These are some great DIY projects that you can do for cheap.

This library is experimental and implements a minimal subset of the functionality of the sensor. The library includes reading the temperature and humidity register and the manufacturer-ID register.

ESP32s are surprisingly good AI lie detectors.

The DHT11, 21, 22, 33 and 44 are relative inexpensive sensors for measuring temperature and humidity. This library can be used for reading both values from these DHT sensors. The DHT11 only returns ...

Abstract: Ventilators are an absolute must in today's healthcare for patients in respiratory distress, especially those impacted by the COVID-19 epidemic. However, especially in environments with ...

Reliable operation of data centers has become essential to nearly all sectors of modern society, including health care, education, government services, power grid operation, banking, defense and ...

[Jean-Christophe Rona] found himself with some free time and decided to finish a project he started two years ago, reverse engineering cheap 433MHz home automation equipment. He hopes to control his ...

It’s hard to deny that label printers have become more accessible than ever, but an annoying aspect of many of these cheap units is that their only user interface is a proprietary smartphone app ...

The ESP32 is a microcontroller with built-in Wi-Fi functionality, and by using the Arduino IDE, you can handle network communication relatively easily. In the previous article, we explained the ...

The Raspberry Pi Pico is a microcontroller development board powered by the custom RP2040 chip. With its dual-core ARM Cortex-M0+ processor, extensive GPIO pins, and built-in programmable I/O (PIO), ...