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"scuse me buddy, can you spare a few nano seconds?
Ok, back to playing with an LCD.  Took forever and a lot of head banging to realize that the "Busy Flag read", does not need (nor want) the Enable line to go low. ...
Tuesday, 8 September 2020 - 01:16
Suggest a good scope?
I have a Tektronix 222 and a 2430A.  The 222 is kinda handy, but not really good.  The 2430A is pretty good but outdated plus it's big and I have little space right now...
Tuesday, 1 September 2020 - 21:36
Anybody have any data on Pittman HP plotter motor with shaft encoder?
I salvaged a bunch of these things out of some old HP desktop plotters one they went obsolete.  Nice little motor, 19V, with a little rotary encoder on the back end....
Monday, 10 August 2020 - 21:47
Anybody here use LTSpice?
I've had a version of it downloaded for a while, but never really got to use it much.   I mostly used Labcenters simulation stuff.  But found it doesn't quite do...
Monday, 3 August 2020 - 22:23
Timer timer, who's got the timer? (not the 328)
I spent just about all day trying to get Timer3 working on this Atmega328P (Xplained board).   Only to find out, it really doesn't HAVE one. Silly me, the data sheet...
Sunday, 2 August 2020 - 23:25
Measuring Inductance, best way?
One of these days, I plan on building a meter circuit that also measures inductors and capacitors (like the microchip "Engineers Assistant", but modified to do more).   I had...
Thursday, 30 July 2020 - 01:42
Timer project revisited, or what a noob I am....
Even though I don't have a specific application for this, I did learn a few things, and forgot a few things I did learn earlier.  This project was just the first in a series...
Sunday, 19 July 2020 - 14:24
Ok, can somebody please explain what's going on? Same project....
I really do not get this.  In a nutshell, the same project I had, refuses to execute the "IF" loop.  And I know the variable (global_button_count IS equal to 0, doesn't...
Sunday, 12 July 2020 - 23:11
I did finish my first little project, but still a couple questions....
Simple project, push a hall effect button, read the down time and display the time in uS's (normally about 57).   some of these thoughts/questions will make more sense when...
Wednesday, 8 July 2020 - 19:25
Question on Timer0, ATMega328P, and a couple other oddball questions.
I think I've been chasing the proverbial wild goose.  But think I have narrowed my problem down. (Thanks Dave, the LCD is helping me out enormously when I do get a chance to...
Tuesday, 30 June 2020 - 11:37
What's the difference between EEPROM and FLASH? (besides amount)
I hate to sound like a noob here (nothing against noobs), but I haven't seen anything on this.  "Back in the day", yes, I could see a reason for EEPROM (vs RAM or EPROM)....
Saturday, 30 May 2020 - 00:32
Can't find ina90.h error, when compiling AVR TWI LCD project
I hope somebody can help me with this.  I need a LCD interface to move forward, and every time I try something, everything goes wrong.  It's "simple", if you already...
Friday, 15 May 2020 - 22:40