Video : USB VA meters comparison – are they any good?

November 28, 2017 XTronical 0

In this surprising video I look at three USB voltage and current meters (some do additional features calculated from the measured voltage and current) and investigate their accuracy for both voltage and current compared to a decent multimeter. Are they all the same as each other (for good or bad) […]

Frogger Ep1 : Supporting Video

November 16, 2017 XTronical 0

A supporting video is available for the Frogger Episode 1 article. Note that the project will now use an ESP32 MCU rather than the ESP8266 one mentioned in the video. See the article for clarification of why it was changed. here’s the video:

Frogger Ep1: Stopping graphics flicker and improving display speed

November 16, 2017 XTronical 0

In this first post in the “Frogger” series (Where we’ll write a working version of the arcade game Frogger) we look at solving the initially poor display speed over SPI and the associated flicker problems that occur with displaying changing or moving graphics. Frogger Ep1 : Graphics Speed and Flicker