This article will help you build a simple Arduino-based DCC system. Growing up in the 1980s I was living the dream. I had an HO layout on a 4 x 8 sheet of plywood in my parents' basement in Reading, ...

Ivan Miranda has released the design files for the Mirandetta, a 3D-printed electric motorbike that breaks down to fit inside a suitcase. He has re-engineered the vehicle so that every part prints on ...

We can see wall-climbing robots from hobby-level to serious problem-solving ones that are used for inspection, surveillance, cleaning, etc. When we generally talk about robots, a robot can be a ...

Prologue — Why an ESP32 Drone Now? March 2026. A video posted by DIY engineer "Max Imagination" on YouTube shook the hobbyist world. The title was "Build The Smallest ESP32 Brushless Rocket Drone | ...

Back in the 486 days, it was common to see a “Turbo” button on the front panel of many PCs, which was used to toggle between the CPU’s maximum speed and a slower clock rate that was sometimes ...

Most security professionals will tell you that it’s a lot easier to attack code systems than it is to defend them, and that this is especially true for large systems. The white hat’s job is to secure ...

GPIO 16 (RX2) CRSF RX → ESP TX pin Orange UART2, ExpressLRS receiver GPIO 17 (TX2) CRSF TX → ESP RX pin White UART2, ExpressLRS receiver GPIO 25 ESC M3 (BL, Rear-Left) signal — DShot300, CCW motor ...

constexpr size_t m_frameSizeMP3 = 18000; // more than one icy-metaint constexpr size_t m_frameSizeAAC = 18000; // more than one icy-metaint constexpr size_t m_frameSizeFLAC = UINT16_MAX; // max ogg ...

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