Interactive Christmas Diorama
This is an interactive Christmas diorama which, when you press a button/switch, lights up with Christmas colors and music!
Designed for small amplified audio speakers or as output stage for MP3 players, radio receivers or compact hi-fi systems; it is based on a class D integrated circuit which, thanks to the high efficiency, is ideal for battery-powered solutions. Small power amplifiers for battery-powered audio devices must satisfy two requisites, which are essentially…
This project is motivated by Purdue University Electrical Engineering Senior Design, ECE 49022. Our team has collectively decided to make a “from scratch” DC Regulated Benchtop Power Supply. This product is aimed at a typical electronics hobbyist, and is capable of 0-32V and 0-3A, with constant voltage and constant current modes. It interfaces with…
Blinky Buildings v1 Blinky Buildings is a simple kit to teach people how to make derivatives of open source hardware. You are welcome to create a derivative of this kit as long as it abides by the open source hardware definition. This kit blinks 20 LEDs from an ATtiny85. The code was written in Arduino…
The recent update to Raspbian OS caused machines to crash and to fail to boot. What happened is that raspi-copies-and-fills package, which implements optimized low-level memory functions for the ARM processor, was updated on March 11th, and the update somehow made some programs completely fail to run. This explains why Bootlin guys were unable to…
Let’s experiment with the embedded version of Microsoft operating system, by installing it on Raspberry Pi, and by building our first applications. In our previous installment we could see some of the movements that are putting Microsoft in contact with the open source world, and we anticipated the release, by Microsoft, of a…
Christmas is coming, what better chance to introduce our beloved children to the passion for Making? Here is one of the 3 Lunchbox Electronics projects so cute to have our babies working on them! We are Lunchbox Electronics and we are creating Build Upons: Light up bricks to build upon your existing LEGO® creations. Light…
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