Reference: RBD-0147

HR202 Humidity Detection Sensor Module

5 reviews

Adjustable Sensitivity, External GND. Detect Ambient Humidity. Provided with Fixed Bolt Hole, Convenient to Install. Power Indicator Light & Digital Output Indication Lamp. Using LM393 Chip for Stable Work. DO Small Digital Outputs Interface (0 & 1).

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-0357

GY-ML8511 Ultraviolet Light UV Sensor Module

3 reviews

Operating voltage (VCC): 3 V to 5V Operating current: 120μA (typical) 190μA (max) Operating Temperature: -40°C ~ +85°C Photodiode sensitive to UV-A and UV-B Embedded operational amplifier Analog voltage output Low supply current (300uA type) and low standby current (0.1uA type) RoboticsBD

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-0152

SW-420 NC Type Vibration Sensor Module

18 reviews

Using SW-420 normally closed type vibration sensor Comparator output, clean signal, good waveform, strong driving ability, >15mA Operating voltage 3.3V ~ 5V Output format: digital switching output (0 and 1) Using a wide voltage LM393 comparator With bolt holes for easy installation

Reference: RBD-0163

HSM-20G Analog Temperature & Humidity Sensor

4 reviews

Product Type: Humidity Module Sensor Working voltage range DC 5.0±0.2V    Output voltage range (corresponding to 0-100%RH) DC 1-3.19V    Test accuracy 5% RH

Reference: RBD-0222

35mm Piezo Ceramic Elements Sound Sensor

17 reviews

Sound pressure level: 85DB 10cm The input voltage: 30vp-p max Ultra-thin and lightweight Low power consumption for voltage type Operating Temperature: -20~70 Storage Temperature: -30-80 Clear sound

Reference: RBD-0425

GY-9960LLC APDS-9960 RGB and Gesture Sensor Module

1 review

Model: GY-APDS9960-3.3 Chip: APDS-9960 Power Supply: 3.3VDC Communication Through I2C Protocol. RoboticsBD

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-0493

RTD PT-100 Temperature Sensor 100mm Probe -50‑400℃

6 reviews

Temperature Range : 0C-400C Shield Material : Metal Total Length(Approx.) : 2M / 6.6 Ft; Weight : 46g;

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-1111

Geiger Counter Kit Nuclear Radiation Detector Gamma Ray Build Radiation Monitoring Station

1 review

This is one open-source Geiger Counter project which could be used to detect nuclear radiation. The schematic and code and other helpful files are listed in this package. All the codes are designed and tested on this kit, these materials are useful for DIY Geiger Counter Kit Nuclear Radiation Detectors or Radiation Monitoring Stations. Note: The kit comes...

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-0319

K Type Thermocouple Sensor Probe for Temperature Controller

2 reviews

Type K Type.  Mounting thread: M6  Temperature Range:0-600°C. RoboticsBD

Reference: RBD-0352

Knock Sensor Module KY-031

4 reviews

Detect shocks with the spring and send a signal to Controller Board Operating voltage: 3.3V-5V Digital output Bolt holes for easy installation. RoboticsBD

Reference: RBD-0426

GUVA-S12SD UV Detection Sensor Module

5 reviews

Power supply voltage of 2.5 V ~ 5 V Low power consumption Wide detection range: 240 nm to 370 nm Wide Angle: 130 degrees Schottky type photosensitive diode Good linear response High sensitivity

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-3529

Brand: DFRobot

RS485 Photoelectric Solar Radiation Sensor (400-1100nm)

The RS485 Photoelectric Solar Radiation Sensor is designed to measure solar radiation in the spectral range of 400-1100nm. It uses the photoelectric principle to convert sunlight into electrical signals. Featuring a highly sensitive photosensitive element and a wide-spectrum absorption range, the sensor delivers accurate solar radiation measurements.