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have a new Manta M8p where the CB1 green light turns on for a sec upon turning on and then turns off (MCU being fine), but if i wait for a longer period before turning it on it stays on longer and then the MCU and CB1 lights begin flashing before the CB1 light goes out. Waiting overnight, turning on the Manta M8p resulted in a longer time the CB1 was active before turning off, the ACT light even flashing once before the CB1 lights turned off. Mostly just wondering if this might be something I can fix but I can't find this issue addressed anywhere.

Hi all

Tried to flash my board via DFU and followed the instructions of the manual.

All went quite well the way as shown in the manuel included the error warning that could be ignored

But my mcu Version number still shows the old version instead of the new one

Has the firmware been flashed or not?

M8 motor use PC6 for DIR pin, but this pin is already in use for RGB1 wiring, section 3.9.

I can use RGB wiring with PC6, but I don't know wich pin is it for M8 motor.

The Neopixel of the 12864 Mini are working fine but the screen itself stays blank. I have used the following Pins:

[board_pins]
aliases:
# EXP1 header
EXP1_1=PE9, EXP1_2=PE10,
EXP1_3=PE11, EXP1_4=PE12,
EXP1_5=PE13, EXP1_6=PE14, # Slot in the socket on this side
EXP1_7=PE15, EXP1_8=PB10,
EXP1_9=, EXP1_10=<5V>,

# EXP2 header
EXP2_1=PB14, EXP2_2=PB13,
EXP2_3=PF7, EXP2_4=PB12,
EXP2_5=PE7, EXP2_6=PB11,      # Slot in the socket on this side
EXP2_7=PE8, EXP2_8=<RST>,
EXP2_9=<GND>, EXP2_10=<NC>

and those klipper config entries:

[display]
lcd_type: uc1701
cs_pin: EXP1_3
a0_pin: EXP1_4
rst_pin: EXP1_5
contrast: 63
encoder_pins: ^EXP2_5, ^EXP2_3
click_pin: ^!EXP1_2

[output_pin beeper]
pin: EXP1_1

[neopixel fysetc_mini12864]
pin: EXP1_6
chain_count: 3
color_order: RGB
initial_RED: 0.05
initial_GREEN: 0.5
initial_BLUE: 0.5

The display is working fine at a Manta M4p but not at the M8P. I tried different cable in different directions of the plugs, no way.

I've tried to download the English user guide on different laptops but it appears to be corrupt?

BIGTREETECH MANTA M8P V1.0 User Manual.pdf

Hi,

I'm running a modified X5SA with an LGX large on a Manta M8P and for some reason my extruder retraction goes the same direction as extrude. I've tried different motor ports, TMC2209 drivers, and plugging in a standard NEMA17 motor but when I do a G1 E-10 F300 the filament extrudes and does not retract. Note, the "!" on dir_pin does not change the direction for either extrude or retract. Here's my extruder config:

[extruder]
#Motor 6
step_pin: PA10
dir_pin: !PA14
enable_pin: !PA15
microsteps: 16
rotation_distance: 8
nozzle_diameter: 0.4
filament_diameter: 1.75
heater_pin: PE3 # HE0
sensor_pin: PA1 # T0
sensor_type: Generic 3950
min_temp: 0
max_temp: 450

[tmc2209 extruder]
uart_pin: PF8
run_current: 0.800
stealthchop_threshold: 999999

I've also tried without the TMC2209 settings and same issue.

Cheers

So I've been trying to locate information on what pin numbers to use for the motor drivers. Can someone tell me out?

Is there a way to connect two SFS filament run out sensors to the board?

Hello all, I am also writing it here, together with Reddit.

I just received my Manta M8P and CB1, but am experiencing a bit of an issue here.

• I installed the release V2.2.1 image from here to the CB1 and all went pretty well.
• I used BTT's instructions to compile the firmware for the MCU and it also seems to have worked (and I double checked the klipper configuration to build the .bin).
• I have tried powering the board using the USB-C with the VUSB jumper on, as well as with 24V PSU and no VUSB jumper. The difference I saw is that LEDs get lit a little bit brighter with 24v, but that's it.
• SD cards are also in the correct position.
• I have updated all the CB1 software before building the .bin. The MCU seems to be flashing correctly.
• Also, I can connect to the CB1 without any issues via LAN or Wifi, which I use to SSH into it. The Webapp works as well.
• ACT light flashed, CB1 LED is lit and

What I can not have working is the serial connection between both MCU and CB1. It looks like an issue with the USB somewhere in the chain. The USB chip is not overheating or anything, but when I connect a flash drive to any USB port, it isn't recognized.
Does anyone have a clue what could be happening? I fear that I might have a deffective usb hub chip somehow, which would be pretty bad.

