@bushgeek Shows two things: 1. @frogandtoad was right; 2. Don't write any code dependent on the order of the parameters. Question: How does a person...

@triform Thanks for your suggestion. That is the same crimper I have and it does seem to destroy the small pins. I need to make some male pins that f...

@tooter I changed your declaration of the sonar array to: NewPing sonar1(TRIGGER_PIN1, ECHO_PIN1, MAX_DISTANCE);NewPing sonar2(TRIGGER_PIN2, ECHO...

@runutral Put the delay before the analogWrite

For stand alone I have used 9 volts for nano, and (I think) on the pi4. For the DB1 bot I'm using a 12volt lead acid through a 5 volt buck converter.

I'm pretty sure it reads them left to right, but they get pushed on a stack so the right most one is the first one available. So it can seem like it r...

@triform This is the way your code came out in my email. I thought before I read you actual msg that you were making a joke. My response was going...

@itscaseydambit Yeah two separate IDE's. But even before I start an IDE the device manager shows that they are both trying to use the same COM port.

I have 2 nano boards and the problem with them is that they both insist on using the same COM port, If one is already plugged in I get a message that...

@frogandtoad I'm pretty sure you would find it to be the same thing in the assembly language. By reference just gives the compiler some clues for wha...

@robo-pi You did a great job on this, thank you for doing it.

@conlo This is probably a trivia suggestion but did you ground the green wire that makes sure the supply turns on?

It won't be on his conscience he will be dead. :-)

@frogandtoad So just reviewed by reference and by ptr, in the c++ manual. Apparently it is a compiler convenience to pass by reference but at the end...

OK, I'm confused, I always thought by reference was just a fancy way of saying "by ptr". Can you clarify the difference?