Category Archives: User Interface Design

Kilowatt Counter Cleverness

Posted on 2026-02-26 by M. Eric Carr

A vintage Westinghouse watt-hour meter uses a unique, efficient readout design. Continue reading →

Posted in Design, Power, User Interface Design | Leave a comment

Serial LED Matrix

Posted on 2025-12-31 by M. Eric Carr

Daisy-chained SPI interfaces and fast microcontrollers make driving large, bright LED displays easy. Continue reading →

Posted in C, Components, Electronics, Toys, User Interface Design | Tagged , | Leave a comment

MobiFlight

Posted on 2024-05-31 by M. Eric Carr

MobiFlight makes it easy to add physical controls to a flight simulator setup, using Arduino. Continue reading →

Posted in Arduino, Aviation, Flight Simulator, User Interface Design | Tagged , , | Leave a comment

Quadrature Encoders

Posted on 2022-06-30 by M. Eric Carr

Quadrature rotary encoders are inexpensive and very easy to wire up. Here’s how to use them with interrupts in Arduino C for ESP32. Continue reading →

Posted in Arduino, Building blocks, Digital, Electronics, HOW-TO, User Interface Design | Tagged , , , , , , , , , , , , | Leave a comment