Any help is appreciated =)

TIA

Board has been working fine. I disconnected power and did some wire management. Everything plugged in where it has been but now I'm not getting any power to the CB1. Any troubleshooting steps I can do? This is my 2nd board as the first one was faulty. Trying to avoid doing another board and CB1 swap as at this point I could just bought a different board and a PI4 with how much I've spent.

release V2.2.0

Hurakan_Debian11_Mainsail_kernel5.16_20220929.img.xz

manta m8p board with CB1 module

biqu@BTT-CB1:~/klipper$ ls /dev/serial/by-id
ls: cannot access '/dev/serial/by-id': No such file or directory

biqu@BTT-CB1:~/klipper$ uname -a
Linux BTT-CB1 5.16.17-sun50iw9 #2.2.0 SMP Wed Sep 28 15:50:52 HKT 2022 aarch64 GNU/Linux

Hello, I have "Global scaler" communication problems with various brands of TMC5160 drivers. In the examples, there are some pins in the table, there are others. I have tried several combinations and there is no way!
This is the configuration

X Stepper on Motor1(B Motor)

[stepper_x]
step_pin: PE2
dir_pin: !PB4
enable_pin: !PC11
endstop_pin: sht42:^PA0
rotation_distance: 32
microsteps:16
full_steps_per_rotation: 200
position_endstop:-11.5
position_max: 310
position_min: -11.5
homing_speed: 100
homing_retract_dist: 5
homing_positive_dir: false

[tmc5160 stepper_x]
cs_pin: PC10
spi_bus: spi1
#spi_software_sclk_pin: PA5
#spi_software_mosi_pin: PA7
#spi_software_miso_pin: PA6
interpolate: True
run_current: 2
#stealthchop_threshold: 0
#sense_resistor: 0.075

Thanks in advance!!!

Manual (page 6) point 17. references Motor Drive Interface: Motor1, Motor2(dual motor interface), Motor3, ... however, schematic and board have "M1", "M2", "M3A" and "M3B". So which one is dual motor? Motor 2 or Motor 3?

Connecting an ADXL345 to SPI1 on my Manta M8P causes the MCU to not boot. It seems like the bootloader is conflicting with some other device on SPI1 on boot.

Can anyone confirm if there is any other device on this board that uses SPI1 which would cause this?

Also is there any way to solve this issue - is there a different bootloader I can use?

Thanks

This chip is shown in the user manual:

But the adxl345 I bought is like this (same with klipper office manual):

The pin name is different between these two chips. How can I connect this rectangular chip to m8p by PSI port?

Hi
I have a set Manta M8P + CB1.
Tried these images on CB1 from https://github.com/bigtreetech/CB1/releases

• 2.3.1 - Wifi works fine, USB A on Manta board also works - I have connected the USB camera and it's visible in web app. The Ethernet port doesn't work. LED is off
• 2.3.0 - only tried to install OS and see if ethernet works - the same situation, no Network, LED off
• 2.2.1 - only tried to install OS and see if ethernet works - same situation, no Network, LED off
• 2.2.1 Hurakan - only tried to install OS and see if ethernet works - same situation, no Network, LED off

Tried on PSU 24V and on VUSB
ifconfig gives me "lo" and "wlan0"

How to get Ethernet port working?

CB1 didnt support a dsi camera/display?
Only HDMI?
Why?

"BIGTREETECH MANTA M8P V1.1 PinOut.png" lists two different Pin-Outs for FAN4. V1.0 has three 4-pin fan headers while v1.1 only has two. FAN4 in v1.1 is now a two pin header rather than the 4-pin in v1.0.

I am looking for schematic diagram of Manta-M8P.
Thank you.

Hi ,

I am trying to activate a pin to high at system startup
as you can do with a raspberry (dtoverlay=gpio-poweron, gpiopin=23, active_high for exemple)

thank you for your help

Manta M8P V1.0 board with CB1 and TFT35 SPI display on most first boot power ups results in a white screen with no boot, if I immediately shut it down and back on I get the BTT logo and normal boot into klipper but most often than not after doing a normal shutdown procedure ends up with the same no boot situation after shutdown. I check for Klipper and wifi connection to mainsail and nothing, so the system seems to not be booting up like its hanging on display drivers or something, again however if I immediately power it off then back on, it boots normal. If I shut it down through the menu like normal, power it off, then next day turn it on, same thing all over again.

