DHT22 temperature and humidity sensor are the main component of setup which is connected to nodemcu and nodemcu wirelessly communicates with raspberry pi. Also, developed an android application as a ...

The prototype comprises of DHT11 sensor for detecting temperature and humidity, Arduino microcontroller, mistmaker, and cooling fan. Fuzzy logic controller is installed in the Arduino microcontroller ...

What happens when an engineer builds a smart garden? This Arduino-powered system automates watering while collecting ...

The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

The Core 2 sensor attaches to a heart rate monitor to keep tabs on your body temperature during workouts, the better to ...

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There’s a clear three-level coloured VOX noise detector at the top right of the unit, and I appreciated the built-in temperature and humidity sensor. In terms of extra features, the camera can ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages ...

It also has an integrated MEMS resonator, which simplify the design and reduce the space on the board. It also includes a built-in temperature sensor that works with onboard software to keep ...

102 Temperature Alert The temperature ... Basically, this program enables the Arduino UNO R4 to connect to an existing WiFi network, so it can send an SMS alert via API when the flame sensor or smoke ...

This library supports only one DS18B20 per Arduino/ MCU ... only one sensor per pin, no parasite mode, no Fahrenheit and no alarm functions. The only feature the class supports is the asynchronous ...

A wireless sensor for air quality, temperature and humidity are already planned. CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can ...