Just like a PC’s USB port, the serial port on a PC can also in some cases serve as a power supply. A USB port can provide as much as 500 mA at 5V, but a serial port provides less power. Even with the ...

This application note describes the operation of a general- purpose, microcontroller-based Serial Port Interface (SPI) boot circuit. This is a low cost solution for users who need to modify some of ...

Sometimes it’s nice when you can do everything you need to do with just one single port. In this vein, [Nicola Strappazzon] ...

The folks at Openschemes.com have written up an article on how to convert a USB serial port adapter to a low voltage serial interface for interfacing with microcontrollers. Though you can always just ...

I had a thread over in the Programmer's Symposium, but I think the line of questioning has turned more into a kernel issue.<br><br>I have been tasked with getting response time for writing a single ...

Okay, I was thinking last night about a possible mod, and have some questions.<BR><BR>My idea was to use an old VU meter or analog voltage meter as a processor usage meter to put on the front bezel of ...