XDA Developers on MSN

5 ESP32 projects that turned out more useful than any store-bought smart device

Local-first wins.
Hosted on MSN

I built a $15 ESP32 smart clock that does things no store-bought one can

Commercial smart alarm clocks run $50 to $150 for a device that does exactly what the manufacturer decided it should do. You can't expand it or change it, and what you bought is what you get. Mine, on ...
GitHub

Clock Matrix with Raspberry Pi Zero and 4x1 Dot matrix (MAX7219)

Clock Matrix with Raspberry Pi Zero and 4x1 Dot matrix (MAX7219) I wanted to use some hardware I had lying around to build a simple clock that I could keep in my room with a webcam I could position to ...
IEEE

Weak Invisible Dot Matrix Recognition Algorithm Based on Image Processing and Frequency Modulation Pulse Duty Cycle

Abstract: Aiming at the problem of weak invisible dot matrix data being interfered by the background in the process of reading, which leads to the accuracy and slow speed of the reading algorithm, and ...
IEEE

Adaptive Switch Matrix for PV Module Connections to Avoid Permanent Cross-Tied Link in PV Array System Under Non-Uniform Irradiations

Abstract: In this paper, the significance of cross-tied link between the solar photovoltaic (PV) modules in an array during partial shading conditions (PSCs) is introduced. In order to conduct a ...