MQ-135 Gas Sensor

DHT22 Digital Temperature Humidity Sensor Module

Honeywell HMC5983 Temperature Compensated Three-Axis Digital Compass

The HMC5983 includes our state-of-the-art, high-resolution HMC118X series magnetoresistive sensors plus an ASIC containing amplification, automatic degaussing strap drivers, offset cancellation, and a 12-bit ADC that enables 1° to 2° compass heading accuracy. The I²C or SPI serial bus allows for easy interface.

IR Infrared Remote Decoder Encoding Transmitter & Receiver Wireless Module

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

Air Quality Breakout - CCS811

CCS811 Carbon Monoxide CO VOCs Air Quality Digital Gas Sensor Total Volatile Organic Compound (TVOC) sensing from 0 to 1,187 parts per billion eCO2 sensing from 400 to 8,192 parts per million Five Operating Modes Integrated MCU Onboard Processing Standard I2C Digital Interface Optimized Low-Power Modes Optional NTC Thermistor Pins

ADXL345 Triple Axis Accelerometer Breakout

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%

Digital Tachometer Speed Module Sensor for Arduino UNO

A tachometer is a simple module that allows you to test the speed of the motor.Widely used for motor speed detection, Pulse count, position limit, and so on.

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

Line Follower Sensor- 8 Array

Compatible with Pololu QTR-8RC Library  Max Distance from Ground: 3mm. Digital Line Follower Parameters: 1. Working voltage:5V2. 8-channel infrared detector / IR Reflectance  Applications: 1. Robot2. Smart Car3. Laboratory4. DIY

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.

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.

MQ-2 Flammable Gas & Smoke Sensor

Gas Sensor(MQ2) module is useful for gas leakage detection (home and industry). It is suitable for detecting H2, LPG, CH4, CO, Alcohol, Smoke or Propane. Due to its high sensitivity and fast response time, measurement can be taken as soon as possible. The sensitivity of the sensor can be adjusted by the potentiometer.

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.

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...

Humidity Detection Sensor Module Rain Detection for Arduino

Humidity Detection Sensor Module Rain Detection for Arduino

5 Way Flame/Fire Sensor

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

FM Transmitter Module Wireless Microphone Surveillance Frequency 88-108MHz

FM Transmitter Module Wireless Microphone Surveillance Frequency 88-108MHz

801S Vibration Sensor Module vibration Analog Output Sensitivity LM393

01S Vibration Sensor Module vibration Analog Output Sensitivity LM393Size: 41 * 15 * 12.5mm The main chip: LM393, vibrating probe Operating voltage: DC 3-5V Main features: Has a signal output instructions; With analog and TTL-level signal output signal; Output valid signal is high, the light goes out; Adjustable sensitivity (fine-tuning); Vibration...

TCS230 TCS3200 Color Sensor Recognition Module

U-Blox NEO-6M GPS Module

1) A complete GPS module with an active antenna integrated, and a built-in EEPROM to save configuration parameter data.2) Built-in 25 x 25 x 4mm ceramic active antenna provides strong satellite search capability.3) Equipped with power and signal indicator lights and data backup battery.4) Power supply: 3-5V; Default baud rate: 9600bps.5) Interface: RS232 TTL

Force Sensitive Resistor - Square

Description: This is a force sensitive resistor with a square, 1.75x1.5", sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area

Reference: Venus GPS Sparkfun

Brand: SparkFun Electronics

Venus GPS with SMA Connector

Features: Up to 20Hz update rate -148dBm cold start sensitivity -165dBm tracking sensitivity 29 second cold start TTFF 3.5 second TTFF with AGPS 1 second hot start 2.5m accuracy Multipath detection and suppression Jamming detection and mitigation SBAS (WAAS / EGNOS) support 67mW full power navigation Works directly with active or passive antenna

Thermocouples - K Type 800C WRN-291 200mm Rod

Thermocouples - K Type 800C WRN-291 200mm Rod 7.8 inch Rod/ 200mm Rod Screw Type

Humidity Detection Sensor Module Snow Rain Raindrops Detection For Arduino

IR Infrared Obstacle Avoidance Sensor Module

MQ-7 Carbon Monoxide Gas Sensor

MQ-7 Carbon Monoxide Gas Sensor This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm. This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance.

UART EM4100 RFID Card Reader RDM6300

Overview RDM6300 125KHz cardreader mini-module is designed for reading code from 125KHz card compatible read-only tags and read/write card . It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc.

MAX31865 SPI PT100/PT1000 RTD-to-Digital Converter Board

Infrared Line Track Tracker Follower Sensor