Posts made by drivetrainsystems

@dc42 unfortunately my electronics skills are limited. I can put the calc in front of my electronics guy, unless you know what to do off the top of your head? iIf so, I can put your formula into the software ASAP,

@dc42 do understand correctly that the value reported by M308 S0 in my above example (applying your voltage divider) will be a reflection of the voltage detected between the outer pins of io6in?

For instance, if I configure the reply value range for 0-100, and my sensor generates 5v (dropped to ~1.65v), will M308 S0 report a value of 50? (hope my details are sensible, I'm not quite yet grasping all the particulars of the process)

I have found

M308 S0 P"io6in" Y"linear-analog" A"DNAreader" F0

maybe effectively sets up the sensor, and

M308 S0

reads the sensors value.
I'm wondering though, how can I configure the sensor to be sensitive to the voltage range of the optical reader: 0-10v?

@dc42 no, I am controlling via USB from a laptop. I am using DWC for diagnostics, and it is hampering that DWC and RepRap config tool only allow limited number of axes. Also, RepRap config tool does not supply the latest firmware.

I hope this isn't a question with an obvious answer, because I can't seem to find one.

I have an optical sensor that varies it's output between 0-10 volts.
What is the best way to configure a Mini5+ to read that sensor?
What is the best way to then get that reading?

@dc42 this sounds like something you may know off the top of your head

@droftarts sorry, yes I meant 3.5.1.
I will update to 3.5.4.
I have 16 axes total, using 3 Mini5+ boards connected via CAN.

My config.g config.g

Update: initial tests on 3.5.4 look like the issue is resolved! Thanks.

@dc42

Re: Maximum number of axis?

I see that duet3d supports axes past D now which is vital to my application. However, I am having trouble referencing these axes. For instance:

G0 'a100

does not affect the 'a axis but rather the A axis.
Am I using the correct syntax?
I am using a Duet3d Mini5+ and firmware 2.5.1

The config tool will let me create configurations for lower-case axes such as 'a. But the home files it creates affect the A axis. For instance, the line

G1 H1 'a-155 F1000 ; coarse home

does not power the 'a axis but rather the A axis. This appears to be the case with all G-Code commands; commands for single-quote axis do not affect the single-quote axis, but rather the capital-letter access.

@droftarts while removing the resistors I accidentally also desoldered C97 (just below the resistors.) Did I trash the board?

@droftarts perfect, thanks. And thanks esp for the soldering tip.

If I am using a Duet3d Mini 5+ as an expansion board, do I configure it via SD card files? Or does it get it's configuration from its parent board (also a Duet3d Mini 5+)? What about it's firmware, does that get updated from the parent?

@dc42 Thanks! Which resistor should I remove as the "termination resistor?"

According to the documentation for a Mini 5+, in order to connect 3 or more Mini 5+ boards via CAN I should remove the CAN termination resistors of the boards between the beginning and end of the chain. However, I cannot located this resistor. I don't know if it is a matter of desoldering a resistor or removing a jumper, and I cannot find the component.

Is it possible, and how should I accomplish, 3 Mini 5+ boards connected as expansion boards?