Author Archives: M. Eric Carr

Constructors in FreeBASIC

FreeBASIC can be made to run arbitrary code, constructor-style, when custom types are allocated. Continue reading

Posted in BASIC, Coding | Leave a comment

Quadrature Encoders

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

New Toy: Round LCD Displays

Round, Arduino-friendly color LCD displays. These should be fun… Continue reading

Posted in Arduino, Components, Digital, Toys, User Interface Design | Tagged , , | Leave a comment

Non-Volatile SRAM

“Non-Volatile SRAM?” This, I gotta see. Continue reading

Posted in Digital, DrACo/Z80, Drexel, EET325, Toys | Leave a comment