When your classmates are such lobotomites, that they manage to fry 11 fucking IC's within a day! And I am the one who has to find and replace all the broken stuff. FFS it says 9V right there on the board NOT 12V! No, your board should not draw 1.7AMPS! This chip is getting kinda hot. What is wrong? ONE OF YOUR FUCKING PROBES IS BRIDGING ONE OF THE PINS!
Why isnt this working correctly? You adjusted the wrong fucking potentiometer!
I know I have far more experience than most of my classmates, but man, atleast try to not break things by just thinking: "I dont know dis. (Its actually written in the docs!) So imma assume it will be fine if I do dis. It wasnt fine!"
Also IF something doesnt work, DO NOT TURN UP THE VOLTAGE ON THE CIRCUIT BECAUSE IT APPEARS TO BE THE CLOSEST POSSIBLE ERROR. Which in most cases it is not!

My kid has a toy car he can sit on, ride and play some music by pressing a huge button. He loves it! And he loves that music.

I don't mind the music, but I do mind how loud it is. When it's playing it's VERY hard to understand what other people in the same room are saying. Now imagine that car starts playing while you're still asleep....

It can scare the shit out of someone! Not to mention it is annoying af.

So today I dug up my never-used kit of eclectronics compoents and some tools. Spent an hour or so and installed a potentiometer in that car from hell! Now I can alter its volume.

I know it's not much, but I feel as if I were an engineer :) That's a nice feeling. I like it.

Just wanted to share

Last completed (so not something which is still going on) project i have learned a lot was for "digital- and microcontroller technology" classes.
I designed a tower which fits on a pc fan. In this tower there is a tabletennis ball and on top of it is a infrared sensor. With a Potentiometer you can set the height at which the ball shall float.
As microcontroller i took an arduino uno. For visualization i used SerialComInstruments.
Learned lots of microcontroller programming, pid controls and how the fuck a serial port communication really works.

Well, my first project was to replicate something I saw somewhere: connect a pen to a potentiometer and to the serial port of an Apple II in such a way that you could replicate the movement of the pen on screen and also draw.

Apple II . Mouse, touch screens, tablet, etc didn't exist.
It worked.

However, a part from feeling old, I feel also stupid now, because I didn't understand at all the potentiality of such a tool nor what was going to happen in few years.

I could have invented a mouse. Or the concept of GUI. It was just in front of me.

Instead, I think I just draw some tits an some dick.

So I'm here.
Wondering, what is there now in front of my eyes, that I don't see?

Alright, I found the root of the issue from my last project post.

It’s the damn MEM indicator.

In my project, I want to be able to load presets from an SD card in order to let the user switch from preset values to values determined and calculated from a potentiometer.

So it’s pretty hard to discern when you’re using the memory and when you aren’t without some kind of indication.

Every fucking time I try to put on that indicator (a red “MEM” at the bottom of the screen) it completely fucks the entire display.

I HAVE NO IDEA WHY!!!

Might be possible that there is a VRAM space issue... idk.

Will probably use a LED for indication instead.