 Analog SPI Module Measures the electrical conductance of the skin (Galvanic Skin Response) Reflects human emotional activity and stress levels Suitable for creating emotion-related projects and sleep quality monitors Utilizes a precise 12-bit AD converter for accurate readings

Reference: RBD-1374

DHT21 AM2301 Temperature & Humidity Sensor

Model: AM2301. Supply voltage: 3.3 ~ 5.2 V DC. Signal output form: Digital signal output. Temperature measurement range: -40 ~ +80 ºC. Temperature measurement precision: ± 0.5ºC Humidity range: 10%~90%RH. Humidity measurement precision: ±3%RH.

Reference: RBD-2152

Human Presence Radar LD2410 Respiration and Heartbeat Monitoring Non-contact Induction Sensor

Human Presence Radar LD2410 Respiration and Heartbeat Monitoring Non-contact Induction Sensor High-sensitivity 24GHz sensing module

Reference: RBD-1383

Smart Sensor AR320 Infrared Thermometer

1 review

Laser Pointer for Accurate Temperature Reading | Auto Data Hold Temperature Measurement Range: -32℃ ~ 320℃ (-26℉ ~ 608℉) Accuracy: ±2℃ / ±2% | Resolution: 0.1℃ or 0.1℉ Response Time & Wavelength: 500ms & (8-14)um | Distance Spot Ratio 12:1 Automatic Data Hold | Auto Shut Off | Rubberized Handle for Grip and Low Impact Resistance

Reference: RBD-1561

RTD PT100 Temperature Sensor Transmitter 4-20mA Output

1 review

4-20mA -50 - 150C WEIGHT: 350.00g DIMENSIONS: 4.00cm x 4.00cm x 1.50cm

Reference: RBD-2303

MAX30102 Heart Rate and Pulse Oximeter Sensor Module

4 reviews

LED peak wavelength: 660nm/880nm LED power supply voltage: 3.3~5V Detection signal type: light reflection signal (PPG) Output signal interface: I2C interface

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-2326

Brand: DFRobot

Gravity Analog Heart Rate Monitor Sensor (ECG) for Arduino

The DFRobot Heart Rate Monitor Sensor is used to measure the electrical activity of the heart. This electrical activity can be charted as an ECG and output as an analog reading. An ECG signal can be extremely noisy so we have included an AD8232 chip which will generate a clear signal from the PR and QT Intervals. Using the Arduino IDE "Serial Plotter"...

Reference: RBD-1671

ESP32 DHT11 WIFI Bluetooth Temperature Humidity Soil Moisture Sensor Module for Arduino

2 reviews

ESP32 Bluetooth Wi-Fi development board, support NodeMCU / Arduino DHT11 temperature and humidity sensor CP2104 communication chip USB TO TTL Micro USB port Soil probe (long) soil temperature and humidity detection module 18650 Lithium Battery Holder Powered (Battery is not included)

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-1756

TMP36 Temperature Sensor

7 reviews

TMP36 Temperature Sensor Low Voltage Temperature Sensors

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-1384

GM300E Non-Contact Digital Laser Infrared Thermometer

OUT OF STOCK Try Alternative Product Wide Temperature range: -50~+420°C or -58~788°F High accuracy of ±1.5% or ±1.5°C Whichever is greater Distance Spot Ratio of 12:1 °C/°F Selection Auto Data Hold Laser Target Pointer ON/OFF selection Backlight ON/OFF selection Auto Power Off if idle or no operation in 7sec Large LCD Screen w/ easy to read Instant...

Reference: RBD-2552

R503 Waterproof Capacitive Fingerprint Module Sensor Scanner

R503 Fingerprint Sensor is a device that allows you to read and save up to 200 fingerprints through a touch panel, it also contains a configurable LED light indicator. This sensor is small and easy to use, it has a wide detection range, a nut so you can install it easily and it has 6 pins, 2 for power, 1 for the finger detection signal, another for the...

