Category Archives: Design

Kilowatt Counter Cleverness

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

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

The USB-C High Voltage Hydra: Don’t Get Bit!

USB-C multiple-device charging cables can subject devices to excessive voltage. Here’s the story. Continue reading

Posted in Design, Digital Citizenship, Electronics, Power | Tagged , , , , | Leave a comment

Hardware As Firmware

A 3D printer is used to teach a 1967 Sears sewing machine new patterns. Continue reading

Posted in 3D Printing, Design, Mechanical, Nostalgia, Tools | Leave a comment

PCBWay

The Hex Decoder project finally gets a modern PCB, thanks to PCBWay. Continue reading

Posted in Design, Digital, DrACo/Z80, EET325, Electronics, PIC Microcontrollers, Reviews | Leave a comment