Basics

Driving a Speaker

October 20, 2018 XTronical 6

Driving a Speaker – Adding an Audio Amplifier (Adding the PAM8403 to a MCU) Piezo speakers (see here) are great where you don’t need high quality or loud sound or indeed where space is at a premium. But for anything else a small (or even large speaker) is the only […]

256×320 Colour LCD (5408 driver)

September 9, 2018 XTronical 0

256×320 colour LCD screens are widely and cheaply available and very often come on a board that we can connect up to an Arduino Uno (and some other boards types). It’s then just a simple manner of adding the required libraries and trying out an example. This is all we […]

6: Frogger Completion

August 20, 2018 XTronical 2

Well, here it is, after writing the first post on this on 28th October 2017 (that’s 10 months ago!),  I’ve finally finished all that I wanted to do with it. That doesn’t mean the game is 100% arcade complete but it’s where I want to end this – for now […]

DacAudio 3.1 V3

August 13, 2018 XTronical 4

DacAudio 3.1 Version 3 is now available on the downloads page and it is advised you upgrade to this version as it fixes issues with large files over 80K or so. Under all the previous versions large files would not play at all or play for a limited amount of […]

Driving Stepper Motors (28BYJ-48)

August 11, 2018 XTronical 2

A supporting video is available for this article : Brief Introduction to Stepper Motors A stepper motor behaves just like a normal motor in so much that it has a rotating shaft but that’s where the similarity mostly ends. When hooked up to some sort of controlling device the shaft […]