OS Version
Host(aarch64, 64bit)
Version: v0.11.0-143-gc54d83c9
OS: BTT-CB1 2.3.1 Bullseye

klipper
v0.11.0-143-gc54d83c9
mainsail-config
v1.0.0-9-g52d4c47
moonraker
v0.8.0-29-g80920dd
mainsail
v2.5.0
KlipperScreen
v0.3.2-8

What screw size should be used for the CB1/CM4 mount? I tried 2mm and 2.5mm but neither seemed to want to screw in.

I have the CM4 (8Gb RAM, 8Gb eMMC) on my M8P board and I've connected the BTT Pi TFT50 v2.0 and the Picam 8MP v2.0 to the DSI and CSI FPC on the bottom of the board and got no display and picture. Need help to troubleshoot.

Thanks.

I would like to have an overview of the Pin Numbers for the M8P board.
Some are in de manual, But others are missing (Uarts for example)
Some I could retrieve from the example .cfg files. but not all.

Hello I would like to know the reference of the CNC fan connectors.
as well as the reference of the electrical terminals.

The documentation says

12. The maximum output current of the fan port: 1A, Peak Value: 1.5A

Is this per fan port or in total?

Also for the RGB +5v. What is it rating so we know how many leds we can drive?

Hello Guys,
I have a creality ender 5 plus with a bigtreetech manta m8p board + cb1. This seems to work as I do not get any errors on the web interface. But now I wanted to add as well the Creality Sonic Pad. But it seems that the sonic pad doesn't get connection to the manta board. I've connected the sonic pad to the USB type c connector. Could it be that this is causing the issue? Does somebody know if I need to use the USB Type A port?

I have just installed a CM4 onto a (V1.0) M8P

I can SSH into the board just fine and have compiled the firmware.
When I use a SD card to first flash the firmware-usb.bin (renamed to firmware.bin) nothing happens.
I tried renaming the firmware-usb.bin to FIRMWARE.bin to no effect.

Further more when using the command : ls /dev/serial/by-id/* to list the MCU serial the responce is :
No such file or directory.

I have enabled the USB2.0 HUB in the config.txt
To check usb functionality I connected a SKR1.4 to the USB-A connection and running the command again it does find it
So the config.txt is edited Ok i think.

Hi.
I bought the kit first with CB1, did not notice that the module does not support DSI.
I later purchased the CM4104032 specifically to support the screen.
But when I connect BTT PITFT50 V2.0 - RPi CM4 does not start- the power LED lights up and goes out. and I hear faint clicks.
Maybe there is not enough power 3,3V for the display, or it is a BAG?
The screen on the RaspberryPI 4 works, the CM4 without the screen works, the camera also works without problems on the Manta m8p.

Hi, We are trying to connect TFT70 on Manta M8P. We are using Marlin 2.1.bugfix firmware. Can somebody help? We couldn't find free RX and TX pins. Are we missing something or the Manta M8P is not compatible with TFT touchscreens by BTT?

I know the Manta is built to accept a Raspberry Pi CM 4 module, but is it possible to use a Pi connected to the Manta by USB instead of using the CM4 or CB1 modules? I can’t get my hands on a CM4 module and the CB1 module I received has major issues that I’m trying to get that sorted out through BTT’s customer support.

I tried the obvious of hooking up to the Manta’s USB-C port, but it’s not being recognized as a serial device. Is the USB-C port just for flashing the MCU in DFU mode?

I have a strange behavior using a M8P equipped with a CB1 and the latest 2.1.2 image.

If I shutdown the host - for example using Mainsail UI "Host Control" -> "shutdown" the STM32G0 kept all steppers, fans, heaters in the current state. There was no MCU reset or whatever. After a night long the steppers and fans (not only the hotend fan) was active. So I test this: The MCU don't go into a reset or shutdown-state at all. I don't find any general information about this.

Tested:
Service /etc/init.d/klipper_mcu stop command stopping the service, but don't have any effect on the MCU state.

I'm working on trying to configure the probe on the B1 SE Plus on the Manta M8P board. The blue (and Green) light on the FX712 board flashes randomly. This is trigging the Z Endstop before it reaches the bed.

I used the Example setup from the B1 SE Plus and here is what I have for the config.

