Hackaday

Building An Escape Room Lockbox With The ESP32 Cheap Yellow Display (CYD)

Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called ...
IEEE

Synchronous Condenser Placement for Multiple HVDC Power Systems Considering Short-Circuit Ratio Requirements

Abstract: High voltage direct current (HVDC) power injections decrease power systems' short-circuit ratio (SCR) and the grid strength. They may cause voltage stability problems, especially in systems ...
IEEE

Constant Current and Voltage Charging for Wireless Charging Systems Based on an Ultra-simple Secondary Side Integrated Rectifier and Power Adjustment Circuit

Abstract: Aiming to achieve a compact receiver for wireless charging systems (WCSs), this letter proposes an integrated rectifier and rower adjustment (IRPA) circuit, featuring an ultra-simple ...
GitHub

Li-Fi Based Text Communication between Two Arduino

This project demonstrates Li-Fi (Light Fidelity) communication between two Arduino boards using visible light for data transmission. Text data is transmitted using an LED and a 4x4 keypad on the ...
GitHub

Tutorial series about LVGL implementation using Arduino and ESP32

This section provides the wiring guide for connecting a 2.8inch TFT display based on ILI9341 to an ESP32 development board. The table below outlines the pin connections for the display and touch ...