https://blog.florin-andrei.workers.dev/tags/electronics/Recent content in Electronics on Florin's blogHugoen-usSun, 30 Apr 2017 03:48:44 -0700https://blog.florin-andrei.workers.dev/making-tachometer-grinding-polishing-machine-telescope-mirrors/Sun, 14 Feb 2016 18:41:51 -0800https://blog.florin-andrei.workers.dev/making-tachometer-grinding-polishing-machine-telescope-mirrors/<p>When making a telescope mirror on the machine, two parameters are important: the rotation speed of the mirror, and the rotation speed of the overarm eccentric. Other environmental parameters also matter: temperature and humidity are foremost here. To more easily monitor and display these variables, I&rsquo;ve built an electronic device that collects this data and shows it on the control panel. This is how to build the device.</p>https://blog.florin-andrei.workers.dev/how-make-halloween-creepy-blinking-eyes-atmel-avr-microcontroller/Mon, 31 Oct 2011 23:25:22 -0700https://blog.florin-andrei.workers.dev/how-make-halloween-creepy-blinking-eyes-atmel-avr-microcontroller/<p>An ATtiny2313 chip, some C code, a bunch of LEDs and other components - that&rsquo;s your DIY Halloween decoration this year. I&rsquo;ll show you how to do it, and there&rsquo;s a video at the end of this page showing the digital creepiness in action.</p>