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-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-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-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-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

3 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-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-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-1931

Soil NPK Sensor Agricultural RS485/Modbus

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

Reference: RBD-1935

Water Level Sensor Gold Coating

2 reviews

Water-level sensor indicates the level of water in an overhead tank Gold coated Long life time Simple working procedure

Reference: RBD-1969

Brand: DFRobot

pH Sensor Gravity Analog pH Sensor Meter Kit V2

1 review

Specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. Improved precision and user experience. Compatible with 5V and 3.3V. Quickly build the pH meter, plug and play, no welding.

Reference: RBD-2141

Anti-Corrosion Water Level Sensor with Ball Float Switch

Rating contract (Max.): 10 W Switching power supply (Max.): 110VDC Resistance contract (Max.): 100 Ω Appro. Float Ball Size (mm) : 24×17 (LxD) Body Total Length (mm) : 85 Cable Length (cm) : 37 Total Float opening: 70° Switch ON/OFF angle Approx. betn 15° to 20°

Reference: RBD-2148

XKC-DS1603L V1 Ultrasonic Level Sensor Non-contact Sensing

Non-contact detection Suitable for liquids of various densities and forms Easy installation for all kinds of detection occasions Compatible with containers of various materials and thicknesses Reliable performance with anti-interference ability

Reference: RBD-2211

Soil Moisture Hygrometer Detection Humidity Sensor Module Corrosion Resistance Probe

Soil moisture sensor module Digital and analog output Adjustable threshold Waterproof and corrosion-resistant probe

Reference: RBD-2300

Soil Sensor RS485 5 Pin PH NPK Storage Temperature And Humidity EC Sensor Conductivity Tester Multi Parameter

1 review

This product has stable performance, high sensitivity, fast response, stable output, and is suitable for various soil qualities . It is an important tool for observing and studying the occurrence, evolution, improvement and water-salt dynamics of saline soil. By measuring the dielectric constant of soil, it can directly and stably reflect the real...

Reference: RBD-2324

Brand: DFRobot

Gravity Analog ORP Sensor Meter for Arduino

In the ever-increasing need and awareness for health and safety, water has become a focus point for proper disinfection treatment as aftereffects of industrialization can become a danger for contamination of water via direct contact. Water is a critical control point of contact where proper treatment can greatly reduce these microbes, thereby reducing the...

Reference: RBD-2325

Brand: DFRobot

Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino

This is a dissolved oxygen sensor kit. A dissolved oxygen meter is used to measure the dissolved oxygen in water, to reflect the water quality. It is widely applied in many water quality applications, such as aquaculture, environment monitoring, natural science, etc.  There’s an old saying regarding keeping fish, “Good fish deserves good water”. Good...

Reference: RBD-2493

Gravity Analog Electrical Conductivity Sensor V2 K1

Brand: DFRobot Product: Gravity Lab Grade Analog Electrical Conductivity Sensor Supply Voltage: 3.0~5.0V Output Voltage: 0~3.4V Support Detection Range: 0~20ms/cm

Reference: RBD-2778

XKC-Y25-V Intelligent Non-Contact Liquid Water Level Sensor with 1m Wire

Input Voltage: (InVCC) DC 5 ~ 24 V Power Consumption: 5mA Output Current: 1 ~ 100mA Communication: RS485 Material: ABS Waterproof Performance: IP67

Reference: RBD-2780

M04 Non-Contact Liquid Level Detection Module Sensor

The M04 Non-Contact Liquid Level Detection Module Sensor offers reliable liquid level sensing without direct contact, ensuring convenience and accuracy in various applications. Designed for durability and refined performance, this module extends service life while providing accurate liquid level detection.M04 supports a wider range of 3.3-24V (Should Not...

Reference: RBD-2781

M03 Non-Contact Liquid Level Detection Module Sensor

The M03 Non-Contact Liquid Level Detection Module Sensor offers reliable liquid level sensing without direct contact, ensuring convenience and accuracy in various applications. Designed for durability and refined performance, this module extends service life while providing accurate liquid level detection.Power supply voltage range of 3.3-5V

Reference: RBD-2779

XKC-Y25 24V NPN Intelligent Non-Contact Liquid Water Level Sensor with 1m Wire

Input Voltage: DC 24V Power Consumption: 5mA Output Current: 1-200mA Communication: NPN Material: ABS Waterproof Performance: IP67