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mortifyu's latest activity
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
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Hi Marks, Thanks for your input with this project and your fancy code. BREAK OUT THE BEERS!!!! 🥳🥳🥳 Your code works an absolute...
May 8, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
Marks, AllyCat & Hippy, Thanks for that, yes, 'COMMON MODE' was previously mentioned and silly old Mort didn't trigger to it and take...
May 8, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
Hi All, For those of you playing along at home... The below readings were accurately taken with the original circuit modified for...
May 7, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
Hi marks, Want to have a go explaining working down to 330 ohms from a MAX 24bit value being equal to 16,777,215 decimal? Regards, Mort.
May 5, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
I can't provide ACTUAL's atm. This is because the PCB has not been manufactured yet. To provide relative 'accurate' actual reads, I need...
May 5, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
As previously posted, the earlier values reported were incorrect with a number of factors not being accounted for. Since then, this...
May 5, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
The theoreticals in a ‘perfect world’ 0.1ohms = ADC 1118 or %10001011110 or $45E and measures 0.00025VDC or 250uV 330.0 ohms = ADC...
May 5, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
It is a 24bit value we are working with. Bit 5 of first byte through to bit 6 of 4th byte. The pair of 10k resistors at the ADC are...
May 5, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
Yes, sorry Hippy, I am pretty sure I have given you a bum steer with earlier values and took them without factoring in slight...
May 5, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
The ADC values are essentially a ratio metric digital representation of a voltage. This particular project will only ever have a MAX R2...
May 5, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
Yes, they don’t add up to me either. Give me a few days and I will post again specifically providing new figures all round. ie Exact R...
May 5, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
And yes you are correct in your idea. The Code I wrote was more or less demonstrating what I thought was the right initial approach to...
May 4, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
Hi Hippy. Perhaps easy for you my friend. I am running out of hair :) Regards, Mort.
May 4, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
Hi, You are correct, however, if the routine continuously gets repeated... Regards, Mort.
May 4, 2020
M
mortifyu
replied to the thread
Calculating integers far greater than 65535.
.
I must have read that wrong. 8,333,034 / 3300 = 2525.16 (3300 0.1ohms in 330ohms) 6130 * 3300 = 20,229,000
May 3, 2020
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