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-1670

ESP8285 IR Infrared Transmitter Receiver Module WIFI Remote Control Switch

The smallest 802.11b/g/n Wi-Fi SoC module Uses low power 32bit CPU and compatible with the application processor Main frequency up to 160MHz Built-in 10Bit high precision ADC Support UART/GPIO/PWM/ADC interface Integrate Wi-Fi MAC/BB/RF/PA/LNA

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-1727

IR Infrared Transmitter Module

1 review

This is 38KHz Infrared IR transmitter sensor module For Arduino Transmit 38KHz modulating signal Suitable for Arduino DIY project Material: PCB

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-1728

IR Digital 38khz Infrared Receiver Sensor Module

IR Digital 38khz Infrared Receiver Sensor Module

Reference: RBD-1859

Photoelectric Sensor CDD-11N Diffuse NPN Infrared Metal Body NO+NC

CDD-11N NPN Output Photoelectric sensor  Epoxy filled housing ensures resistance to vibration Rigid Nickel Plated Brass housing This is NPN Output CDD-11N. For PNP Output CDD-11P please check here

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-2056

PT-100 RTD Temperature Sensor 3 Wire 50cm

1 review

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-2095

Infrared Obstacle Avoidance Sensor Module

2 reviews

Detection distance: 2-40cm IO Interface: 4-wire interfaces (- / + / S / EN) Output signal: TTL level Adjustment: adjust multi-turn resistance Effective angle: 35 ° **Please be advised that the majority of our customers have left negative reviews for this product. We recommend that you do not make a purchase unless you are absolutely certain that you can...

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-2096

Eye Blink Detection Digital Sensor with Goggles

Operating Voltage: 3-5.5V Supply Current: ≥ 20mA Optimal Sensing Distance: 3mm Working voltage of 5V, the output of the black line low, white line of high output Uses Infrared Light to Detect Anti-Interference Ability Sensors to adopt TCRT5000 High Sensitivity, Stable Performance Exquisite workmanship, with the indicator Has a fixed bolt hole for easy...

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-2103

IR Remote Control without Battery

4 reviews

Remote control distance: more than 8 meters Crystal: the oscillation frequency of 455 IR carrier frequency: 38KHz Output form: Digital Power Supply: CR2032 Battery Pointing Angle: up to 60º Button: free height is less than 3mm, the force 200-350g, the life of more than 200 000 click

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-2125

QRE1113 Reflective Optical Sensor

1 review

Phototransistor output  No contact surface sensing  Miniature package

Reference: RBD-2094

DHT11 Digital Relative Humidity and Temperature Sensor Module

4 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-2210

Photoelectric Switch DC6-36V E3F-DS30C4 NPN NO Proximity Sensor Switch 10-30cm

1 review

Photoelectric switch sensor DC 10-30V power supply Working current: 200mA Induction distance: 5-30cm Response time: 1ms Output form: DC three-wire normally open NPN NO Detection object: Transparent / opaque object

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-2215

4 Channel Infrared Line Following and Obstacle Sensor

Working voltage (V): 3.3 ~ 5 Working current (A): Above 1A Operating Temperature (℃): -10 ~ +50 Mounting hole: M3 Detection range: 1mm ~ 60 cm adjustable.

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-2330

AS7343 Visible Spectrum Infrared Color Spectrometer Sensor

The AS7343 is a 14-channel highly versatile, multi-purpose spectral sensor enabling new consumer, commercial, industrial and laboratory applications. It is optimized for reflective, transmissive and emissive measurements including color matching, fluid or reagent analysis or general spectral reconstruction. The spectral response is defined by individual...

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-2332

5mm Infrared Emitter and Detector

2 reviews

Infrared Photodiode Transmitter 5mm Infrared Photodiode Receiver 5mm

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-2420

HW-488 Infrared Obstacle Avoidance IR Sensor Module

1 review

Detection distance: 2-40cm IO Interface: 4-wire interfaces (- / + / S / EN) Output signal: TTL level Adjustment: adjust multi-turn resistance Effective angle: 35 °

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-2474

TSAL620 Super-bright 5mm IR LED 940nm High Power Infrared Emitting Diode

1 review

Infrared LEDs are used for remote controls (they're the little LED in the part you point at your TV) and 'night-vision' cameras, and these little blue guys are high powered ones! They are 940nm wavelength, which is what nearly all devices listen to. They're 20 degree beamwidth, and work great for any kind of remote control application.

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-2598

Brand: RoboticsBD

Digital Line Following Sensor 8 Array V2

2 reviews

Precise Line Following: Navigate black lines on white surfaces with 8 high-resolution sensors. Easy Microcontroller Integration: Connect directly to your microcontroller with digital outputs. Fast and Responsive: Achieve accurate line following even at high speeds. Simple Calibration: Calibrate sensors quickly and easily with a large knob. Versatility:...

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