MQ-5 Smoke Gas Detector Sensor

5 Way Flame/Fire Sensor

5 Way Flame Sensor Module Digital Analog Output Fire extinguisher Robot Arduino  

YF-S201 Hall Effect Water Flow Meter / Sensor

Features: Model: YF-S201 Sensor Type: Hall effect Working Voltage: 5 to 18V DC (min tested working voltage 4.5V) Max current draw: 15mA @ 5V Output Type: 5V TTL Working Flow Rate: 1 to 30 Liters/Minute Working Temperature range: -25 to +80℃ Working Humidity Range: 35%-80% RH Accuracy: ±10%

HX1838 NEC Code Infrared Remote Control Module DIY Kit

HX1838 NEC Code Infrared Remote Control Module DIY Kit

VGA OV7670 CMOS Camera Module Lens CMOS 640X480 SCCB W/ I2C Interface Arduino

VGA OV7670 CMOS Camera Module Lens CMOS 640X480 SCCB W/ I2C Interface Arduino

FPM10A Optical Fingerprint Reader Sensor Modules (With Shield)

FPM10A Optical Fingerprint Reader Sensor Modules Connect RoboticsBD Fingerprint Shield on top the Arduino Uno R3 Install Adafruit Fingerprint Library (Check Download Tab) Upload this code to Arduino Uno Board (Arduino Code SFG Demo) Run SFG Demo V2.0 Windows Test Software as Administrator

Water Level Sensor Depth of Detection Water Sensor for Arduino

Smart Speed Detecting Sensor for Arduino

Proximity Sensor Switch E2E-X5MF2

5mm PNP Proximity Sensor Switch E2E-X5MF2

Arduino SD card Module

Arduino SD card Module

Ultrasonic sensor HC - SR04

Angle Sensor Module for Arduino SW-520D

Angle Sensor Module for Arduino High-sensitivity angle sensor SW-520D Comparator output, clean signal, great waveform, strong driving ability, more than 15mA Distribution positioner sensitivity adjustment Working voltage: 3.3V~12V Output form: Digital switching output (0 and 1) With fixed bolt hole for easy installation

BH1750FVI Digital Light intensity Sensor

Chip: BH1750FVI Power Supply: 3.3V - 5V Light Range：0 - 65535 lx(Lux) Sensor Built-in: 16 bit AD converter Size(L x W): Approx. 3.2cm x 1.5cm Direct digital output, bypassing the complex calculation, bypassing the calibration Close to the spectral characteristics of visual Widely used to 1-lux high precision measurement Standard NXP IIC communication...

PL2303 USB to TTL Serial Converter (Windows 7 & 10 Compatible)

PL2303 USB to TTL Converter Windows 7 & 10 Compatible

HR202 Humidity Detection Sensor Module

Voltage to Current Transmitter Signal Module 0-5V to 4-20mA Linear Conversion

Voltage to Current Transmitter Signal Module 0-5V to 4-20mA Linear Conversion

Humidity Detection Sensor Module Snow Rain Raindrops Detection For Arduino

HC-020K Double 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

IR Infrared Obstacle Avoidance Sensor Module

HSM-20G analog temperature & humidity sensor

RTD PT-100 Temperature Sensor

0-400C PT100 Type 5mm x 50mm Temperature Controller Probe 2 Meters

MQ-3 Alcohol Gas Sensor

MQ-3 Alcohol Ethanol Sensor Breath Gas Detector Ethanol Detection For Arduino

Force Sensitive Resistor 0.5"

Description: This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance.

RC522 RFID Card Reader Module Kit Android NFC supported

Specification: Module Name: MF522-ED Working current：13—26mA/ DC 3.3V Standby current：10-13mA/DC 3.3V sleeping current：<80uA peak current：<30mA Working frequency：13.56MHz Card reading distance ：0～60mm（mifare1 card） Protocol：SPI data communication speed：Maximum 10Mbit/s

Voice Recognition Module Kit V3 (Elechouse)

V3 Kit Voice Recognition Module BoardFor Arduino Compatible Sensor Voice Recognition Module is a compact and easy-control speaking recognition board.This product is a speaker-dependent voice recognition module. It supports up to 80 voice commands in all. Max 7 voice commands could work at the same time. Sample Code & Library and Manual is available...

MQ-135 Gas Sensor

MQ-135 module is widely used in air quality control equipments for buildings/offices, are suitable for detecting of NH3,NOx, alcohol, Benzene, smoke,CO2 ,etc

AD8232 ECG Measurement Module Kit

Description:The AD8232 ECG Measurement Module is a neat little chip used to measure the electrical activity of the heart.

Current Sensor ACS712-30A

Product Description 1. Current sensor chip: ACS712ELC-30A. 2. Pin 5V power supply, on-board power light. 3. The module can be measured plus or minus 30A current, Corresponding analog output of 66 mV / A. 4. No test current through, the output voltage is VCC / 2. 5. PCB size: 31 (mm) x13 (mm). 

Formaldehyde/ Formalin Detection Sensor

VOC gas sensors are used to detect formaldehyde, toluene, benzene, etc., is a type of semiconductor sensors, it is widely used in ventilation, ventilation fans, air filters, hood, hood and other equipment. With high sensitivity and stability, able to detect more than 0.1ppm gas, air suitable for detecting a variety of volatile organic components...

Brand: SparkFun Electronics

LIDAR-Lite v3

Features: Range: 0-40m Laser Emitter Accuracy: +/- 2.5cm at distances greater than 1m Power: 4.75–5V DC; 6V Max Current Consumption: 105ma idle; 130ma continuous Rep Rate: 1–500Hz Laser Wave Length/Peak Power: 905nm/1.3 watts Beam Divergence: 4 m Radian x 2 m Radian Optical Aperture: 12.5mm Interface: I2C or PWM

Knock Sensor Module KY-031 For Arduino ,PIC, AVR, Raspberry pi

Description knock sensor module and a digital interface, built-in LED build a simple circuit to produce percussion flasher.Interface comes with digital LED, will knock sensor connected digital 3 interface, when percussion sensor senses measure to percussive signals, LED flashing light.