Reference: RBD-0142

Fingerprint Scanner - TTL (GT-511C3)

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-2858

Dual Voltage Comparator Analog to Digital Module for Force Sensor

Multi-Sensor Support: Works with various sensors like NTC thermistors, TCRT5000 line followers, and force sensors. Precise Control: Dual potentiometers for fine-tuning sensor thresholds. Wide Voltage Compatibility: LM393 chip ensures adaptability to diverse power sources. Compact & Durable Design: Integrates seamlessly into projects with a robust build.

Reference: RBD-2147

GY-63 MS5611-01BA03 High Precision Pressure Sensor Height Sensor Module

1 review

The built-in 24bit AD converter. Immersion gold PCB, high quality, machine welding process to ensure quality. Power supply: 3 – 5V ( internal low dropout regulator ). Communication modes: Standard the IIC / SPI communication protocol.

Reference: RBD-2332

5mm Infrared Emitter and Detector

4 reviews

5mm Infrared Emitter and Detector pair for high-speed, high-sensitivity applications Infrared phototransistor with black epoxy for enhanced sensitivity Operating voltage: 2.3V, collector-emitter voltage: 2V Compact design ideal for obstacle detection and remote communication Sold as a pair: Blue/White LED as Emitter, Black LED as Detector

Reference: RBD-2094

DHT11 Digital Relative Humidity and Temperature Sensor Module

12 reviews

The module can detect the surrounding environment of the humidity and temperature High reliability and excellent long-term stability The output from the digital output Humidity measuring range: 20%~90%RH(0~50 degree (temperature compensation). Temperature measuring range: 0~+50degree. Humidity measurement accuracy: ±5.0%RH. Temperature measurement...

Reference: RBD-3057

Brand: DFRobot

C1001 60GHz mmWave Indoor Fall Detection Sensor for Arduino (11 Meters)

The C1001 mmWave Human Detection Sensor is a high-precision 60GHz millimeter-wave radar sensor engineered for advanced human detection. Unlike standard 24GHz millimeter-wave sensors that are limited to detecting presence, speed, and distance, the C1001 sensor offers enhanced detection capabilities, including fall detection and sleep monitoring. Its...

Reference: RBD-2552

R503 Waterproof Capacitive Fingerprint Module Sensor Scanner

R503 Fingerprint Sensor is a device that allows you to read and save up to 200 fingerprints through a touch panel, it also contains a configurable LED light indicator. This sensor is small and easy to use, it has a wide detection range, a nut so you can install it easily and it has 6 pins, 2 for power, 1 for the finger detection signal, another for the...

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-0241

LM35 Temperature Sensor

35 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-3185

Dust/Air Purity Sensor PM1.0/PM2.5/PM10 - PMS7003 - 3.3V UART

The PMS7003 Dust Sensor is a highly precise module designed to monitor air quality by measuring particulate matter (PM) concentrations, including PM1.0, PM2.5, and PM10. This sensor detects particles as small as 0.3 µm, making it ideal for monitoring pollutants such as cigarette smoke and vehicle exhaust. Its compact design and advanced laser-based...

Reference: RBD-1974

Brand: DFRobot

Gravity Huskylens AI Camera Vision Sensor with Silicone Case

2 reviews

One-click learn Machine Learning Enabled Onboard Screen Extreme Performance

Reference: RBD-1198

DS18B20 Digital Thermometer

5 reviews

Industrial Systems Consumer Products Thermometers Thermally Sensitive Systems

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-1196

TSOP1738 IR Infrared Receiver

8 reviews

Photo Detector, IR Filter, Preamplifier and PCM frequency filter in one package Shielding against EMI or RFI interference CMOS and TTL Compatible Active Low Output Immunity against ambient light Low Power Consumption Able to transfer data continuously up to 2400bps Supply Voltage : 4.5 – 5.5V

Reference: RBD-1913

ADXL335 Module 3-axis Analog Output Accelerometer GY-61

6 reviews

Onboard LDO Voltage regulator Can be interfaced with 3V3 or 5V Microcontroller. Tap/Double Tap Detection Free-Fall Detection Analog output Build in ultra low noise linear LDO voltage regulator Built-in onboard filters, which reduce noise from the motor and other high current electronics Power LED

Reference: RBD-2677

0.28" LED Digital Voltmeter Ammeter with 100V/10A Measurement With 100A Shunt

1 review

Operating on a 5V DC power supply with a current consumption of less than 60mA, this 0.28-inch Digital Voltmeter Ammeter is a versatile tool for measuring voltage and current. With a testing range of 0-100V for voltage and 1-100A for current, this meter offers precise measurements with easy readability, even in dim light conditions.

