IR Transmitter & Receiver - 3mm General Description This 3mm Transmitter & Receiver pair can be used for various applications like used in remote controls, distance sensor, object sensors, line sensors etc. The receiver(black color) can be used as phototransistor. Specifications: Working wavelength: 925-955nm. Size..

D1 Mini WIFI internet of things  Description: This is D1 Mini V2 NodeMcu 4M Bytes WIFI IOT ESP8266 based Development Board, it is a mini WIFI board based on ESP-8266EX. 11 digital input/output pins, all pins have interrupt/PWM/I2C/one-wire supported(except D0) 1 analog input(3.3V max input) and a Micro USB connection.The development board..

Hall Effect BiPolar Sensor (A3144/WSH130) General Description Hall-effect sensors accurately track extremely small changes in magnetic flux density—changes generally too small to operate Hall-effect switches.   As motion detectors, gear tooth sensors, and proximity detectors, they are magnetically driven mirrors of mech..

Mini PIR Motion Sensor Module [Original] HC-SR505 Mini PIR Motion Sensor Infrared Detector Module is based on infrared technology, It automatically controls the products with high sensitivity, high reliability, ultra-small size, and ultra-low-voltage operation mode.It is widely used in various auto-sensing of electrical equipment, especially batte..

LDR 5mm - Photocell Features Coated with epoxy Good reliability Small volume High sensitivity Fast response Good spectrum characteristicSpecifications:Light resistance : 0-20ΚOhmDark resistance : 1ΜOhm (Min)Max voltage : 150VMax power: 100mWDimensions: 2 x 4 x 5mmPitch between pins: 4mmLead length: approx. ..

Oximeter Digital Pulse - LED spo2 - Oxygen Level - Heart rate (Battery included) Description: Pulse Oximeter displays stable/constant reading in few seconds (24 sec. for the most accuracy) and it provides quick information about your blood oxygen levels. This is a compact and lightweight device, which allows you to carry it with you and stay h..

PIR Motion Sensor Module [Original] High sensitive passive infrared motion sensor with stable digital output. Features/Specifications Operating voltage: DC5V to 20V Static power consumption: 65 microamps level output: high-3.3V, low-0V Delay Time: adjustable (0.3 seconds to 18 seconds) Embargo time: 0.2 secon..

UltraSonic Sensor Pair (Transmitter & Receiver) : Transducer Pair Pair of Ultrasonic compact Transmitter & Receiver sensor which can be used to build object sensor, distance sensor, motion sensor etc with high-performance characteristics. Standard operating frequency (40Khz) and good sensitivity. Ideal for robot applications, alarm sens..

WIFI internet of things - Node MCU with CP2102 Development Module Board - (High Quality) Description: The ESP8266 NodeMCU CP2102 board has ESP8266 (12-e) which is a highly integrated chip designed for internet connected world. A complete and self-contained Wi-Fi data networking solution, allowing an implementation for wide range of application..

IR Transmitter & Receiver -5mm General Description This 5mm Transmitter & Receiver pair can be used for various applications like in remote controls, distance sensor, object sensors, line sensors etc. Specifications: Working wavelength: 925-955nm. Size: 5mm *Image shown is a representation only...

L14G2/G3 - Phototransistor General Description L14G2/G3 is an NPN phototransistor. It acts as a photodetector in the sense that it can convert the incident light into electric response. They are commonly used as sensors usually paired with a light source like LED.    These are the bipolar transistors having a transparent c..

LDR 8mm - Photocell Features Coated with epoxy Good reliability Small volume High sensitivity Fast response Good spectrum characteristic *Image shown is a representation only...

LPG Gas Sensor Module General Description The LPG Gas sensor Module for use in Home or Factory to warn of fatal LPG build-ups. The module uses MQ-6 sensor to sense LPG leak. It's ready to run circuit with no additional circuitry. Corresponding to the concentration of the gas it provides both analog and digital output. The output interfa..

LPG Gas Sensor Module - MQ5 General Description This MQ-5 Methane LPG Liquid Propane Gas Sensor Module is widely used in gas leakage detecting pieces of equipment in family and industry, are suitable for detecting of LPG, natural gas, town gas, avoid the noise of alcohol and cooking fumes and cigarette smokeThe MQ5 ( MQ-5 ) is used in gas l..

MQ7 - CO Gas Sensor Module General Description 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. The dr..