@droftarts and @jay_s_uk
Thanks for the answers!
The sum of the 2 suggestions solved my problem.
I think the translation of the documentation into Portuguese by Google made me misspell the D parameter of the M563 command.
I had really forgotten to activate T0.
I used RRF for a few years, since v2.03 and migrated in 2022 to klipper on all machines. Now I'm going back to RRF and I'm trying to remember everything.
Thanks to both of you!

@fcwilt said in Help with sensorless in duet 3 mini 5+:

I didn't think it would make a difference and it didn't.
So why are you using H4 instead of H1?

I just haven't changed it yet.

Hi @jumpedwithbothfeet , thanks for replying.

It's just that the M308 command is not enough for it to appear on the main tab. I already have the sensor set up and working.
For it to appear on the main tab, it must be connected to a heater, just like the hotend and table sensors.

See the "Sensor borda" in the second tab (extras). I would like this to appear in the tools tab.

As I understand it, I need to create a virtual heater and connect this sensor to this heater, so that it appears in the tools tab.

@phaedrux Yes thanks. I had already done that.
https://forum.duet3d.com/topic/24878/physical-buttons-to-run-macros-using-duex5-with-rrf3-3

@dc42 thanks for replying!
I really wasn't thinking about fixing the board, there's no one in my area who can do that.
I've already ordered a new board to replace the one I burned. Since it's a very basic printer, I believe the RRF 3.5 will be perfect for me.
For the other printers, I have the Duet 2 WiFi and "Fysect Big Dipper" boards, and with these I'll be able to keep up with the new versions of the RRF.
I'm going to keep the Maestro that I burned as a souvenir so I don't do this kind of stupid thing again, lol.
Thanks!

@dc42
I can feel the W5500 and SAM4S8 warm, almost cold, I imagine that they are in normal operation (but I don't know anything about electronics). What really draws attention and makes it impossible to connect the Maestro via USB cable is actually the USB connection port, which gets very hot very quickly. About 30 seconds later, even the USB cable gets hot. I turn it off for fear of burning my USB power supply.
When I connect the Maestro to the USB, only a blue LED next to the USB connector lights up, but very weakly. The other LEDs on the board do not light up.
If you want me to do any more tests or connect the conductor directly to 12/24V, just let me know!
Thanks.

@droftarts and @jay_s_uk
Thanks for the answers!
The sum of the 2 suggestions solved my problem.
I think the translation of the documentation into Portuguese by Google made me misspell the D parameter of the M563 command.
I had really forgotten to activate T0.
I used RRF for a few years, since v2.03 and migrated in 2022 to klipper on all machines. Now I'm going back to RRF and I'm trying to remember everything.
Thanks to both of you!

Hello. I have a fysect big dipper board (similar to duet3 mini5+) and I'm having trouble getting the nozzle heater to work.
I used the RRF Config Tool website to generate the config.g, but I must have gotten some information wrong.
I've already reviewed each gcode in the configuration but I still can't find where I went wrong. The thermistor is reading the temperature correctly, the hotend fan is working according to the hotend temperature correctly. The problem is that the heater doesn't heat up, it stays OFF all the time, even though I set the temperature via DWC.
Could someone tell me where I went wrong?

The heater cartridge is connected to the "V_FUSED+" and "OUT2-" ports in the diagram below. I've also tried configuring it on the "OUT1-" port without touching the wiring, but the result was the same.

I'd appreciate it if anyone could shed some light on this.
Thank you.

; General
G90 ; absolute coordinates
M83 ; relative extruder moves
M550 P"Sucata RRF" ; set hostname

; Accessories
M918 P2 E-4 F2000000           ; Fysetc 12864mini
M950 E1 C"io3.out" T1 U3       ; create a RGB Neopixel LED strip with 3 LEDs on the Duet 3 Mini 5+ 12864_EXP1 header
M150 E1 R0 U0 B255 P255 S1 F1  ; display led blue
M150 E1 R255 U0 B0 P255 S1 F1  ; left encoder led red
M150 E1 R0 U255 B0 P255 S1 F0  ; right encoder led green

; Network
M552 S1 ; configure WiFi adapter
M586 P0 S1 ; configure HTTP
M586 P1 S1 ; configure FTP

; Smart Drivers
M569 P0.0 S1 D2 ; driver 0.0 goes forwards (Z axis)
M569 P0.1 S1 D2 ; driver 0.1 goes forwards (Z axis)
M569 P0.2 S1 D2 ; driver 0.1 goes forwards (Z axis)

M569 P0.3 S1 D2 ; driver 0.3 goes forwards (X axis)
M569 P0.4 S0 D2 ; driver 0.4 goes forwards (Y axis)

M569 P0.5 S1 D2 ; driver 0.2 goes forwards (extruder 0)

; Motor Idle Current Reduction
M906 I30 ; set motor current idle factor
M84 S30 ; set motor current idle timeout

