Those tiny boards with Wi-Fi-capable ESP32 ... makes the design a versatile platform on which to build your own projects and extensions. A wireless sensor for air quality, temperature and humidity are ...

Abstract: This paper presents a passive wireless sensor for simultaneously and remotely measuring pressure and temperature under harsh environments. The sensor consists of a dual LC (inductor and ...

Want instant SMS alerts from your ESP32 without relying on a bulky GSM module? Whether it's motion detection, a sudden temperature ... ESP32 PIR Sensor Interfacing tutorial as a reference. Here is the ...

It’s terse but comprehensive with links to related information. It covers the background, requirements, hardware design, sensors, email and SMS alerts, software details, and even has some ...

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 ...

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 ...

1. to hold paramount the safety, health, and welfare of the public, to strive to comply with ethical design and sustainable development practices, to protect the privacy of others, and to disclose ...

A simple transistor circuit offers an effective solution to this problem. The I 2 C bus is highly vulnerable due to its design ... a sensor or bus that has fallen asleep — in the case of the HDC2010, ...

Abstract: Temperature and humidity controlling system which has the function of alarm memory was designed by PROTEUS software. The MCU AT89C51 was used to control the whole system. The humidity and ...