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-1836

Non-invasive AC current Sensor Split Core Current Transformer SCT-013-000 30A

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-0688

RF Transmitter Receiver Pair 433 MHz

Wide input supply (2.5 V to 12V) Easy to integrate (V+, GND, and Data) The device in deep sleep mode when Data pin is grounded Very small dimension.

Reference: RBD-1193

3mm Infrared Emitter and Detector

Infrared Photodiode Transmitter 3mm Infrared Photodiode Receiver 3mm

Reference: RBD-0915

UART EM4100 RFID Card Reader RDM6300

Maximum effective distance up to 150mm Less than 100ms decoding time Support external antenna Uart interface Support EM4100 compatible read-only or read/write tags Small outline design

Reference: RBD-0679

MQ-135 Gas Sensor

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-2087

Photo Interrupter Module

Voltage 5V Photo interruption module triggers a signal when light is blocked between the opening of the sensor.

Reference: RBD-1942

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

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-2093

Photosensitive Resistor LDR Sensor Module

This is a High-quality photosensitive sensor module/light module detects the photosensitive resistor for Arduino Resistance of the photoresistor is typically less than 80 Ohms (in full light) Dark resistance is typically greater than 20 Meg Ohms (in full darkness)

Reference: RBD-2125

QRE1113 Reflective Optical Sensor

Phototransistor output  No contact surface sensing  Miniature package

Reference: RBD-2224

Active Single Phase Voltage Transformer AC Voltage Sensor Module ZMPT101B

Voltage – 250V Easy PCB mounting Good consistency Widely acclaimed

Reference: RBD-2085

PCB Mounted Passive Buzzer Module

Operating Voltage : 1.5 ~ 15V DC Working Current: Less than 25mA Tone Generation Range : 1.5 ~ 2.5kHz Dimensions (LxWxH):  26 x 15 x 11 mm

Reference: RBD-2078

Vibration Switch Module

No direction, any angle can trigger the work. Sensitivity switches can be selected for the trigger sensitivity according to circuit requirements. This switch is suitable for the trigger of the small current circuit. Component Type: SW-18015P Maximum voltage: 12V Rated Heating Current: 20mA

Reference: RBD-1847

Pressure Sensors with Display SPABT-P10-R18-2N-K1-SA

Compact Design Country Specific pressure Multiple Displayable Unit Multi-colored, two-part display Alphanumeric display Discontinued by Manufactured 2017

Reference: RBD-2227

HLK-LD1115H 24Ghz Human Presence Sensor mmWave Radar Module

High sensitivity 24GHz millimeter wave human presence detection radar module Detects and accumulates small movements like human breathing Higher accuracy in presence detection within a certain range Not easy to miss detections Detection distance: > 4m static human presence, > 16m motion Range: Hanging height 3m, static body detection coverage radius...

Reference: RBD-0352

Knock Sensor Module KY-031

Detect shocks with the spring and send a signal to Controller Board Operating voltage: 3.3V-5V Digital output Bolt holes for easy installation. RoboticsBD

Reference: RBD-1191

IR Receiver Shielded

Internal filter for PCM frequency. Inner shield, good anti-interference ability. High immunity against ambient light. Improved shielding against electric field disturbance 3.0V or 5.0V supply voltage; low power consumption. TTL and CMOS compatibility. Suitable transmission code:NEC code,RC5 code. Universal receiver. 38 KHz. Infrared remote control receiver.

Reference: RBD-1177

4-20mA Signal Generator Current Loop Simulator Tester

This signal generator can use 4-20mA to generate voltage and control the current in the circuit. Accuracy up to 0.01; Liquid crystal display; Rotary encoder adjustment ; Two connection terminals are non polarity. Output range can be set; 4-20mA (device control) / -21mA (signal debugging) Display mode can be set, it is convenient for you to see the value...

Reference: RBD-0693

Infrared Line Track Tracker Follower Sensor

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-1671

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

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-0689

LM75A IIC I2C High Accuracy Digital Temperature Sensor

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-0320

MAX6675 Module + K Type Thermocouple Sensor (Arduino Compatiable)

Internal integrated cold junction compensation circuit. RoboticsBD With a simple three serial SPI interface; Temperature signal can be converted into 12-bit digital Embedded thermocouple break detection circuitry. High impedance differential inputs. Operating Voltage(VDC): 3 to 5.5 Temperature Range(°C):-30°C - 150 °C Cold Junction Compensation Range(°C):...

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-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-0575

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

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

Reference: RBD-0492

Omron Proximity Sensor Switch E2E-X5MF2-Z

Proximity-sensing / Diffuse Type Voltage: DC 6-36V Current: 300mA Sensory Distance: 5mm

Reference: RBD-0722

Raspberry Pi NoIR Camera V2 8MP

8-Megapixel native resolution high-quality Sony IMX219 image sensor Cameras are capable of 3280 x 2464 pixel static images Capture video at 1080p30, 720p60 and 640x480p90 resolutions All software is supported within the latest version of Raspbian Operating System No Infrared filter making it perfect for taking Infrared photographs or photographing objects...

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-0357

GY-ML8511 Ultraviolet Light UV Sensor Module

Operating voltage (VCC): 3 V to 5V Operating current: 120μA (typical) 190μA (max) Operating Temperature: -40°C ~ +85°C Photodiode sensitive to UV-A and UV-B Embedded operational amplifier Analog voltage output Low supply current (300uA type) and low standby current (0.1uA type) RoboticsBD

Reference: RBD-0680

9 Degrees of Freedom Breakout- MPU9250

Acceleration, Gyroscope, and Magnetometer Power Supply: DC3.3V-5V Chip: MPU9250 Size: 22 mm x 17 mm. Gyro range : ± 250 500 1000 2000 ° / s Acceleration range: ± 2 ± 4 ± 8 ± 16g Magnetic field range: ± 4800uT 9 DOF modules. RoboticsBDChinese Variant MP92 QFN24 Package