Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

When light reflects off a surface, not all of it reflects off at the same wavelength; some photons impart a portion of their ...

Run your ESP32 and Arduino sketches on macOS or Linux. The HTTP server listens on localhost with real POSIX sockets — test with curl, your browser, or integration tests. No QEMU, no Wokwi, no hardware ...

Pipelines play a critical role in transporting essential resources that support daily life and industrial operations. The expansion of industrial activity and infrastructure development has ...

The sensor continuously sends out infrared light and measures how much of that light is reflected. When a reflective object is within its set detection range, it returns a low signal. The Arduino ...

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, ...

Each year, students in the Saint Louis University School of Science and Engineering participate in research and design capstone experiences. At the SSE Undergraduate Showcase, students present posters ...

Infrared line tracker modules hardly need an in-depth explanation as they’re very familiar to most electronics and robotics hobbyists. In this post I’ll discuss a popular and cheap infrared line ...

The Open Sorts sorting machine is designed to sort and potentially catalog cards for Magic: The Gathering. It is constructed from Lego pieces and easily obtainable non-Lego components. As of 3/13/2022 ...