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Introduction Would you like to unlock the full potential of a sensor? Do you enjoy challenging your limits? Well, that’s exactly what the HR202L sensor offers! HR202L is a variable capacitor with a non-linear logarithmic behavior, whose values depend highly on the ambient temperature. Whether you're new to Arduino or have been using it for a while, this guide will provide you with everything you need to get started with the HR202L sensor. By following clear instructio...

CAP1188 8-Key Capacitive Touch Sensor Features The CAP1188 8-Key Capacitive Touch Sensor is like having a magic touch for your projects! It's super easy to use and can sense touch on up to eight different buttons, giving you a bunch of options for your creations. What's cool is that you don't need to be a tech wizard to set it up – it's user-friendly and perfect for beginners. Imagine just gently touching a button, and voila, your project responds! It's like adding a touch of magic to DIY projects or ...

APDS-9930 Ambient Light Sensor Features This module consists of ambient light , IR and proximity sensors. The detection distance is up to 100 mm. The APDS-9930 sensor measures the ambient light. This sensor can also detect 0.01 Lux brightness in the dark. It can also be used behind dark glass like a mobile screen. For example, it turns off the touch screen during voice calls when your ear is close to the screen.This sensor can be used to adjust the brightness of mobile backlight and the approp...

GY-21P Module Features The GY-21P module consists of two sensors, BMP280 and SI7021, which include pressure, temperature and humidity sensors. The communication protocol of this module is I2C. This module is capable of measuring air pressure from 30,000Pa to 110,000Pa, measuring humidity from 0 to 100%, measuring altitude from 0 to 30,000 feet and measuring temperature from -40 to +85 degrees Celsius. You can download the datasheet of this module here. [wpdm_package id='17363'] [wpdm_package ...

CJMCU-0201 Double Touch Sensor Features A touch sensor is a type of switch that only has to be touched by an object to operate. Touch sensors work completely similar to a switch. This sensor has two separate pads and can be used as two separate switches. Note When this switch is subjected to touch, the output voltage will be HIGH, otherwise it is LOW. Note The output current is very low (about 40 mA). If you want to connect a higher current device to this switch, you must add a rela...

XKC-Y26-V Non-contact Liquid Level Sensor Features The XKC-Y26-V Non-Contact Liquid Level Sensor is a digital output sensor that detects the presence of liquid. There is an LED on the module, which will turn on if liquid is detected, otherwise it turns off. There is also a screw on the body of the module that you can use to adjust the sensitivity of the sensor. This sensor is suitable for dangerous applications such as detection of toxic substances, strong acids, strong alkalis, etc. ...

FC-04 Sound Sensor Features This module consists of a capacitive microphone and an amplifier circuit. The output of this module is analog. This module can be used to measure ambient noise. You can adjust the accuracy of the sensor by using a variable resistor on the device. FC-04 Sound Module Pinout FC-04 module has 3 pins: VCC: Module power supply: 5 V GND: Ground OUT: Module output (Analog) You can see the pinout in the following image. Required Materials Hardware C...

801S Vibration Module Features The 801S vibration sensor module has a digital output pin that gives HIGH output by detecting vibration up to a certain threshold. The sensitivity of this sensor can be adjusted with a potentiometer on the module. The IC on this module is LM358. This module can be used in security systems. Note The module's sensitivity is very high. You can download the datasheet of this module here. [wpdm_package id='17349'] 801S Vibration Module Pinout This sensor has 3 pins: ...

KY-031 Knock Module Features This module is a spring-based sensor that sends a HIGH signal when a vibration is detected. It can be widely used in security systems, or monitoring. You can easily use it with the Arduino board or any other microcontroller. Tip It is recommended to use microcontroller interrupt pins in order to increase accuracy. You can download the datasheet of this module here. [wpdm_package id='17426'] KY-031 Knock Module Pinout This sensor has 3 pins:  VIN: Module power...

GP2Y1010AU0F Dust Module Features The GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflected light of dust in air. It is especially effective in detecting very fine particles like cigarette smoke, and is commonly used in air purifier systems. You can download the datasheet of this module here.[wpdm_package id='18191'] ...