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MPL3115A2 Pressure/Altitude Sensor Features The MPL3115A2 pressure and altitude sensor is a MEMS pressure sensor that generates altitude data. The sensor outputs are converted to digital data by high-resolution 24bit ADC and transfer over I2C, which means that this module easily communicates with most microcontrollers. The unit of pressure and height is Pascal and meter respectively. The module also measures 12-bit temperature in degrees Celsius. MPL3115A2 Module Pinout ...

LPS331AP Pressure/Altitude Module Features This small board has an LPS331AP pressure sensor or barometer. The communication protocol of this module is I2C and SPI. In addition to measuring pressure and altitude, this module can also measure temperature. LPS331AP Sensor Pinout This sensor has 9 pins. 4 pin are more useful:+5V: Module power supply – 5 VGND: GroundSLC: I2C ClockSDA: I2C dataYou can see pinout of this module in the image below. ...

SHT31 Temperature & Humidity Sensor Features SHT31 is a digital temperature and humidity sensor. This module uses I2C communication and there are two SCL and SDA pins that are needed to be hooked up in order to communicate to this sensor. This sensor is ideal for temperature and humidity sensing. Temperature measurement range: -40° +125°/ Accuracy ±0.3C° Humidity measuring range: 0-100% RH°/ Accuracy ±2% You can download the datasheet of this module here. [wpdm_package id=...

Overview A keypad is a device that can be used to receive input data from user. In this project, you will first learn how to interface a 4x4 keypad with Arduino, and then you will Build a simple calculator using a keypad. What You Will Learn What is keypad Different kind of keypads How does keypad work How to interface keypad with Arduino How to interface keypad in different methods Build a calculator How Does A Keypad Work? Since past until now, there has been various methods to en...

R308 Biometric Fingerprint Module Features R308 biometric fingerprint module is a high-precision, high-performance matching algorithm and high-capacity flash chip. It works based on fingerprint image processing, matching, memory search and performing and desired functions. It uses serial communication in order to communicate with microcontroller. The default Baud Rate is 57600, and it is not possible to change it. This module can store up to 500 fingerprints. You can down...

TM7711 24-bit Pressure Module Features The TM7711 is a 24-bit 2-channel analog-to-digital converter used to measure resistance changes. This module is widely used in load cell and air pressure sensors. This module features high accuracy, quality and cost-effectiveness. Note This module does not support I2C communication. You can download the datasheet of this module here. [wpdm_package id='18020'] TM7711 24-bit Pressure Module Pinout This sensor has 8 pins: VIN: Module power supply – 3.3-5...

R305 Optical Fingerprint Features R305 biometric fingerprint module is a high-precision, high-performance matching algorithm and high-capacity flash chip. It works based on fingerprint image processing, matching, memory search and performing and desired functions. R305 uses serial communication in order to communicate with microcontroller. The default Baud Rate is 57600, and it is not possible to change it. This module can store up to 980 fingerprints. It features a USB cable so you can...

Load Cell Sensor Features Load cells are electronic sensors that are able to measure weight and force. The body is usually made of aluminum, alloy steel, or stainless steel which makes it very sturdy but also minimally elastic. This elasticity gives rise to the term "spring element", referring to the body of the load cell. When force is exerted on the load cell, the spring element is slightly deformed, and unless overloaded, always returns to its original shape. Load cell capacity is equal to the maximum am...

MPU9250 + BMP280 Module Features This IMU module is a small board which all the sensors required for 10 degrees of freedom are placed in. This module communicates with the Arduino or microcontrollers via the I2C interface. Using the existing FreeIMU functions and source code, you can easily use this IMU as an AHRS system in flight controls. You can use this module in VTOLs, model airplanes, UAVS, and also industrial and medical devices. GY-91 Module Pinout This s...

NEO-7M GPS Module Features GY-NEO-7M module is an advanced GPS module that supports UART communication protocol with active antenna. You can interface this module easily with any microcontroller. This module has a rechargeable battery and can also be connected directly to a computer using a USB to TTL converter.This module can receive data and then calculate the geographical position with a very high accuracy and speed. In addition to supporting BeiDou, Galileo, GLONASS, GPS / QZSS, the module has inter...