DIY Hobby ElectronicsEasy Project Power Supply For Raspberry Pi & Beaglebone Using a Buck switching power converter makes powering all the different parts of your project a breeze. Do you need 12V for a display and 5V for your Raspberry Pi and Arduinos but you don't want multiple supplies plugged into the wall? One of these high powered converters could be the solution to your problem. More... Raspberry Pi UPS Small and inexpensive microcomputers like the Raspberry Pi and Beaglebone are increasingly finding applications requiring unattended operation. You can now deploy an affordable solution to all kinds of monitoring and control applications using computers that fit in your pocket. But there is a catch. Computers need to be shutdown in an orderly fashion before power is removed to avoid corruption of the file system which can potentially render it useless. So what happens if there is a power outage or someone removes the power by mistake? There are two ways to minimise the possibility that your raspberry Pi becomes as useful as a house brick. One way is to ensure that power is never denied to the computer should the mains power fail. Or you can detect a power fail condition and have the computer shut itself down until power returns. This series of articles looks at a variety of simple solutions to this problem. More... Long Time Delays With A 555 Chip A Power Off Delay For Computer Shutdown How To Make A Free Sound Card PC Oscilloscope Sound Card Oscilloscope Software Raspberry Pi Beginner Projects: Setting Up Get your Raspberry Pi setup and ready to develop projects. If you haven't seen what this little baby can do yet then you are in for a treat. Find out how to download and flash an operating system onto an SD card. Learn how to connect it up then communicate with it remotely as if you where there. Connect it into your local network so that you can share files. More... Getting Started With Electronics Review How To Measure Output Impedance The Easy Way Output impedance can seem a bit like black magic until you realize that it's really quite simple. Here is an easy yet effective way of measuring the output impedance of almost any circuit. I've avoided turning this into a full-on mathematical treatment of impedance that would bore you to tears. Instead I give you an easy to understand practical feel to the problem instead. More...Simple Transistor As An Amplifier Build a simple one transistor amplifier circuit that you can use in many projects where you need to amplify small signals. A circuit like this could form the basis of a high quality audio preamplifier and it only uses five components. There is a catch though. Find out what it is in this project article. More...<< Previous page ..2 of 5.. Next page >> |
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