Hackaday

Variable-Pitch Propellers For More Efficient Quadcopter

Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight ...
IEEE

Hybrid LVRT Control of Doubly-Fed Variable Speed Pumped Storage to Shorten Crowbar Operational Duration

Abstract: Crowbar is the most widely used low voltage ride-through (LVRT) solution for doubly-fed variable speed pumped storage (VSPS) unit. However, the conventional crowbar solution suffers from ...
IEEE

Real-World Deployment and Assessment of a Multiagent Reinforcement Learning-Based Variable-Speed-Limit Control System

Abstract: This article presents the first field deployment of a multiagent reinforcement learning (MARL)-based variable-speed-limit (VSL) control system on Interstate 24 (I-24) near Nashville, TN, USA ...
GitHub

Arduino Air Purifier & Monitor

When powered on, the round 240×240 pixel display shows the current PM2.5 concentration in micrograms per cubic meter at the top, with a thick colored ring around the edge of the screen that shifts ...
GitHub

SAA1057 PLL Controller Arduino Library

A library for Arduino that provides functions to configure and operate the SAA1057 PLL integrated circuit. This library enables control over various aspects of the PLL's operation.