This beautiful Spectrogram video is instant nostalgia for any of us who used BBSes back in the 80s and 90s. The video comes from Scott H on Youtube.
Several of the videos I have made incorporate the initial connection sound (until the echo suppression is disabled.)
Enjoy this blast from the past, unless you are one of the 3 million subscribers mentioned in AOL’s 2012 Annual Report, which still use dial-up!
It’s 3am but you are not going to bed until you squash this last bug. You sprinkle Serial.print() statements everywhere you can think of, and then that’s when all hell breaks loose: Your code randomly locks up, the LEDs go crazy, and you’ve had it. What’s going on? You’ve run out of RAM!
The Arduino IDE includes a “Serial Monitor” which is decent for basic serial communication. However, when you need real time serial interaction or data logging capabilities, that’s when one of these serial monitor alternatives can come in handy.
If you are anything like me, your copy of EAGLE has an extensive list of libraries. Most of them probably came with the installer, some which you have added. This, of course, leads to the problem of finding the parts you need when drawing your schematic. Here’s how to use the “Search” box to help.
When working on the AddOhms video on the difference between AC and DC, I needed a vector diagram with a sine wave. Using Adobe Illustrator, I tried with a Bézier tool, but it didn’t look quite right. Here’s two methods I found to create a better line sine.
