Reference: RBD-0022

Ultrasonic Sonar Sensor HC-SR04

284 reviews

This is the HC-SR04 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 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 (Power),...

Reference: RBD-0041

Smart Speed Detecting Sensor for Arduino

4 reviews

Bases at CSR BC04 Bluetooth technology. with build-in 2.4GHz PCB antenna It’s at the Bluetooth class 2 power level. Range test: 10 meters Operating voltage: 3.3V to 6V DC Operating current in pairing is in the range of 30~40mA.

Reference: RBD-0291

Sound Sensor Module for Arduino

26 reviews

Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.

Reference: RBD-0431

Formaldehyde/ Formalin Detection Sensor CJMCU-1100 MS1100

2 reviews

Working temperature : -10℃ ~ 50℃ Working humidity : below saturation point Storage temperature : -20℃ ~ 80℃ RoboticsBDPCB Color: Red or Purple 

Reference: RBD-0169

Flex Sensor 2.2" Original

9 reviews

Flex length: 5.6 cm. Total Length: 2.2″ (7 cm). Life Cycle : >1 million. Height : 0.43mm (0.017″), Resistance Variation: 30K-70K Ohms ±30%. Power Rating: 0.5 Watts.

Reference: RBD-0315

US-015 Ultrasonic Module Distance Measuring Transducer Sensor

11 reviews

Working voltage: DC 5 V Static current: 3 mA Working temperature: 0 ~ + 70° Output way: GPIO Induction Angle: Less than 15° Detection range:2 cm to 400 cm Detecting precision: 0.3 cm + 1% Sensor size: Approx. 45 x 20 x 1.6mm Hole diameter: Approx. 1mm. RoboticsBD

Reference: RBD-0354

TSL2561 Luminosity & Infrared Light integrating sensor

Approximates Human eye Response Extremely wide dynamic range 1 to 600,000,000 Counts Lux Range: 188u Lux sensitivity, up to 88,000 Lux input measurements Voltage range: 3.3-5V into the onboard regulator This board/chip uses I2C 7-bit addresses 0x29 and 0x28. RoboticsBD

Reference: RBD-0355

HC-020K Speed Measuring Module With Speed Encoder Kit

9 reviews

Description:Working voltage: 4.5V to 5.5 V.Transmit tube pressure drop: Vf = 1.6 VTransmit tube current: 20 mASignal output: A, B two way; The TTL levelDistinguish precision: 0.01 mmMeasurement frequency, 100 KHZEncoder diameter: 24 mmEncoder type D hole diameter: 4 mmThe encoder resolution: 20 line

Reference: RBD-0368

Force Sensitive Resistor 0.5"

2 reviews

Thickness: 0.4mm Trigger Force: 20g, triggered (default resistance<200kΩ)  Pressure Measuring Range: 20g~6kg Static Pressure & Dynamic Pressure Measurement (within the frequency of 10Hz) Initial Resistance: >10MΩ Activation Time: <0.01S Operating Temperature: -40°C~+85°C  Lifespan: >1million times Hysteresis: +10%，(RF+ -RF-)/FR+，1000g...

Reference: RBD-0429

BH1750FVI Digital Light intensity Sensor

9 reviews

High precision determination accurate to 1 Lu for different lights Operating Voltage: 3-5VDC Built-in 16bit A/D converter I2C interface

Reference: RBD-0671

MQ-2 Flammable Gas & Smoke Sensor

68 reviews

Operating Voltage:+5V Preheat Duration:20 s Analog Output Voltage:0 to 5 V Dimension:36x20x21 mm. RoboticsBD

Reference: RBD-0690

ISD1820 Voice Recording Module With Mic and Loudspeaker

6 reviews

The main chip: ISD1820. Operating Voltage: DC 3V-5V. Loudspeaker: 8Ω, 0.5W. An easy to use 10 seconds of voice recording. High-quality, natural voice restored. Can be used as a propaganda module. With looping, jog playback, single-pass play function.

Reference: RBD-1753

INMP441 Omnidirectional Microphone Module

7 reviews

Digital I2S interface with high precision 24-bit dataHigh signal to noise ratio is 61 dBAHigh sensitivity – 26 dBFSStable frequency response from 60 Hz to 15 kHzLow power consumption: low current consumption 1.4 mAHigh PSR: -75 dBFS

Reference: RBD-1951

Anemometer/Wind Speed Measurement Sensor 0-5V

5 reviews

High hardness, Corrosion protection. Waterproofness and High precision. The mode of its output signal：0-5V(Voltage signal). supply voltage: DC 12-24V. Power consumption：Voltage MAX≤0.3W. Start wind speed：0.4-0.8m/s.

Reference: RBD-0411

HB100 Microwave Sensor 10.525GHz Doppler Radar Motion Detector Arduino

2 reviews

Low current consumption (typical 30 mA) CW or pulse operation Flat profile Long detection range (20 m) Supply voltage: 4.75V to 5.25V X-Band Frequency: 10.525 GHz Minimum Power Output: 13 dBm EIRP. RoboticsBD

Reference: RBD-0417

Force Sensor Resistor Square 38.1mm

4 reviews

Easily customizable to a wide range of sizes Cost-effective Ultra-thin; 0.45 mm Robust; up to 10 million actuations Simple and easy to Integrate. RoboticsBD

Reference: RBD-0672

MQ-3 Alcohol Gas Sensor

9 reviews

Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off). Current Consumption: 150mA. RoboticsBD DO output:  0.1 and 5V. AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V Detecting Concentration: 0.05-10mg/L Alcohol.

Reference: RBD-1022

High Sensitive Microphone Sound Sensor Detection Module

17 reviews

Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.

Reference: RBD-1237

Brand: UNI-T

UNI-T Wind Speed Meter UT363BT

Ergonomic exterior, comfortable handling Millimeter accuracy  Large, multiple angle HD display Quick, auto calculation with real-time readout Multiple functions: measure wind speeds up to 30m/s, data storage, and more Auto power off after 3 minutes without operation  

Reference: RBD-0419

SparkFun Particle Sensor Breakout - MAX30105

Features: Built-in Red, IR, and Green LEDs 5V operation (3.3V is allowed, but green LED is not guaranteed to operate) Applications include presence detection, distance sensing (18" max), pulse oximetry, blood oxygen saturation level (SpO2), smoke and particle detection Documents: Schematic Eagle Files Hookup Guide Datasheet (MAX30105) MAX3010x Sensor...