Reference: RBD-1946

GY-BME280 3.3V Temperature and Humidity Sensor

4 reviews

Comes with the BME280 sensor. Pressure accuracy of ±1 hPa. Temperature accuracy ±1.0°C. Altimeter accuracy ±1 meter. Humidity: +-3%

Reference: RBD-2561

Open Smart Optical UART Serial Fingerprint Recognition Sensor Module with Adapter for Arduino

Introducing the Fingerprint Recognition Sensor with UART TTL serial port—an easy-to-use biometric solution that can be seamlessly integrated into your projects. The Fingerprint Sensor Adapter module and the included 6-pin cable ensure compatibility with Arduino, making fingerprint detection and verification straightforward. This optical fingerprint sensor...

Reference: RBD-2056

PT-100 RTD Temperature Sensor 3 Wire 50cm

Mounting form Polish rod probe The Probe material: Stainless steel Probe diameter: 4mm Length of the probe: 30mm Cabel material Silver plated copper (not insulated), PTFE Silver plated copper (Waterproof, insulated) Accuracy ±(0.3°C+0.5%|t|) Thermal response time: <0.5s

Reference: RBD-2710

Eye Blink Detection Analog Sensor with Goggles High Quality

Why is an analog eyeblink sensor better than a digital eyeblink sensor? Currently, most eye blink sensors on the market are digital. they can only distinguish between the eye being fully closed or fully open, unable to detect partial blinks or quick blinks. However, the analog sensor provides waveforms. By analyzing analog values, you can detect full...

Reference: RBD-2083

Analog Temperature Sensor Module

3 reviews

Operating Voltage : 5v. Temperature measurement range : -55°C to 125°C. Measurement Accuracy : ±0.5°C.

Reference: RBD-2722

Person Sensor by Useful Sensors

Add computer vision capabilities to your project, without the coding! The Person Sensor includes a camera module pre-programed and connected over Qwiic... Person Sensor  V1.1 by Useful Sensors

Reference: RBD-2084

Digital Temperature Module

1 review

Power supply: 3 – 5V Good sensitivity The output format: Digital switching output (0 and 1) The comparator output signal is clean, good waveform, driving ability, more than 15mA. A fixed bolt holes for easy installation. Using a wide voltage LM393 comparator.

Reference: RBD-2888

Heartbeat Detection Sensor

A sensor that allows you to measure your pulse with your finger using a phototransistor. The red LED lights up each time it detects a pulse. Powered by 5 V.

Reference: RBD-2091

MY18E20 DS18B20 Compatible Temperature Sensor Module

1 review

Digital signal output 18B20 Temperature Sensor Chip (MY18E20 or DS18b20) Resolution adjustment ranges from 9-12 bytes. Send data via a pin Temperature measurement ranges: -55°C to +125°C, be accurate to 0.5°C.Compatible with DS18B20

Reference: RBD-2094

DHT11 Digital Relative Humidity and Temperature Sensor Module

3 reviews

The module can detect the surrounding environment of the humidity and temperature High reliability and excellent long-term stability The output from the digital output Humidity measuring range: 20%~90%RH(0~50 degree (temperature compensation). Temperature measuring range: 0~+50degree. Humidity measurement accuracy: ±5.0%RH. Temperature measurement...

Reference: RBD-2169

US1000-21A Integrated Ultrasonic Underwater Sensor

US1000-21A ultrasonic flow sensor  ultrasonic heat meter sensor  Underwater Sensor  high-frequency ultrasonic sensor Model: US1000-21A High frequency type ultrasonic underwater sensor Transceiver category Nominal frequency: 1.0MHz ± 5% Bandwidth: 200.0KHz

Reference: RBD-2217

LM35D Analog Temperature Sensor Module

Based on the semiconductor LM35 temperature sensor Can be used to detect ambient air temperature Calibrated directly in °Celsius (Centigrade) Linear + 10 mV/°C Scale Factor 0.5°C Ensure accuracy (at +25°C) Low power consumption, less than 60uA Low output impedance, 1mA current through only 0.1Ω With screw holes for easy installation and fixed. Aperture...

Reference: RBD-2249

20mm 2.4Mhz Ultrasonic Mist Maker Fogger Atomizing Transducer

3 reviews

Made From High-Quality Materials. Electronic High-Frequency Oscillations (2.4MHz). Material: Ceramic, Wire Diameter: Atomizer: 2cm/0.79in; Sealing ring: 2.5cm/0.98in