Reference: RBD-0575

PH Meter Digital Tester Aquarium Pool Water Urine Wine LCD Pen Monitor Protable

7 reviews

Main color: Yellow Measure range: 0.00-14.00pH Resolution: 0.01pH Accuracy: ±0.05pH Calibration: two points automatic calibration

Reference: RBD-1344

Current to Voltage Transmitter Module

Supply voltage range: DC 7 V ~ 35 V Output voltage signal: 0 ~ 2.5 v, 3.3 v, 5 v, 10 v, 15 V. 4-20mA to 0-15V,0-5V,0-10V

Reference: RBD-2099

Touch Sensor Switch Module

Main chip: LM393 Working voltage: for DC 5V Single-channel signal output Low-level output signal used for human body touch sensor alarm Adjustable sensitivity Pin Connector to board: 4 Pins

Reference: RBD-0553

FPM10A Optical Fingerprint Reader Sensor Modules (With Shield)

3 reviews

Supply voltage: DC 3.6 ~ 6.0V / 3.3V Supplying Supply Current: Current: <120mA Peak current: <140mA Fingerprint image time: <1.0 seconds

Reference: RBD-0665

Rain & Steam Detection Sensor Module

15 reviews

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

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-2303

MAX30102 Heart Rate and Pulse Oximeter Sensor Module

4 reviews

LED peak wavelength: 660nm/880nm LED power supply voltage: 3.3~5V Detection signal type: light reflection signal (PPG) Output signal interface: I2C interface

Reference: RBD-0102

Fingerprint Scanner - 5V TTL (GT-511C1)

1 review

Description: Fingerprint scanners are awesome. Why use a key when you have one right at the tip of your finger? Unfortunately, they're usually unreliable or difficult to implement. Well not anymore! We've found this great fingerprint module from ADH-Tech that communicates over TTL Serial so you can easily embed it into your next project.

Reference: RBD-0667

DHT11 Temperature and Relative Humidity Sensor Module for Arduino

51 reviews

Input Supply Voltage (VDC): 3.3 ~ 5. Supply Current (mA): measurement 0.3mA standby 60μA. Temperature measurement range: 0~50 degrees. Temperature measurement error: ±2 degrees. Humidity measurement range: 20%~95%RH. Humidity measurement error: ±5%RH. RoboticsBD

Reference: RBD-1675

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

1 review

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-2451

Pulse Sensor 3.3-5V Heartbeat Heart Rate Monitor Sensor

Pulse Sensor 3.3-5V Heartbeat Heart Rate Monitor Sensor Easy to use finger-tip heart rate detector module with built-in noise filter and signal amplification.

Reference: RBD-0241

LM35 Temperature Sensor

31 reviews

Calibrated directly in Degree Celsius (Centigrade) Linear at 10.0 mV/°C scale factor 0.5°C accuracy guarantee-able (at a25°C) Suitable for remote applications Low cost due to wafer-level trimming Operates from 4 to 30 volts Less than 60 mA current drain Low self-heating, 0.08°C in still air Non-linearity only 0.25°C typical  LM35 (working) tested by...

Reference: RBD-0622

RCWL-0516 Microwave Radar Sensor Module Human Body Induction Switch Module

6 reviews

Transmission signal processing control chip RCWL-9196 Wide operating voltage range 4.0V to 28.0V Penetrating detection capability, compared with the traditional infrared feeling PIR Adjustable Block time and distance Operating Current: 2.8mA (typical); 3mA (max) Detection Distance: 5-9m Transmitting Power: 20mW (typical); 30mW (max) RoboticsBD

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-2452

Pulse Heart Rate Sensor Kit For Arduino

This Pulse Sensor is a heart rate sensor designed for Arduino microcontrollers. Development professionals use. The Pulse Sensor Kit brings you all the experience you need, a complete package. The kit includes: A 24inch 3p DuPont line, A soft Velcro Finger Strap, A sensor size sensor ear clip, 4 Velcro dots, and 9 transparent protective dot Pulse Sensor is...

