A digital DC power supply -- part 2: the software very small an really powerful DC power supply for your hobby lab. In this second part I explain how the software works and one more feature is added.
A digital DC power supply A very small an really powerful DC power supply for your hobby lab. It has lots of features which you normally find only in very expensive power supplies. This one is however cheap, small and easy to build.
A 1 Bit Data Scope This article describes a 1bit logic analyser which samples data and sends it to a Linux PC via the rs232 port.
Building an autonomous light finder robot In this article we describe how to build an autonomous robot that will always try to walk to the brightest spot in the room.
A LCD control panel for your Linux server In this article we use an Atmel AT90S4433 microcontroller and a few other inexpensive parts to build a LCD control panel for a Linux server.
A serial line shutdown button with control LED In this article we design a little push button to connect to your server on the serial line and which you can use to shut the machine down when needed.
The uCsimm kit This article describes the uCsimm kit and the UClinux project: Porting the linux kernel on hardware without MMU (memory management unit).
Linux RT, part III In this article a simple electric circuit is used to process commands from any infra-red remote control.
f-CPU Project: Attempting the "even harder" The fPU project attempts to develop a microprocessor like the present ones allowing a development scheme close to the one guiding important free software projects.
Installation and Configuration of a Raid-system RAID (Redundant Array of Inexpensive Disks) consists of a series of systems to organize several disk drives into a single entity that behaves as a single virtual drive but making the various disks work in parallel thus improving the access performance and saving the information stored from accidental crashes.