Reference: RBD-0822

Hall Effect Sensor Switch Magnetic Detector Module For Arduino

8 reviews

S49E hall sensor Features wide-range voltage comparator LM393 Signal output indicator Analog / Digital output

Reference: RBD-1042

Capacitive Soil Moisture Sensor

10 reviews

Operating Voltage: 3.3 ~ 5.5 VDC. Operating Current: 5mA. Interface: PH2.54-3P. Dimensions mm(LxWxH): 98 x 23 x 4. Supports 3-Pin Gravity Sensor interface Analog output. Weight (gm): 15.

Reference: RBD-1177

4-20mA Signal Generator Current Loop Simulator Tester

1 review

This signal generator can use 4-20mA to generate voltage and control the current in the circuit. Accuracy up to 0.01; Liquid crystal display; Rotary encoder adjustment ; Two connection terminals are non polarity. Output range can be set; 4-20mA (device control) / -21mA (signal debugging) Display mode can be set, it is convenient for you to see the value...

Reference: RBD-1970

Brand: DFRobot

Gravity: Speech Synthesis Module V2.0 (Support English and Chinese)

Version 2.0 More natural pronunciation Fewer pronunciation errors for polyphone characters No option of speakers

Reference: RBD-1192

Hall Effect Sensor 6851/A3144

8 reviews

Digital Output Hall-effect sensor. Operating voltage: typically 5V. Output Current: 25mA. It can be used to detect both the poles of a magnet.

Reference: RBD-1424

ZMCT103C 5A Range Single Phase AC Micro Current Transformer Sensor

Onboard precision microcurrent transformer. Onboard sampling resistor. The module can measure AC currents less than 5A, the corresponding analog output 5A/5mA. Rated input current: 5A Rated output current: 5mA Change: 1000: 1 The linear range: 0 ~ 10A (100 ohms) Linearity: 0.2%

Reference: RBD-1716

PM2.5 Air Quality Sensor PMS5003 High Precision Digital Output Module

4 reviews

Working Voltage: 5.0V Maximum Working Current: 100mA Data Interface Level: L＜0.8V, H>2.7V, maximum voltage level 3.3V Particle Measurement Range: 0.3 ~ 1.0μm; 1.0 ~ 2.5μm; 2.5 ~ 10μm Note: Please purchase this adapter board to use it with Arduino and Raspberry Pi. 

Reference: RBD-2097

Small Microphone Sound Sensor Module

5 reviews

5V Dc Power Supply Power indicator light The comparator output is light High Sensitivity Sound Microphone Sensor Detection Module Electric condenser microphone

Reference: RBD-1199

Hall Effect Sensor A1302 49E

5 reviews

Low-noise output Fast power-on time Ratiometric rail-to-rail output 4.5 to 6.0 V operation Solid-state reliability Factory-programmed at end-of-line for optimumperformance Robust ESD performance 

Reference: RBD-1675

PZEM-004T V3.0 AC Digital Multifunction Meter Watt Power Volt Amp With Coil 100A

2 reviews

Model: PZEM-004T Operating Voltage: 80-260VAC Test Voltage: 80-260VAC Rated Current: 100A Rated power: 100A / 22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0

Reference: RBD-1719

Envitec OOM202 Medical Ventilator Oxygen Sensor

1 review

Envitec Honeywell OOM202 Medical Ventilator Oxygen Sensor Made in GermanyManufacture Date: 2024 March

Reference: RBD-2098

Big Microphone Sound Sensor Module

8 reviews

Big Microphone Sound Sensor Module  Sound Detection Sensor Module High Sensitive Voice Sensor

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-1049

Snow Rain Drops Steam Detection Sensor Module

2 reviews

Operating voltage: 5V Provide both digital and analog output Adjustable sensitivity Output LED indicator Compatible with Arduino TTL Compatible Bolt holes for easy installation

Reference: RBD-1208

Laser Receiving Sensor

7 reviews

Working Voltage: 5V DC Operating Temperature: -30ºc ~ 85ºc Output high level when received the laser signal Output low level when not receive laser signal. Application: Electronic Circuits

Reference: RBD-1835

Non-invasive AC current Sensor Split Core Current Transformer SCT-013-050 50A

1 review

Input current (RMS): 50A. Work temperature: -25℃～+70℃. Storage temperature: -30℃～+90℃. Work voltage: 660V. Frequency range: 50Hz-1KHz.

Reference: RBD-2289

Dust Sensor DSM501A Air Quality Monitoring

1 review

Low cost, compact size dust sensor module Used to quantitative particle (> 1 micron) measurement Principle of particle counter Can sense the tobacco smoke and pollen, house dust Consist of light emitting diode lamp, detector, signal amplifier circuit and heater Used in applications such as the air cleaner or air purifier Users can use this sensor...

Reference: RBD-1066

Mini Metal Detector Module

6 reviews

Operating voltage: 5V DC. Detector distance: 1CM. Adjust the potentiometer, let the modules work normally. Small and easy to use module. It comes with a Buzzer for metal detection indication.The Mini Metal Detector Module arrives disassembled, requiring assembly using a soldering iron and soldering accessories. Moderate knowledge of soldering and...

Reference: RBD-1751

MP-135 MP503 Air Quality Sensor Module

2 reviews

Detection Gas: H2, Alcohol, CO, VOC  Detection Range: 10～500ppmH2 5～500ppm Alcohol 10～500ppm CO Air Quality Sensor Module

Reference: RBD-1836

Non-invasive AC current Sensor Split Core Current Transformer SCT-013-000 30A

2 reviews

Input Current : 0-30A Output Mode: 0-1V @ 30mA Frequency: 50HZ-150KHZ Opening Size: 13 x 13mm/ 0.5″ x 0.5″(L*W) Output Plug 3.5mm Dielectric Strength 6000V AC/1min Suitable for lighting equipment, AC motors, air compressors, monitoring, current measurement, and protection Meet UL94-V0 flame retardant properties