Abstract: This paper presents a unique way of door accessing system which uses the ESP32 microcontroller in conjunction with facial recognition technologies. Because of its Wi-Fi functionality and low ...

The Wingman HD includes GPS and a 3.5-inch screen that shows the distant to the hole.

HT is an open-source hardware VHF or UHF radio designed to plug into the USB-C port of an Android smartphone and turn it into a handheld ham radio ...

C tool with 125 MS/s sampling—perfect for fieldwork, classrooms, or your desktop Compact, cost-effective i.MX 91 development board optimized for embedded Linux development Building an indoor ...

A compact secondary display called WebScreen is being promoted as a hacker-friendly add-on for gaming and creator setups, with crowdfunding underway. It is designed to perch atop a primary monitor and ...

One of the best and most simplest use cases for an ESP32-based display is a smart home dashboard. Touch or non-touch, it doesn't matter, as a basic display can be used to show information from ...

The Zune might have joined the portable media player game too late to ever really be competition for the iPod, but that doesn ...

These days, surveillance cameras are all around us, and they’re smarter than ever. In particular, many of them are running advanced algorithms to recognize faces and scan license plates, ...

Espressif Systems' EchoEar is a compact ESP32-S3 AI chatbot designed for voice interaction and edge AI applications, for ...

My new server didn't have a Bluetooth adapter I could pass through to my virtual machine, so I built my own instead.

If one uses more than 8 external WS2812B leds (e.g. 16) lets the receiver hang in the startup process. According to the 1024 byte I2S buffer, a maximum of 21 WS2812 leds should work. Connect a WS2812B ...

I generated a 20 MHz clock signal on candidate GPIOs: GPIO40 → faint LED glow GPIO48 → faint LED glow GPIO2 → faint LED glow Others (14, 21) → no signal So ESP32-S3 can output XCLK on those pins, but ...