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BMP280 Pressure Sensor Features The BMP280 barometric pressure module is a tiny sensor to measure barometric pressure. Its small dimensions and its low power consumption allow for the implementation in battery powered devices such as mobile phones, GPS modules or watches.The key features are:Pressure range: 300 to 1100 hPaCapable of measuring temperaturePressure measurement accuracy: 0.12 hPaSupport I2C communication up to 3.4 MHzSupport SPI communication up to 10 MHzApplications:Indoor navigationWeath...

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. ...

DHT22 Temperature Humidity Sensor Features The DHT22 Temperature Humidity Sensor is a great choice for measuring ambient temperature and humidity. This sensor consists of a capacitive humidity sensor and a heat resistor. The DHT22 sensor has a wide range of temperature and humidity measurement. It can measure temperature in range of -40 to +125 degrees Celsius with 0.5 degrees Celsius accuracy. Humidity is measured in range of 0 to 100% with 2.5% accuracy. This sensor transmits data through a single di...

DHT21/AM2301 Temperature and Humidity Sensor Features The AM2301 / DHT21 temperature and humidity sensor consists of two sensors: A capacitive humidity sensor and a thermistor. This sensor transmits data using a single digital pin, so it can communicate with the microcontroller using only one digital pin. The sampling frequency is 0.5Hz, which means that you can get new data every two seconds. DHT21/AM2301 Temperature and Humidity Sensor Pinout This Module has 3 w...

TTP224 Capacitive Touch Sensor Module Features This 4 Channel Capacitive Touch Sensor Module uses the TTP224 IC and is actually a combination of 4 capacitive touch sensors. This module has 4 outputs, by touching each button from 1 to 4, the corresponding output will be High. There are also 4 LEDs on the module that will turn on by touching each button. TTP224 Capacitive Touch Sensor Module Pinout This module has 12 pins and 4 touch buttons:6 pins on the Right:OUT1: ...

BME280 Sensor Module Features The BME280 sensor module is a high-accuracy module for measuring temperature, humidity and atmospheric pressure. The key features are:Temperature Measuring range: -40 to +80 degrees Celsius; Accuracy: 1 degree Celsius In the range of 0 to +65 and 1.5 degrees Celsius out of this rangehumidity: 0-100%RH; Accuracy: 3%RH.pressure: 330hPa to 1100hPa. Accuracy: 1hPaThis module also calculates altitude indirectly using atmospheric pressure. The communication protocol of this sens...

MPR121 Capacitive Touch Sensor Features The MPR121 capacitive touch sensor module is a high-precision touch sensor. This module has 12 touch buttons and supports I2C communication and can be easily interfaced with any microcontroller. There is no regulator on the board, so the supply voltage should be between 1.7 to 3.6VDC. MPR121 Capacitive Touch Sensor Pinout This module has 18 pins:6 Pins on the left:VCC: Module power supply – 3.3VIRQ: Interrupt outputSCL: Se...

MTH02 Temperature and Humidity Sensor Features There are various types of temperature and humidity sensors on the market in terms of price, accuracy and measurement range. The MTH02O is one the smallest type of these sensors. This sensor uses a digital pin to transfer the temperature and humidity data.Features:Low power consumptionSmall sizetemperature Measurement range: -40°C to +70°C with 0.5°C accuracyHumidity range: 18% to 98% with 3% accuracyApplication:HVACConsumer ProductsTesting and measur...