difference in 'read all' and 'program all'

[cheezy1963]

thanks guys. I appreciate the help. I normally wouldn't bother but I'm trying to learn this stuff and it always makes me wonder when I can't figure something out....even if it doesn't seem to be a problem. On top of that, I'm trying to make sure this simple programmer that I built is actually working the way it is suppose to. I thought a simple write/read would do the trick but that lead me to where I'm at

After my last post I went through winpic800 and played with the options and watched what it did to the output file. I noticed where the 'id' started to come into play as it was not in the original hex. I still wasn't able to figure out the difference in the first lines:

:0C03D0000D300C1EE92999006029630023
:1003D0000D300C1EE929990060296300FF3FFF3FA3

Even after reading Darrel's response I'm still a bit puzzled with these 2. The other lines make sense. Maybe you could explain a little more Darrel?

Here is a link to the actual circuit/application that I'm trying to duplicate.

http://njhurst.com/electronics/watersensor/new/

Maybe this may explain things a little more and you can help me understand.

[Darrel Taylor]

Well, it's like mister_e said ...
"i wouldn't bother too much with that..."

The minor differences between writing and reading will not interfere with the project you are building.

And IF everything else is correct????? That's a BIG IF.
It should work!
<br>

[mister_e]

Here we say... If it's not broken.. don't fix it

[cheezy1963]

Yes, you two are right.....I need to just let go and move on. I'm sure I will run into something else that will actually be a problem. Anyways, I've built the circuit and loaded the hex file and I'm getting good data back so I guess all is well. thanks again for your help.