; Axes
M584 X0.3 Y0.4 Z0.0:0.1:0.2 ; set axis mapping
M350 X16 Y16 Z16 I1 ; configure microstepping with interpolation
M906 X1000 Y1000 Z800 ; set axis driver currents
M92 X80 Y80 Z400 ; configure steps per mm
M208 X0:269 Y0:259 Z0:300 ; set minimum and maximum axis limits
M566 X1800 Y1800 Z12 ; set maximum instantaneous speed changes (mm/min)
M203 X12000 Y12000 Z360 ; set maximum speeds (mm/min)
M201 X1000 Y1000 Z20 ; set accelerations (mm/s^2)

; Extruders
M584 E0.2 ; set extruder mapping
M350 E16 I1 ; configure microstepping with interpolation
M906 E1000 ; set extruder driver currents
M92 E420 ; configure steps per mm
M566 E120 ; set maximum instantaneous speed changes (mm/min)
M203 E3600 ; set maximum speeds (mm/min)
M201 E250 ; set accelerations (mm/s^2)

; Kinematics
M669 K1 ; configure CoreXY kinematics

; Probes
M558 K0 P9 C"io2.in" H8 F360:120 T6000 R0.5 A5 ; configure BLTouch probe via slot #0
G31 P500 X-21.8 Y3.24 Z0.7 ; set Z probe trigger value, offset and trigger height
M950 S0 C"io2.out" ; create servo #0 for BLtouch

; Endstops
M574 X2 P"io5.in" S1 ; configure X axis endstop
M574 Y1 P"io6.in" S1 ; configure Y axis endstop
M574 Z1 S2 ; configure Z axis endstop

; Mesh Bed Compensation
M557 X25:175 Y25:175 S40:40 ; define grid for mesh bed compensation

; Sensors
M308 S0 P"temp0" Y"thermistor" A"Heated Bed" T100000 B3950 ;B4725 C7.06e-8 ; configure sensor #0
M308 S1 P"temp1" Y"thermistor" A"Nozzle" T100000 B3950 ;B4725 C7.06e-8 ; configure sensor #1

; Heaters
M950 H0 C"out0" T0 ; create heater #0
M143 H0 P0 T0 C0 S110 A0 ; configure heater monitor #0 for heater #0
M307 H0 R2.43 D5.5 E1.35 K0.56 B0 ; configure model of heater #0

M950 H1 C"out1" T1 ; create heater #1
M143 H1 P0 T1 C0 S240 A0 ; configure heater monitor #0 for heater #1
M307 H1 R2.43 D5.5 E1.35 K0.56 B0 ; configure model of heater #1

; Heated beds
M140 P0 H0 ; configure heated bed #0

; Fans
M950 F0 C"out3" ; create fan #0
M106 P0 C"5015Carro" S0 L0 X1 B0.1 ; configure fan #0

M950 F1 C"out4" ; create fan #1
M106 P1 C"Hotend" S0 B0.1 H1 T50 ; configure fan #1

M950 F2 C"out6" ; create fan #2
M106 P2 C"5015Placa" S0 L0 X1 B0.1; configure fan #2

; Tools
M563 P0 D0.5 H1 F1 ; create tool #0
M568 P0 R0 S0 ; set initial tool #0 active and standby temperatures to 0C

@dc42 thanks for replying.
I removed the sd card and the connector still gets very hot, and very fast. I can't even keep your finger touching the USB connector.

@droftarts
I read the content of the link you sent, thank you.
Yes, it gets a little hot under the main processor, but you can keep your finger on the board. However, it is not possible to touch the USB and SD card connectors, as they get very hot in just a few seconds!

It really seems like I joined the list of people who managed to burn a Duet, lol.
I have already ordered a new board.
Thank you very much for your reply.

Hello everyone.
I connected a 3dtouch probe (trianglabs) to a Chinese Duet Maestro board by mistake. Now the power supply via the USB cable is getting so hot that the USB connector is burning my fingers. Connecting it to a 24V power supply makes one of the LEDs light up, but the board does not connect to the local network.
Did I permanently burn the board or is there something I can still do?
Thanks to anyone who can help.
(sorry for the Google translate, I'm in Brazil)

Hi @jumpedwithbothfeet , thanks for replying.

It's just that the M308 command is not enough for it to appear on the main tab. I already have the sensor set up and working.
For it to appear on the main tab, it must be connected to a heater, just like the hotend and table sensors.

See the "Sensor borda" in the second tab (extras). I would like this to appear in the tools tab.

As I understand it, I need to create a virtual heater and connect this sensor to this heater, so that it appears in the tools tab.

Greetings from Brazil!

I have a thermistor measuring the temperature of the edge of my table (350x350x8mm). This thermistor is not connected to any heater and serves to delay the start of prints until the edge of the table is warm enough (temperature close to the center of the table).

I would like the temperature to appear in the main DWC tools tab. It only appears in the EXTRAS tab. It is possible?
Maybe simulating a virtual heater, so this thermistor is hooked up to a heater and can pop up? I don't know how to do this yet. Can anyone help?

Duet2 + duex5, RRF 3.4.2, Voron 2.4, silicone pad 750W 220V.
Sorry for the english by google translator.
Thanks.

@droftarts An excellent contribution, thank you very much for this!