Reference: RBD-2851

Force Sensing Resistor Flexible Thin Pressure Sensor MD30-60 150g-20kg 30mm

Shape: Circular. Sensing Area diameter (mm): 30 Min Force: 150 gm. Max Force: 20Kg. Length (mm): 42. Weight (gm): 2.

Reference: RBD-2735

INA219 DC Current Measurement Module

3 reviews

Measures high-side current and voltage up to 3.2A @ 26VDC.

Reference: RBD-3238

Brand: DFRobot

Gravity Analog TDS Sensor/ Meter for Arduino

Gravity: Analog TDS Sensor/Meter for Arduino is an Arduino-compatible TDS Meter Kit for measuring TDS value of the water, to reflect the cleanliness of the water. TDS meter can be applied to domestic water, hydroponic and other fields of water quality testing. You may also check Liquid Senser Selection Guide to get better familiar with our liquid sensor...

Reference: RBD-2474

TSAL620 Super-bright 5mm IR LED 940nm High Power Infrared Emitting Diode

1 review

Infrared LEDs are used for remote controls (they're the little LED in the part you point at your TV) and 'night-vision' cameras, and these little blue guys are high powered ones! They are 940nm wavelength, which is what nearly all devices listen to. They're 20 degree beamwidth, and work great for any kind of remote control application.

Reference: RBD-0564

AC 0~5A Analog Current Meter Module Ammeter Sensor Board for Arduino

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-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-2762

GY-362 ADXL362 Triaxial Accelerometer Sensor Module

The GY-362 ADXL362 Sensor Module is a high-precision accelerometer module designed for a wide range of motion sensing applications. Powered by Analog Devices' ADXL362, this module offers ultra-low power consumption, exceptional accuracy, and versatile functionality.

Reference: RBD-1934

MQ-136 Hydrogen Sulfide Gas Sensor

2 reviews

Dual signal output (analog output and TTL level output) The TTL output effective signal is low. Analog output 0 ~ 5V voltage, the higher the concentration the higher the voltage. Good sensitivity to hydrogen sulfide, liquefied gas, natural gas, city gas, and smoke. with long service life and reliable stability fast response recovery characteristics

Reference: RBD-1942

MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm System

3 reviews

Actuation Distance : 15 – 25 mm; Connecting cable length: 30 cm. Magnetic sensor alarm, control the switch of the circuit via the built-in magnet Alarm when someone intrudes into your places Can be used in places like apartment, hotel, office, etc.

Reference: RBD-2056

PT-100 RTD Temperature Sensor 3 Wire 50cm

1 review

Mounting form Polish rod probe The Probe material: Stainless steel Probe diameter: 4mm Length of the probe: 30mm Cabel material Silver plated copper (not insulated), PTFE Silver plated copper (Waterproof, insulated) Accuracy ±(0.3°C+0.5%|t|) Thermal response time: <0.5sSize: 4*30*500mmRange: -50C ~ 200C

Reference: RBD-0551

Digital Electronic Weighing Sensor (Scale 1 Kg) Loadcell

2 reviews

Weighing Range: 0 ~ 1 kg. Rated Output: 1.0 ± 0.1mV / V. Non Linear Output: ± 0.03% F.S. Input Impedance: 1066 ± 10% Ω. Output Impedance: 1000 ± 10% Ω. Insulation Resistance: 2000 MΩ. RoboticsBD

Reference: RBD-0679

MQ-135 Gas Sensor

19 reviews

Sensitivity to Ammonia, Sulfide and Benzene steam Sensitive for benzene, alcohol, smoke Fast response and recovery Adjustable sensitivity. RoboticsBD Signal output indicator Output voltage boosts along with the concentration of the measured gases increases.

Reference: RBD-3022

Retail Footfall People Counter with Web Server Dashboard

A footfall counter tracks the number of people entering or passing through a location. Commonly used in stores, malls, event venues, and public spaces. Provides crucial data for informed business decisions and improving customer experiences. Utilizes AI technology for up to 99% accuracy. Equipped with a server-sync GSM board for real-time data...

Reference: RBD-2950

Grove Light Sensor V1.2

Need a device to sense light? We have the Grove – Light Sensor v1.2 for you. Now you can measure light levels with higher reliability and sensibility. It is an updated version of Grove – Light Sensor 1.0. You can use it as a light-controlled switch i.e. switch off lights during day time and switch on lights during night time.