Interfacing Multiple ADC Channels for Data logging

Forum|Forum|1 year ago
April 22, 2025
2 replies
645 views

Moved from TouchGFX forum

Greetings Community,

I need advice on data logging multiple ADCs and/or ADC Channels to interface 40+ Train Gauge Values on an MCU that can show data on LCD or transmit Data over USB or serial to a PC.

TDK

Super User

That's a lot of different things. Build it up in pieces. Take an ADC value. Send data to PC. Show data on LCD. Do these separately and then combine.

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CaanAuthor

Associate III

Thanks for the startup process, I want to know the best possible method of getting Multiple ADC Differential channels interfaced, either using a Multiplexer with a single channel 24 24-bit differential ADC and scanning the individual channel, or using separate ADCs with 2-4 Channel combination.

Andrew Neil

Super User

You need to define what you mean by "best"; eg,

lowest cost
least components
highest precision
highest throughput
lowest error

Or, better, give some actual specifications (or ranges) ...

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.

Andrew Neil

Super User

What "advice", exactly, do you need?

You've posted in the TouchGFX section - so is your question focussed on that area of the problem?

How to write your question to maximize your chances to find a solution

@Caan wrote:
40+ Train Gauge Values

Did you mean Strain Gauge ?

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.

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