Electronics > Beginners
Arduino LCD shield with buttons
Zero999:
--- Quote from: nsrmagazin on November 26, 2018, 01:57:21 pm ---You are mistaking something here. You want to measure "150ADC" from a "5VDC" power supply?
Please provide a circuit.
--- End quote ---
He never said anything about measuring 150A from a 5VDC supply, just that the sensor and MCU board are powered from 5V. :palm: The 150A is probably on a 24VDC supply which might even be isolated from the 5V supply but it doesn't matter.
--- Quote from: Simon on November 26, 2018, 02:33:13 pm ---Yes you buy these things called sensors, you power them with 5V and put a big fat wire through them and the sensor measures the current in the wire and outputs a reading in 0-5V scale, an example of such is here: https://www.mouser.co.uk/datasheet/2/397/L01ZXXXS05-274998.pdf
--- End quote ---
Which one is it?
--- Quote from: Simon on December 04, 2018, 02:02:50 pm ---Well i don't have much choice. It is the best sensor I can find as it only requires 5V not +/-15V like many. It is bidirectional so it's more like 0.3A resolution which is still fine.
My boss has just decided he does not want the power measurement anymore because the customer cannot remove it from the system easily so it's not even a problem anymore.
--- End quote ---
So has the project been shelved now?
Simon:
--- Quote from: Hero999 on December 04, 2018, 02:20:19 pm ---
So has the project been shelved now?
--- End quote ---
Just the power measuring bit, the actual bit the customer wanted is to interface to our ECU and drive it manually so it is reduced to the arduino and the display+buttons with a 5V supply from the 24V
Brumby:
... and I had just prepared a couple of samples which I was going to use to show you how to suck eggs.
Oh well. Next time.
Ian.M:
If you've already done the work, might as well post them for general edification.
Simon:
I'm just going to use a plain screen with IP rated buttons. Put a piece of perspex in front of the screen and the whole thing will be mostly watertight which is what they now want.
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