Reference: RBD-0689

LM75A IIC I2C High Accuracy Digital Temperature Sensor

1 review

Operating Voltage: 2.8 V to 5.5 V Accuracy: ± 1.5°C Zero power resistance: 100 KΩ Operating temperature range: -55 ~ +125 ℃

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

Reference: RBD-0695

MAX31865 SPI RTD PT100 to Digital Converter Module

Integration Lowers System Cost, Simplifies Design Efforts, and Reduces Design Cycle Time High Accuracy Facilitates Meeting Error Budgets 15-Bit ADC Resolution; Nominal Temperature Resolution 0.03125NC (Varies Due to RTD Nonlinearity) Total Accuracy Over All Operating Conditions:

Reference: RBD-0812

High Accuracy I2C MAX30105 Particle Optical Sensor Photodetectors Oximeter Module

1 review

Based on MAX30105 – heart rate, oximeter, smoke sensor Green, red, and infra-red LEDs Interface: I2C (address 0x57) Compatible with 3.3V and 5V logic levels.

Reference: RBD-1972

Brand: DFRobot

Gravity: Analog AC Current Sensor (20A)

Brand Gravity Analog AC Current Sensor 20A AC Current Signal Conversion Module Open Type AC Transformer Probe Included Non-contact Measurement

Reference: RBD-0830

Thermocouples - K Type 800C WRN-291 200mm Rod

2 reviews

Thermocouples - K Type 800C WRN-291 200mm Rod 7.8 inch Rod/ 200mm Rod Temperature measurement range is from 0 celsius to 800 celsius degree.  Screw Type

Reference: RBD-1243

AS608 Optical Fingerprint Sensor Fingerprint Module JM-101

15 reviews

Resolution: 500dpi Supply current: <60mA Supply voltage: 3.3V Fingerprint image entry time: <1.0 seconds Peak current: <60mA

Reference: RBD-2071

SS49E Linear Hall Effect Sensor Module

1 review

Type: Magnetic Sensor Module Mainly Compatible with: Ardunio

Reference: RBD-0923

DHT22 Original AM2302 Digital Temperature Humidity Sensor Module

18 reviews

Measuring range: temperature -40-80 ℃; humidity 0; 99.9%RH Measurement accuracy (25℃): temperature: + 0.5; humidity: + 2%RH (10; 90%RH) Resolution: temperature: 0.1 ℃, humidity: 0.1%RH Attenuation value: temperature: <1℃ / year; humidity: < 1%RH/ years High precision Capacitive type Full range temperature compensated Relative humidity and...

Reference: RBD-2072

Linear Magnetic Hall sensor

1 review

Operating Voltage: 3.3V-5V Features wide range voltage comparator LM393 Adjustable sensitivity Signal output indicator with the retaining bolt hole, convenient installation Output form digital switch output (0 and 1 high and low level) The output effective signal is low level When there is sound, outputs low level and the signal light

Reference: RBD-1042

Capacitive Soil Moisture Sensor

7 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-2073

A3144 Hall Effect Sensor Module

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-1049

Snow Rain Drops Steam Detection Sensor Module

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-2120

HW670 5A Current Sensor

1 review

Onboard precision microcurrent transformer. Onboard sampling resistor. The module can measure AC currents less than 5A, the corresponding analog output 5A/5mA.

Reference: RBD-1062

AMG8833 IR Infrared 8*8 Thermal Imager Array Temperature Sensor

Temperature detection of the two-dimensional area: 8 × 8 (64 pixels). Digital output (capability of temperature value output). Compact SMD package (adaptively to reflow mounting). RoHS compliant.

Reference: RBD-1648

FPC1020A Capacitive Fingerprint Identification Module

FPC1020A is a secondary development module for fingerprint recognition designed for SCM. Fingerprint identification capacity: 150 fingerprints, identification time is less than 1 second, can be customized large capacity Capacitive surface array semiconductor fingerprint sensor Support finger 360 rotation recognition Supported Operating Systems: Windows

Reference: RBD-2224

Active Single Phase Voltage Transformer AC Voltage Sensor Module ZMPT101B

3 reviews

Voltage – 250V Easy PCB mounting Good consistency Widely acclaimed