New Arrivals

Lower conductivity in clean air High sensitivity to Ammonia, Sulphide, Benzene steam, smoke, and harmful gases Converts conductivity change to gas concentration output signal Suitable for detecting harmful gases and smoke Sensitivity adjustable Fast response and recovery Signal output instructions...

Uses IO trigger for at least 10us high-level signal Automatically sends eight 40 kHz pulses and detects pulse signal back Measures time of high output IO duration for calculating test distance Test distance formula: (high-level time × velocity of sound...

Detects shocks using a spring mechanism Sends a signal to the Controller Board Operating voltage: 3.3V-5V Provides a digital output signal Includes bolt holes for easy installation

KY-005 Infrared Transmitter Module with a 5mm IR LED Works together with the KY-022 IR receiver module Compatible with Arduino, Raspberry Pi, and ESP8266 Operating voltage: 5V Forward current: 30 ~ 60 mA Power consumption: 90mW Operating temperature: -25°C to...

Spectral characteristics: UV light-sensitive resistors, infrared light-sensitive resistors, visible photoresistor Dark current and dark resistance: Current flowing in the photoresistor without light irradiation, ratio of applied voltage to dark current is dark resistance Sensitivity: Relative change in resistance from dark...

YL-99 Impact Switch Module compatible with Arduino boards and Raspberry Pis Provides easy integration of impact detection capabilities into your projects Suitable for various applications including robotics, home automation, and sensor-based projects High sensitivity and reliable performance for detecting impacts...

KY-039 Finger Detection Heartbeat Measuring Sensor Module for precise pulse detection Utilizes bright infrared (IR) LED and a phototransistor for accurate measurement Red LED flashes with each detected pulse for visual indication Designed to detect blood pressure pulse through the...

Versatile application: Compatible with program-controlled switches, copiers, washing machines, refrigerators, cameras, and more Wide range of uses: Suitable for disinfection cabinets, doors, windows, magnetic systems, electromagnetic relays, electronic weighing systems, and gas/water meters Compact size: Designed with a compact form...

High-quality passive piezo buzzer: The AZ-Delivery KY-006 Passive Piezo Buzzer Speaker Alarm Module Breakout Board features a reliable and high-quality passive piezoelectric buzzer for generating tones. Wide frequency range: The module can generate tones between 1.5 kHz to 2.5 kHz...

Signal output instructions included. Single signal output. Effective signal output in low level. Adjustable sensitivity for pure tone. Signal output when field cuts are detected. Switch quantity output on circuit boards.

High sensitivity to infrared waves between 760-1100nm Power supply indicator lamp and comparator output indicator lamp included AO (analog output) provides real-time thermistor voltage signal High/low electric level signal output available Analog quantity output Threshold rollover electric level output Threshold...

Hall effect sensor for detecting magnetic fields Analog transducer that outputs voltage based on magnetic field strength Used for proximity switching, positioning, speed detection, and current sensing Signal line is HIGH when no magnetic field is present Signal line goes...

Detection distance: 2-40cm Working voltage: 3.3 - 5.0V DC Current: 20mA Output signal: TTL level Effective angle: 35° Adjustment: Multi-turn resistance allows for precise calibration and customization.

Precise line tracking: The KY-033 line follower module, also known as TCRT5000, is designed for accurate line tracking on surfaces using an optical sensor. Infrared LED and phototransistor: The module consists of an infrared LED that emits infrared radiation and...

Unlimited rotation: The KY-040 Rotary Encoder Module is designed with continuous 360-degree rotation sensors, allowing for unrestricted rotation in either direction. Wide working voltage: The module operates at a working voltage of 5V, ensuring compatibility with various microcontroller systems. Resettable...

100% brand new and high quality DHT11 sensor adopts The module can detect surrounding environment of the humidity and temperature High reliability and excellent long-term stability output form digital output has fixed bolt hole and easy installation Humidity measurement range:...

Versatile infrared detection: The KY-022 module is specifically designed for infrared light detection in the range of 700nm to 1mm, making it suitable for applications such as project robots and remote control receivers. Trigger indication: When the sensor is triggered,...

Module has 4 pins, with 2 for power supply. Pin 1 is the analog output, providing a value corresponding to the intensity of the received sound. It can be connected to Arduino analog pins. Pin 4 is the digital output,...

Versatile components: The KY-019 module features a 1MΩ resistor, a LED, a 1N4007 rectifier diode, and a 5VDC relay capable of handling up to 250VAC and 10A, providing versatile functionality for various applications. Convenient interface: The module includes 3 male...

High brightness: This mini-traffic light display module features high brightness, ensuring clear and visible signal indications. Ideal for traffic light system models: The module is specifically designed for creating traffic light system models, making it perfect for educational projects or...

High-frequency RFID module: This RFID kit utilizes a 13.56 MHz RFID module board with an integrated RC522 IC for reliable and efficient contactless communication. Versatile compatibility: The module board supports the ISO 14443A/MIFARE mode library, making it compatible with a...

Sound Sensor Module with LM393 main chip and electret microphone. Working voltage: DC 4-6V. Signal output instructions with a single signal output. Effective signal output for low level. Output goes low and signal light turns on in response to sound....

Chromatic male to male color jump wire set: This package includes 40 pieces of high-quality male to male color jump wires. High quality and good working condition: The jump wires are made with high-quality materials, ensuring reliable performance and functionality....

High-quality male to male color jump wires for various electronic projects Excellent working condition and reliable performance Durable construction for long-lasting use Can be reused multiple times without compromising quality Easy installation and user-friendly design Versatile choice for construction, repairs,...