Designed by Guimpt in Spain, the IoT HDMI Switch is an ESP32-C3-based open-source HDMI switch that integrates with Home ...

The PCA9698 is an I2C, 40 pins parallel IO expander. These 40 pins can be configured as INPUT or OUTPUT and are addressable via 5 banks (groups) of 8 IO pins. The library provides read/write access to ...

These days, Internet connectivity is ubiquitous, so you can look up live weather data on just about any device around you.

Abstract: This paper features the development of a video surveillance robot that utilizes an ESP32 camera module and an L298 motor driver to improve security in various applications. The ESP32 camera ...

Wi-Fi! It’s everywhere, and yet you can’t really see it, by virtue of the technology relying on the transmission of electromagnetic waves outside the visual spectrum. Never mind, ...

GFXDraw is a powerful and easy-to-use GUI library for Arduino. It offers simple elements, powerful path-based vector drawings, ready to use widgets and visual effects. The library is made especially ...

A drop in revenue is driving the Boulder Public Library District to eliminate security at three branches, reduce security at the main library, and make staffing cuts. The Meadows Library in east ...

Abstract: This paper presents a low-cost, low-power solution for real-time natural disaster or calamity location detection using the ESP32 CAM, a GPS module, and TinyML. By overlaying calamity ...