Reference: RBD-0041

Smart Speed Detecting Sensor for Arduino

Bases at CSR BC04 Bluetooth technology. with build-in 2.4GHz PCB antenna It’s at the Bluetooth class 2 power level. Range test: 10 meters Operating voltage: 3.3V to 6V DC Operating current in pairing is in the range of 30~40mA.

Reference: RBD-1866

PIR Sensor 360 Degree Ceiling Mounted

High Sensitivity PIR Sensor 360 Degree IR Infrared Motion Sensor Light Switch AC 110V-240V Ceiling Recessed PIR Switch Detector

Reference: RBD-0555

Current Sensor ACS712-30A

Low-noise analog signal path Device bandwidth is set via the new FILTER pin 5 µs output rise time in response to step input current Small footprint, low-profile SOIC8 package 2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-8 Supply Voltage: 4.5V~5.5V DC Measure Current Range: 30A Sensitivity: 100mV/A

Reference: RBD-0319

K Type Thermocouple Sensor Probe for Temperature Controller

Type K Type.  Mounting thread: M6  Temperature Range:0-600°C. RoboticsBD

Reference: RBD-1766

ADXL345 3-axis Digital Gravity Sensor Acceleration Module

Supports 5V/3.3V input Onboard RT9161 faster load the appropriate speed Ideal for noisy power environment Application: DIY project.

Reference: RBD-0272

Brand: Waveshare

Logic Level Converter

Voltage level: 1.8V-6V Dimension: 38mm x 31.6mm Conversion  level  range:  1.8 V-6 V Instructions for use:  (3.3 V,  5 V  to  each other) 4 pairs of power supply interfaces, supports more situation Use tantalum capacitors for power filter, provides more stability VCCB 5V  power supply  (can  be an external  5V power supply)

Reference: RBD-1717

TDS Meter V1.0 Module Water Quality Sensor for Arduino

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-2139

GSR Skin Sensor CJMCU-6701 Analog SPI Module

GSR Skin Sensor CJMCU-6701 Analog SPI Module Measures the electrical conductance of the skin (Galvanic Skin Response) Reflects human emotional activity and stress levels Suitable for creating emotion-related projects and sleep quality monitors Utilizes a precise 12-bit AD converter for accurate readings

Reference: RBD-0995

LDR 5 mm Light Depending Resistor

Diameter: 5mm No. of Pins: 2 Type of Mounting: PCB Through Hole Maximum Operating Temperature: +800°C (Approx.) Dark resistance:1-20 Mohm

Reference: RBD-0344

Weighing Sensor 24 Bit Load Cell Amplifier HX711

Output Sensitivity: 1.0 ± 0.1 mV / V. Two selectable differential input channels. On-chip active low noise PGA with the selectable gain of 32, 64 and 128. On-chip oscillator requiring no external component with optional external crystal. On-chip power-on-reset. Measurement Resolution: 24 bit. RoboticsBD

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-1173

Non-invasive AC current Sensor Split Core Current Transformer SCT-013-000 100A

Input Current : 100A Frequency: 50HZ-150KHZ Opening Size: 13 x 13mm/ 0.5″ x 0.5″(L*W) Output Plug 3.5mm Dielectric Strength 6000V AC/1min Meet UL94-V0 flame retardant properties

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-0222

35mm Piezo Ceramic Elements Sound Sensor

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-0152

SW-420 NC Type Vibration Sensor Module

Using SW-420 normally closed type vibration sensor Comparator output, clean signal, good waveform, strong driving ability, >15mA Operating voltage 3.3V ~ 5V Output format: digital switching output (0 and 1) Using a wide voltage LM393 comparator With bolt holes for easy installation

Reference: RBD-1348

Automatic Infrared PIR Motion Sensor Switch 12V

Easy to install. Automatic, convenient, safe and practical. It has the function of power and detection indication. The motion sensor can identify day and night automatically.

Reference: RBD-0659

Digital Line Following Sensor - 8 Array

Operating voltage: 4.5V to 5.0 V Supply current: 150 mA Output format: 8 Digital voltages. Optimal sensing distance: 3 mm. Maximum recommended sensing distance: 6 mm Uses 8 sensors for best resolution Comes with easy to use digital outputs that can be connected directly to microcontrollers Sample Programming Code is available. RoboticsBD

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-0678

MQ-9 Gas Leakage Detection Sensor

Good sensitivity to CO/Combustible Gas High sensitivity to Methane, Propane, and CO Long life and low cost Simple drive circuit Input voltage: DC 5±0.2V Current Consumption: 150mA

Reference: RBD-1405

Turbidity Sensor Suspended Turbidity Value Detection Module Kit

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-1190

NTC Thermistor 10K

Temperature Coefficient Type: NTC Thermal Time Constant: 10s Resistance  10kΩ Tolerance: ±1% Maximum Power Rating: 75mW Maximum Operating Temperature: +150°C Minimum Operating Temperature: -80°C Dimensions(dia.): 2 mm Length: 30mm Application: Compensation, Control, Measurement, etc.

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-1751

MP-135 MP503 Air Quality Sensor Module

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

Reference: RBD-0355

HC-020K Speed Measuring Module With Speed Encoder Kit

Description:Working voltage: 4.5V to 5.5 V.Transmit tube pressure drop: Vf = 1.6 VTransmit tube current: 20 mASignal output: A, B two way; The TTL levelDistinguish precision: 0.01 mmMeasurement frequency, 100 KHZEncoder diameter: 24 mmEncoder type D hole diameter: 4 mmThe encoder resolution: 20 line

Reference: RBD-0334

9 Degrees of Freedom Breakout- MPU9150

The 9DOF MPU-9150 is the world’s first 9-axis MotionTracking MEMS device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors. And guess what? You get to play with it.

Reference: RBD-2096

Eye Blink Detection Digital Sensor with Goggles

Operating Voltage: 3-5.5V Supply Current: ≥ 20mA Optimal Sensing Distance: 3mm Working voltage of 5V, the output of the black line low, white line of high output Uses Infrared Light to Detect Anti-Interference Ability Sensors to adopt TCRT5000 High Sensitivity, Stable Performance Exquisite workmanship, with the indicator Has a fixed bolt hole for easy...

Reference: RBD-1716

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

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-2152

HLK-LD2410 24Ghz Human Presence Body Induction Distance Detection Radar Sensor Module

Human Presence Radar LD2410 Respiration and Heartbeat Monitoring Non-contact Induction Sensor High-sensitivity 24GHz sensing module

Reference: RBD-2080

Dry Reed Pipe Magnetron Magnetic switch Module

Clean, good waveform driving ability, more than 15mA. Working voltage 3.3V-5 Output format: digital switching output (0 and 1) A  fixed 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%