A Newsday review found Long Island school districts had accumulated nearly $3.64 billion in cash reserves in 2024-25, an increase of 12% from the prior year. Only in Newsday COVID-19 fraud on LI ...

Simulink-based closed-loop DC motor speed control system using a PID controller, ... The system is built with an Arduino, ultrasonic sensor, and servo motor, with PID gain tuning via potentiometers.