Okay, I was thinking last night about a possible mod, and have some questions.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 my ...

I have a bunch of Kenwood TK-2100 VHF radios that are re-programmable via the serial port. I have a DOS-based application that works with the radios, but is only reliable with computers with two ...

The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

But the problem is that an RS232 serial port operates with 12V logic levels and the JTAG side of the programmer needs to operate with the logic levels native to the device you’re programming.