In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units, along ...

Using PlatformIO with Visual Studio Code offers a powerful, flexible, and easy-to-use environment for microcontroller firmware development. This article describes an example of integrating PlatformIO ...

The IBM PC spawned the basic architecture that grew into the dominant Wintel platform we know today. Once heavy, cumbersome and power thirsty, it’s a machine that you can now emulate on a single board ...

Gesture control is one of the coolest ways to interact with technology—no buttons, no touchscreens, just simple hand movements. It almost feels like magic when you can control devices with a wave of ...

ESP32 microcontrollers, known for their versatility in IoT and smart home projects, also support digital audio via their I2S interface. In the first part of this series, we explore an audio-focused ...

Drones have rapidly evolved from niche hobbies to versatile tools with a wide range of applications, from photography to agriculture or even for defense and military purposes. Building a DIY drone ...

Audio processing, voice recognition, and efficient data transmission have become integral aspects of modern technology. In this step-by-step guide, we explore a hands-on ESP32 I2S Audio Processing ...

Espressif Systems has formally announced the ESP32-H4 low-power dual-core 32-bit RISC-V wireless microcontroller with support for 802.15.4 and Bluetooth 5.4 LE portfolio after having unveiled it at ...

Open source digital FPV system based on esp32cam. Wi-Fi bandwidth is insufficient for uncompressed video streaming, and the ESP32 lacks the processing power for real-time video encoding. Fortunately, ...