AlferSoft Blog

We had this great idea of using an old digital photo frame from smartparts to display some useful reports at work.
In this case, useful will mean that the reports (pictures in the frame) needs to be automatically updated, with no human intervention.
Take a look to this post, you may find something useful for your own DIY project!
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Introduction

The idea of this project is to control (switch off/on) two power sockets with a computer by using its USB port. I’ve chosen USB in first place because I wanted to experiment with the PIC18F4550 microchip’s microcontroller, and secondly because the power supplied by this port (500mA) is enough to activate a relay without any additional power supply.

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