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Heart Rate Sensor Module Features This module is designed for educational and entertainment purposes and is used to detect Cardiovascular pulse wave with finger. It uses a PPG (HRM-2511E) probe for data transmission. This sensor uses infrared light technology. If the amount of blood changes, the intensity of infrared light will change as well. This heart rate sensor has two analog and digital outputs and one LED for the digital output. You can see the heartbeat more accurately by the analog output. Featur...

Photoelectric Encoder Module Features Motors are used in a wide variety of applications such as robotics, industry, research and educational projects. In most of these applications, it is necessary to calculate the rotation speed, the direction of rotation and the position of the motor shaft. Rotary encoder modules can be used for this purpose. Rotary encoder is a type of module that converts rotation into electrical signals. The rotary encoder has two output pins: A and B. If the rotary encoder i...

AD9833 Signal Generator Module Features In many projects we need a signal with a specific waveform and frequency. The AD9833 signal generator module is a low-cost module for such applications. This module is capable of generating sine, triangular, square and half-square waveforms. You can adjust the frequency of generated signal from 1Hz to 12.5MHz. The communication protocol of this module is SPI. AD9833 Signal Generator Module Pinout This module has 7 pins:Ref: Re...

UVM30A UV Sensor Module Features Ultraviolet (UV) light is produced by sunlight. Gradual thinning of Earth's ozone layer has increased the amount of UV radiation which can lead to sunburn and other problems. UV radiation is a form of electromagnetic radiation with wavelength from 200 nm to 370 nm, shorter than that of visible light, but longer than X-rays. The UVM30A UV sensor module is used for detecting the intensity of ultraviolet radiation. This module has an analog output that changes with the int...

GUVA-S12SD UV Sensor Module Features Ultraviolet (UV) light is produced by sunlight. Gradual thinning of Earth's ozone layer has increased the amount of UV radiation which can lead to sunburn and other problems. UV radiation is a form of electromagnetic radiation with wavelength from 200 nm to 370 nm, shorter than that of visible light, but longer than X-rays. The GUVA-S12SD UV sensor module is used for detecting the intensity of ultraviolet radiation. This module has an analog output that changes wit...

3.5 INCH Full Color Touch TFT Display Features The TFT display is a kind of liquid crystal display that is connected to each pixel using a transistor, and it features low current consumption, high-resolution and backlight. The resolution is 480x320 pixels, and it has a twelve-wire SPI Parallel interface and white backlight. The driver of this display is ILI9486. Download the datasheet of this module here.  [wpdm_package id='22183'] 3.5 INCH TFT LCD Display Pin...

ML8511 UV Sensor Module Features Most electrical devices, such as desktop computers, cell phones, TV monitors, etc are sources of ultraviolet radiation. Ultraviolet radiation can cause many skin diseases and burns. Therefore, it is essential to know the amount of UV light in the environment. The ML8511 UV sensor module can be used to calculate the intensity of UV light in the environment. This sensor is quite easy to use. It outputs an analog voltage that changes linearly according to th...

SHT20 Temperature and Humidity Sensor Features The SHT20 temperature and humidity module is high-precious, full calibrated, with very low power consumption and high response speed. This sensor is a combination of a capacitive humidity sensor and a silicon band gap temperature sensor. The key features are:Temperature measurement range: -40 to +125 °CTemperature measurement accuracy: 0.3 °CHumidity measurement range: 0 to 100%Humidity measurement accuracy: 3% RHCommunication Protocol: I2C ...

MTH01 Temperature and Humidity Sensor Features The MTH01 sensor module is a suitable sensor for measuring ambient temperature and humidity. This module actually consists of two sensors: an NTC type high precision temperature sensor and a resistive type relative humidity sensor. It can communicate to different microcontrollers through SPI interface. The key features of this module are:Temperature measurement range: -40 to +70 degrees CelsiusTemperature measurement accuracy: 0.5 degrees CelsiusHumidity m...

Overview Suppose you want to make a 4x4x4 LED matrix. You will need 64 digital pins to control such an LED matrix. So, it would not be affordable if you decided to choose a microcontroller which has that number of digital pins. So, what is the alternative? In such cases, the most suitable way is to use a shift register to increase the number of digital pins of your microcontroller. Increasing the number of digital pins of microcontrollers is among the most attractive and practical topics. In many applicatio...