In the previous article, I have study the way to power this large VFD, now we gonna take a look closer at the logic itself. We need to drive a lot of bits (8+9) at ~40v. After a little googling, … Continue reading →
After my nixie clock, I decided to build a new one based on a old VFD vacuum tube. In fact, the brother of a friend (which live in Ukrainia) give me a bag of tubes. Beside I already have a … Continue reading →
Ok, like a lot of people in the DIY world, I used to look on eBay . Today I bought some really nice high power led I hope I will have better success than my previous buy. In fact, I … Continue reading →
Sometimes you need a simple negative power supply. The best example is the contrast PSU for common small LCD device. Building -5V from a battery or a wallmart supply isn’t really easy. I decided to build a small device that … Continue reading →
I decided to build a nixie clock, a long time ago. I finished this stuff, and I decided to write some articles on the way to achieve this. So this is the first of a short serie of article, on … Continue reading →
Hi all, I haven’t post here since a while right now. In fact, I spend quite all my time w/ playing with some electronics stuff. Some people asked what I’m doing .. that it .. here a teaser This is … Continue reading →
Ok, I’ve been off for a while right now. In fact, I’m playing with electronic’s stuff a lot. I just decided to build a nixie clock (for the fun). For those wondering what is a nixie. Take a look at … Continue reading →