Tag Archives: humidity

Sensirion presents CO2 and RH/T Sensor Module

At this year’s AHR Expo 2018 trade show in Chicago (January 22 – 24, 2018), Sensirion, the expert in environmental and flow sensor solutions, is introducing the SCD30 – a humidity, temperature and carbon dioxide concentration sensor.

CMOSens® Technology for IR detection enables highly accurate carbon dioxide measurement at a competitive price. Along with the NDIR measurement technology for CO2 detection, a best-in-class Sensirion humidity and temperature sensor is also integrated on the same sensor module. Ambient humidity and temperature can be outputted by Sensirion’s algorithm expertise through modeling and compensating of external heat sources without the requirement for any additional components. Thanks to the dual-channel principle for the measurement of carbon dioxide concentration, the sensor compensates for long-term drifts automatically by design. The very small module height allows easy integration into different applications.

Carbon dioxide is a key indicator of indoor air quality. Thanks to new energy standards and better insulation, houses have become increasingly energy efficient, but the air quality can deteriorate rapidly. Active ventilation is needed to maintain a comfortable and healthy indoor environment, and to improve the well-being and productivity of the inhabitants. Sensirion’s SCD30 offers accurate and stable CO2, temperature and humidity monitoring. This enables customers to develop new solutions that increase energy efficiency and simultaneously support well-being. With the new SCD30, Sensirion has expanded its portfolio to include environmental sensor for air quality measurement.

Visit Sensirion at AHR Expo 2018 (Booth 3858) and learn more about the SCD30, Sensirion’s new humidity, temperature and carbon dioxide sensor module.

Discover more about relevant environmental parameters and Sensirion’s other innovative environmental sensors at www.sensirion.com/environmental-sensing

RoomSense Board offers multiple sensors including PIR motion detection

 

RoomSense Board is an Occupancy and Air Sensor.

It can detect movement and room conditions and connect over WiFi with a passive IR occupancy sensor, barometer, temperature and humidity sensors, and the Microchip ATSAMW25 module. Pre-flashed with the Arduino bootloader, the RoomSense is easily deployable as a home automation device by developers of all skill levels.

This tiny USB dongle uses a passive IR motion detector, and temperature, humidity and barometric sensors to monitor a room’s conditions and occupancy. The Microchip ATSAMW25 provides a SAMD21 Cortex-M0+ MCU and WiFi connectivity. It integrates easily with cloud IoT platforms such as MyDevices Cayenne.

Features

  • ARM Cortex-M0+ MCU at 48 MHz
  • 802.11b/g/n WiFi
  • Barometer, humidity and temperature sensors
  • Passive IR motion detector
  • Powered over USB

RoomSense Board offers multiple sensors including PIR motion detection – [Link]

Raspberry Pi Internet Weather Station

The RPi Internet Weather Station project displays the weather information such as temperature, humidity and successive weather forecast.

The 4DPi-35-II is a 3.5″ 480×320 Primary Display for the Raspberry Pi, which plugs directly on top of a Raspberry Pi and displays the primary output which is normally sent to the HDMI or Composite output. It features an integrated Resistive Touch panel, enabling the 4DPi-35-II to function with the Raspberry Pi without the need for a mouse.

Raspberry Pi Internet Weather Station – [Link]

Bosch BME280 sensor combines pressure, humidity and temperature measurement

Bosch Sensortec announces a world first in sensor technology: the BME280 Integrated Environmental Unit combines sensors for pressure, humidity and temperature in a single package. This unique sensor has been developed to support a broad range of emerging high performance applications such as indoor navigation, home automation control, personalized weather stations and innovative sport and fitness applications. The precise altitude measurement function of the BME280 is a key requirement in applications such as indoor navigation with floor tracking where exceptional accuracy, low temperature drift and high resolution are needed. Additionally, the BME280 has a best-in-class response time of just one second for humidity determination, excellent ambient temperature measurement and low energy consumption.

