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-1756

TMP36 Temperature Sensor

7 reviews

TMP36 Temperature Sensor Low Voltage Temperature Sensors

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

Reference: RBD-2338

DHT22 Digital Temperature Humidity Sensor Module

High precision Capacitive type Full range temperature compensated Relative humidity and temperature measurement Calibrated digital signal Check out the Authentic DHT22 module

Reference: RBD-2343

AHT10 High Precision Digital Temperature And Humidity Measurement Module

Interface type: I2C Working voltage: 1.8 – 6.0 V Interface size: 4*2.54mm pitch Humidity accuracy: typical ± 2% Humidity resolution: 0.024% Temperature accuracy: typical ± 0.3 ° C

Reference: RBD-2380

CJMCU-1080 HDC1080 High Precision Temperature And Humidity Sensor Module

The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated.

Reference: RBD-2384

MLX90640BAA 32*24 Thermal Imager Array Temperature Sensor Module

Module for measuring infrared temperature Uses the GY-MCU90640 MLX90640 BAA 32*24 dot matrix sensor Field of view angle of 110*75 degrees Ambient temperature range of -40 to 85 degrees Target temperature range of -40 to 300 degrees Serial output frequency supports up to 16HZ baud rate 460800

Reference: RBD-2385

MLX90640BAB 32*24 Thermal Imager Array Temperature Sensor Module

Module for measuring infrared temperature Uses the GY-MCU90640 MLX90640 BAA 32*24 dot matrix sensor Field of view angle of 55*34 degrees Ambient temperature range of -40 to 85 degrees Target temperature range of -40 to 300 degrees Serial output frequency supports up to 16HZ baud rate 460800

Reference: RBD-2482

DS18B20 Temperature Sensor Module

1 review

Module utilizes the popular 1-Wire DS18B20 temperature measurement IC.

Reference: RBD-2555

Humidity Sensitive Relay Module 5V

This is a self-contained switching module that energizes / de-energizes a relay based on the humidity level.   Just add 5V power and hook up the load you want to control then adjust the potentiometer to set the relative humidity level at which you want the relay to switch between ON / OFF. This type of module can be used for applications such as to...

Reference: RBD-2654

DHT11 Temperature And Humidity Sensor Module

The DHT11 Temperature And Humidity Sensor Module with LED is a small humidity and temperature sensor that you can connect to your Arduino and get readings for temperature and humidity in the environment.

Reference: RBD-2683

XH-M452 Temperature and Humidity Control Module with Digital Display

XH-M452 DC 12V LED Digital Thermostat Temperature Humidity Control Module The XH-M452 temperature and humidity control module is a versatile and precise solution for temperature and humidity regulation in various applications. With a power supply of DC 12V, this module offers reliable performance and accuracy. Key Specifications: Power supply: DC 12V...

Reference: RBD-2728

XH-W1219 Temperature Controller Module

Temperature controller module for both heating and cooling applications.

Reference: RBD-2745

LSM9DS1 9DOF Accel/Mag/Gyro/Temp Sensor Module

The LSM9DS1 is a versatile, motion-sensing system-in-a-chip. It houses a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer – nine degrees of freedom (9DOF) in a single IC! The LSM9DS1 is equipped with a digital interface, but even that is flexible: it supports both I2C and SPI, so you’ll be hard-pressed to find a microcontroller it doesn’t...

Reference: RBD-2806

K Type Thermocouple Temperature Sensor 100mm Probe 0‑400℃

K Type Thermocouple Temperature Sensor 100mm Probe 0‑400℃

Reference: RBD-2840

DHT11 Digital Temperature and Humidity Sensor Original

The DHT11 digital temperature and humidity sensor is a versatile composite sensor designed for accurate measurement of temperature and humidity levels. With its calibrated digital signal output and advanced sensing technology, the DHT11 ensures reliable performance and excellent long-term stability. This sensor features a resistive wet sensor and an NTC...