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-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-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-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-2215

4 Channel Infrared Line Following and Obstacle Sensor

Working voltage (V): 3.3 ~ 5 Working current (A): Above 1A Operating Temperature (℃): -10 ~ +50 Mounting hole: M3 Detection range: 1mm ~ 60 cm adjustable.

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-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-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-2310

Infrared Obstacle Avoidance Sensor & 5 Channel Tracking IR Infrared Sensor

1. Reliable Use: With infrared distance detection sensor and touch detection sensor, the robot you designed can adapt to more situation.2. Line Sensing: Has 6 way high sensitivity infrared sensors, 5 way patrol lines and 1 way for road barrier, which can easily identify and track complex and intersecting black and white lines. Output low level for black...

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-1168

Digital TDS Meter Monitor TEMP PPM Tester

1 review

Item Name: TDS meter Meter Material: Plastic Display: LCD Digital Accuracy: +/- 2% Range: 0-9990 ppm

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-2414

Yahboom 4 Channel Infrared Line Following Tracking Sensor Module

1 review

This tracking module adopts four tracking probes, and optimized spacing layout. The inner two probes can accurately identify the black line. The outer two probes can assist the inner probe to identify the black line and provide early warning. The car can recognize the 90°curved road and other difficult tracks. Knob-type adjustable resistors plus...

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-1405

Turbidity Sensor Suspended Turbidity Value Detection Module Kit

3 reviews

Working voltage: 5.00V DC Working current: 40mA (MAX) Response time: <500ms Insulation resistance: 100MΩ (Min) Analogue output: 0~4.5V; Digital output: high/low-level signal (the corresponding threshold can be selected by adjusting the potentiometer) Operating temperature: -20℃~90℃

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-2533

QTR-8A Reflectance Sensor Array

2 reviews

This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options. Each sensor provides a separate analog voltage output.Note:...

Reference: RBD-1671

ESP32 DHT11 WIFI Bluetooth Temperature Humidity Soil Moisture Sensor Module for Arduino

2 reviews

ESP32 Bluetooth Wi-Fi development board, support NodeMCU / Arduino DHT11 temperature and humidity sensor CP2104 communication chip USB TO TTL Micro USB port Soil probe (long) soil temperature and humidity detection module 18650 Lithium Battery Holder Powered (Battery is not included)

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-2598

Brand: RoboticsBD

Digital Line Following Sensor 8 Array V2

2 reviews

Precise Line Following: Navigate black lines on white surfaces with 8 high-resolution sensors. Easy Microcontroller Integration: Connect directly to your microcontroller with digital outputs. Fast and Responsive: Achieve accurate line following even at high speeds. Simple Calibration: Calibrate sensors quickly and easily with a large knob. Versatility:...

Reference: RBD-2071

SS49E Linear Hall Effect Sensor Module

1 review

Type: Magnetic Sensor Module Mainly Compatible with: Ardunio

Reference: RBD-2611

QTR-8RC Reflectance Sensor Array

This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options. Each sensor provides a separate digital I/O-measurable output.

Reference: RBD-1717

TDS Meter V1.0 Module Water Quality Sensor for Arduino

4 reviews

Wide voltage operation: 3.3~5.5V 0~2.3V analog signal output, compatible with 5V, 3.3V two control systems The excitation source is an AC signal, effectively preventing probe polarization Waterproof probe for long-term immersion in water

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-2763

Optical Infrared Reflective Sensor Module

Uses infrared to detect a reflective line on the floor.

Reference: RBD-1719

Envitec OOM202 Medical Ventilator Oxygen Sensor

Envitec Honeywell OOM202 Medical Ventilator Oxygen Sensor Made in GermanyManufacture Date: 2023 December

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-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-1833

Soil NPK Sensor Agricultural

NEW TYPE AVAILABLE CLICK HERE Measurement range: 0-199 mg/KG Measurement accuracy: +-2%F.s Resolution: 1mg/KG (mg/L) Response time (T90, s): less than 10 Communication port: RS485 Power supply: 5V-24v DC 

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-1931

Soil NPK Sensor Agricultural RS485/Modbus

Easy to Measure High Precision Low measurement cost Resolution up to 1mg/kg (mg/l)