Software user

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Are you working on a cool project? Do you want to make $2,000? Share it with the world by open sourcing it and you may win the Wyolum Innovation Grant! Now in its 3rd year! This is the place to submit your project, find out the rules and deadline, and generally learn more about this generous team of innovators!

My beloved Chumby One died today. I first thought to be a software glitch, since the booting seemed to take a long time, then it seemed to re-boot itself after a little while. After a few cold resets, the screen started to literally flash, like the flash of a camera, once every 2 or 3 seconds. Not a good sign. I opened it up, for the first time. Beautiful on the inside too. Regretfully, it does not look like something I could repair. My Chumby served me faithfully and inspired me (I am not kidding) for the last 4 years or so, mainly as a desk clock . It had all the features I wanted in such a device: fairly sized touch screen, good WiFi, great speaker (bass reflex nonetheless), reasonable radio, rotary encoder for volume (or menu scrolling), backup battery, USB socket, internal SD card for the operating system. In the beginning, the OS allowed for various apps to be downloaded and installed (support was cut after the company went bankrupt). The app-installation process was seamless, c

Many months ago I bought, attracted by the clearance price, the PCB for the " Nixie Driver Board Rev A " from "Cogwheel circuit works" store. I was hoping that, with all documentation in place, I would be able to build it on my own, considering it's controlled by an ATmega328 and the software was available, though not the source code. First thing to note is that the board uses mostly SMDs. If anything went wrong (and there was a high chance, since the PCB was already described as a " mistake the board house made "), the board would become a coaster. The schematic includes some exotic components, like the HV513 Nixie driver , not offered by digikey. Others are the DS1302 RTC and the optional DS32KHZ oscillator for RTC, which I heard of for the first time. But thanks to the detailed BOM, gathering the components was relatively (some of them are already discontinued, for example) easy. High voltage for the Nixie tubes is generated by a hardware PWM und