More precise measurement at lowest power consumption

With a small footprint of just 2.5 x 2.5 mm2and a height of 0.93 mm in a space-saving 8-pin LGA package, the sensor offers high design flexibility and is ideally suited for mobile devices with limited space such as smartphones, tablets, smart watches and electronic wristbands. Very low current consumption of only 3.6 µA (at 1 Hz) makes the BME280 Integrated Environmental Unit particularly suitable for battery-driven applications. Three power modes and separately configurable oversampling rates for pressure and temperature measurements allow designers to adapt the BME280 to a wide range of use cases.

The humidity sensor within the Integrated Environmental Unit measures relative humidity (0% to 100%) across a wide temperature range from -40°C to +85°C with a fast response time of less than 1 second. The humidity measurement accuracy is ±3% with a hysteresis of 2% or better, and the temperature reading accuracy is within 0.5°C.

more details on the Bosch Press Release.

Arduino Weather Station using DHT11

Using a display to view the temperature and humidity of your environment can be possible using the DHT11 or DHT22 sensor with the easy to use Arduino microcontroller platform and that’s the goal of this project. For this project, we will be using the 16×2 LCD display module to display the temperature and humidity readings gathered from the environment using the DHT11 temperature and humidity sensor.

Arduino Weather Station using DHT11 – [Link]

BME680 measures pressure, humidity, temperature and indoor air quality

The BME680 measures pressure, humidity, temperature and indoor air quality. by Bosch Sensortec:

BME680 is an integrated environmental sensor developed specifically for mobile applications and wearables where size and low power consumption are key requirements. Expanding Bosch Sensortec’s existing family of environmental sensors, the BME680 integrates for the first time individual high linearity and high accuracy sensors for gas, pressure, humidity and temperature. It consists of an 8-pin metal-lid 3.0 x 3.0 x 0.95 mm³ LGA package which is designed for optimized consumption depending on the specific operating mode, long term stability and high EMC robustness.

BME680 measures pressure, humidity, temperature and indoor air quality – [Link]

Air Quality Sensors on tindie.com

Pesky Products @ tindie.com writes:

This is a small (17.9 mm x 10.3 mm) breakout board with Bosch’s BME280 pressure, temperature, and humidity sensor as well as AMS’ CCS811 digital gas sensor. The sensors work in concert to provide a complete measurement via I2C register reads of indoor air quality including temperature- and humidity-compensated estimates of equivalent CO2 concentration in parts per million (400 – 8192 ppm) and volatile organic chemical concentration in parts per billion (0 – 1187 ppb).

Air Quality Sensors on tindie.com – [Link]

Wooden Digital Clock is controlled over WiFi

androkavo @ instructables.com build a nice looking wooden clock that is able to show time, temperature, humidity and also it has alarm. The clock is controlled through your web browser using wifi connectivity and it also has a vibration sensor to stop the alarm.

Wooden Digital Clock is controlled over WiFi – [Link]

How to Set Up the DHT11 Humidity Sensor on an Arduino

circuitbasics.com has a new tutorial on how to interface DHT11 humidity sensor to Arduino board. Sample code is provided

Because of their low cost and small size, DHT11 humidity and temperature sensors are perfect for lots of different DIY electronics projects. Some projects where the DHT11 would be useful include remote weather stations, home environment control systems, and agricultural/garden monitoring systems.

How to Set Up the DHT11 Humidity Sensor on an Arduino – [Link]

Intel(r) Quark(tm) micrcontroller D2000 based Environmental sensors board

Sergey Kiselev designed and built an Intel Quark D2000 micrcontroller based Environmental sensors board:

This is a fairly small (51 x 51 mm) board, equipped with a low power Intel Quark D2000 microcontroller, and several sensors (accelerator, temperature, humidity, atmospheric pressure), as well as a mikroBUS compatible header and a Grove compatible connectors, that can be used to connect additional sensors, memory, or radio modules. The board can be used to monitor the environment conditions, and store or transmit the data to a remote system for further processing.

Intel(r) Quark(tm) micrcontroller D2000 based Environmental sensors board – [Link]