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-2420

HW-488 Infrared Obstacle Avoidance IR Sensor Module

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-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-2443

Collision Switch Module

The Collision Switch Module is used to detect a collision with an object or to detect the limit of travel.

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-2444

Optical Endstop Switch with 1m Cable

Designed for use as an endstop for 3D printers but it can be used for other IR beam interrupter purposes as well.

Reference: RBD-2728

XH-W1219 Temperature Controller Module

Temperature controller module for both heating and cooling applications.

Reference: RBD-2445

HY-SRF05 Ultrasonic Range Finder Module

Uses ultrasonic sound waves to detect obstacles and measure distance

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-2446

HC-SR04 Plus Ultrasonic Sonar Sensor 2021 3.3V-5V

1 review

This is the updated 2021 version of the HC-SR04 Ultrasonic Sensor, offering enhanced features and improved flexibility. Notably, the input voltage now ranges from 2.8V to 5.5V, providing compatibility with a wider range of microcontrollers, including both 3.3V and 5V systems. Mode 1: GPIO (General Purpose Input/Output) Mode 2: I2C (New Feature) Mode 3:...

Reference: RBD-2806

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

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

Reference: RBD-2507

GY-US42 V2 i2c Pixhawk APM Flight Control Ultrasonic Distance Measurement Module

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...

Reference: RBD-2543

LPB40B IP65 DToF Single-Point Ranging LiDAR Sensor (0.05-40m, UART)

The LPB40B Single-Point Ranging LiDAR based on the DToF principle. The DToF technology enables the laser radar to work stably under strong outdoor lighting, further improving the stability and accuracy of distance measurement. It is capable of withstanding up to 100klux of ambient light, with a range of up to 40m indoors and outdoors. The overall accuracy...

Reference: RBD-2841

Humidity Sensor SYH-2R - no case

The Humidity Sensor SYH-2R is an analog air humidity sensor designed to accurately measure humidity levels by changing resistance in response to varying humidity conditions. Operating within a wide range from 10% to 95% relative humidity (RH), this sensor provides reliable data on ambient moisture levels. The sensor module comes without a case, offering...

Reference: RBD-2553

A0221AU / A02YYUW Waterproof Ultrasonic Distance Sensor (3~450cm, UART, IP67)

Ultrasonic distance sensor determines the distance to a target by measuring time lapses between the sending and receiving of the ultrasonic pulse. This is an easy-to-use commercial-grade ultrasonic sensor module of high performance and reliability, featuring much smaller blind zone, wider sensing angle and a certain penetration power(smog, dust) compared...

Reference: RBD-2845

PT-100 RTD High Temperature Sensor 3 Wire PT100 Probe 7x200mm

Waterproof analogue sensor with the high temperature working in the range from -200°C to 420°C. The output is resistance dependent on temperature. Probe length is 200 mm.

Reference: RBD-2661

IR Beam Interruption Sensor - LED 3mm - 0-50 cm

The sensor reacts to an interruption in the beam of infrared light that is transmitted between the transmitter and receiver. When the beam is interrupted by another object, the receiver signals this event by lighting up. The module is equipped with a 3 mm IR LED with an illumination angle of 10°. Beam interruption systems are used e.g. in measuring gates.

Reference: RBD-2846

DHT11 Digital Temperature and Humidity Sensor

The DHT-11 Digital Temperature and Humidity Sensor is a compact and reliable sensor that can measure temperature and humidity with high accuracy. This sensor features a single-wire interface, making it easy to integrate with microcontrollers and other electronics projects. The DHT-11 has a temperature measurement range of 0°C to 50°C with an accuracy of...

Reference: RBD-2723

E18-D80NK Proximity Sensor Module Mounting Bracket

This acrylic mounting bracket fits the E18-D80NK Infrared Proximity sensor.

Reference: RBD-2892

ESP8266 ESP-01 ESP-01S DHT11 Temperature and Humidity WiFi IOT Sensor Node

Model: SNA118 Material: Plastic Plastic Type: PC Tool Supplies: CuttingDoes not Include ESP Wireless Module

Reference: RBD-2790

Hall-Effect Sensor - US1881 (Latching)

The US1881 is an integrated Hall-Effect latched sensor. That's nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sensor also works nicely, but can be limited by the glass encapsulation and size. A Hall-Effect sensor is much smaller, but can handle less current...

Reference: RBD-2799

Ultrasonic Distance Sensor - 3.3V HC-SR04 RCWL-9610

This is the HC-SR04-33 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04-33 module includes an ultrasonic transmitter, a receiver and a control circuit. There are only four pins that you need to worry about on the HC-SR04: VCC...

Reference: RBD-2804

SN04-N NPN NO 5mm Distance Detector Proximity Sensor Switch Module

Operating Voltage(V): 5 ~24 Current Consumption Max: 5 mA Detection distance(mm): 5 mm. Type of detection: Inductive. Cable Length: 145 cm. Response Frequency: 500Hz Max. Protection class: IP 67.

Reference: RBD-2836

TCRT 5000 Dual Channel Line Tracking Sensor

Operating Voltage: 3.5V-5V Supply Current: 15mA Optimal Sensing Distance: 3mm Designed with the reflected infrared sensor, indicator light. Built in a potentiometer for sensitivity control. On-board LM393 voltage comparator chip and infrared sensing probe TCRT5000L Signal detection sensitivity can adjust Reserve all the way more circuits (P3 voltage drawn)

Reference: RBD-2763

Optical Infrared Reflective Sensor Module

Uses infrared to detect a reflective line on the floor.

Reference: RBD-2842

QRE1113 IR LED Infrared Reflection Sensor Module

The QRE1113 breakout board offers a digital output solution, utilizing a capacitor discharge circuit to assess reflection levels. This compact board is designed for line sensing applications, particularly suitable when only digital I/O pins are available in the system. It is compatible with both 3.3V and 5V systems, providing versatility in various...

Reference: RBD-2848

Magnetic Sensor Door/Window - Reed Switch

Wireless proximity sensor activated magnetically. The device is used mainly to determine the position of doors and windows. Case dimensions - 11 x 16 mm.

Reference: RBD-2847

Magnetic Sensor to open Door/Window - Reed Contact CMD20

Wired proximity sensor activated magnetically. The device is used to determine the position of doors and windows. Case dimensions - 20 x 64 mm.

Reference: RBD-2891

40KHZ 16mm Ultrasonic Sensor 40KHZ Receiver Transmitter R and T TCT40-16T/R

The 40kHz 16mm ultrasonic sensor can detect objects in a certain area and gives the distance value between the sensor and the object. The sensor has an operating frequency of 40 KHz. 40 KHz signals propagate as sound waves in the direction of the target, and the reflected waves are detected by the sensor. Then, the distance measurement is made by...