Category Archives: HOW-TO

Printing Large Numbers on Arduinos

Posted on 2020-08-11 by M. Eric Carr

How to print unsigned 64-bit integers simply in Arduino C, using decimal long division. Continue reading →

Posted in Arduino, C, Coding, HOW-TO, Math | Tagged 64 bit, Arduino, Arduino C, C, long integers, long long, print long long, printing long long, uint64_t, unsigned long long | Leave a comment

DIY scroll wheel

Posted on 2020-07-31 by M. Eric Carr

An Arduino Leonardo can be used to add scroll wheel functionality if your mouse doesn’t have it. Here’s how. Continue reading →

Posted in Arduino, C, Coding, Digital, HOW-TO, User Interface Design | Tagged 3d printing, Arduino, Arduino Leonardo, hid, Leonardo, mouse, quadrature, quadrature encoder, scroll, scroll wheel, trackman, usb, usb hid | Leave a comment

The Sound Of Music

Posted on 2020-05-20 by M. Eric Carr

FreeBASIC may not have the “play” command of old — but it can access Windows’ MIDI API! Continue reading →

Posted in BASIC, Coding, HOW-TO, Music | Tagged BASIC, BASIC play, BASICA play, FreeBasic, General MIDI, MIDI, Music, QBASIC play, QuickBasic play | Leave a comment

It Belongs In A Museum

Posted on 2019-10-22 by M. Eric Carr

MP4Museum is a Free, zero-setup way to turn your RPi into a kiosk video player. Continue reading →

Posted in HOW-TO, Reviews, System Administration, Tools | Tagged information appliance, kiosk, kiosk player, kiosk video, kiosk video player, MP4Museum, Raspberry Pi, RPi, video, video player | Leave a comment

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