[probe]
pin: ^!PB1
z_offset: 0.0
x_offset: 0.0
y_offset: 0.0
speed: 10.0
samples: 2
samples_result: average
sample_retract_dist: 2.0
samples_tolerance: 0.2

[output_pin probe_enable]
pin: PB2
value: 1

I've tried via SD card and it never changes firmware.bin to cue. I have flashed this board once but I am getting some errors and attempting to flash again. Getting the following errors:

usb-Klipper_stm32g0b1xx_3E0009000A504B4633373520-if00
biqu@BTT-CB1:~/klipper$ make flash FLASH_DEVICE=/dev/serial/by-id/usb-Klipper_stm32g0b1xx_3E0009000A504B4633373520-if00
  Flashing out/klipper.bin to /dev/serial/by-id/usb-Klipper_stm32g0b1xx_3E0009000A504B4633373520-if00
Entering bootloader on /dev/serial/by-id/usb-Klipper_stm32g0b1xx_3E0009000A504B4633373520-if00
Device reconnect on /sys/devices/platform/soc/5200000.usb/usb2/2-1/2-1.4/2-1.4:1.0
sudo dfu-util -p 2-1.4 -R -a 0 -s 0x8002000:leave -D out/klipper.bin

dfu-util 0.9

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2016 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

dfu-util: Invalid DFU suffix signature
dfu-util: A valid DFU suffix will be required in a future dfu-util release!!!
Opening DFU capable USB device...
ID 0483:df11
Run-time device DFU version 011a
Claiming USB DFU Interface...
Setting Alternate Setting #0 ...
Determining device status: state = dfuIDLE, status = 0
dfuIDLE, continuing
DFU mode device DFU version 011a
Device returned transfer size 1024
DfuSe interface name: "Internal Flash   "
Downloading to address = 0x08002000, size = 26644
Download        [=========================] 100%        26644 bytes
Download done.
File downloaded successfully
dfu-util: Error during download get_status

Failed to flash to /dev/serial/by-id/usb-Klipper_stm32g0b1xx_3E0009000A504B4633373520-if00: Error running dfu-util

If the device is already in bootloader mode it can be flashed with the
following command:
  make flash FLASH_DEVICE=0483:df11
  OR
  make flash FLASH_DEVICE=1209:beba

If attempting to flash via 3.3V serial, then use:
  make serialflash FLASH_DEVICE=/dev/serial/by-id/usb-Klipper_stm32g0b1xx_3E0009000A504B4633373520-if00

make: *** [src/stm32/Makefile:90: flash] Error 255

Board is connected to 24v power supply on my Voron 2.4

So I wrote the CB1 image.

In the system.cfg file I put in my Wifi info. I did the 2.4ghz since not sure if 5 supported. I am looking for IP and not finding it on network. On the Manta board there is a soild RED LED near the CPU and green LED blinking near the CB1.

With ADXL345 connected to SPI1 the board will not boot showing error: mcu 'mcu': unable to connect

Massive troubleshooting with Oliver Jean Eifler on the BTT Facebook but no resolution. Lots of notes there to review. If I attach ADXL after boot all works fine. Others have this issue, believe it could be a bug somewhere.

Missing descriptions for Motor & Main power on each jumper diagram.
Also, both photos show the same position to the right.

Newbies are having problems and possibly could damage the Manta and their drivers.

And the pinout adds to this confusion since the power inputs don't have the same labels.

Recommend updating the Manual & Pinout.
Manual sample change:

Pinout sample change:

The owners manuals provided give zero help on getting the built in canbus to work.

I am having an issue with the manta M8p 1.1 card. I have been looking in to it and it and if you look at the board schematic it appears that stepper 6 is using a different component for its direction pin than all the other steppers. for now I just swapped the servo I was going to use on 6 to 8. If anyone can figure out the right pin call out (AKA PA14, PA15, PD15 or what ever) that would be great. It looks like M6DIR goes threw to SWCLK and that goes to pin PA14 But PA14 doesn't change the direction of the motor.

Some of the settings in the Klipper config for Voron2 are incorrect.

Here are the lines affected with corrections

Z3 Stepper - Front Right on Motor6

[stepper_z3]
step_pin: PA10
dir_pin: !PA14
enable_pin: !PA15

[tmc2209 extruder]
uart_pin: PD14

Bonjour
carte mere : manta m8p + cb1
Je rencontre un probleme avec la configuration du relay de fin d'impression. BTT relay v1.2. il s'arrete quand j'allume l'imprimante avant que le mcu ne soit chargé.
Dans le fichier printer.cfg j'ai mis les informations suivantes :

[output_pin ps_on_pin]
pin: PC3
value: 1
shutdown_value: 0

quel est la configuration pour que cela fonctionne ?

has anyone the pinout names for the DIAG pins Motor1 and Motor2 MANTA M8P board?

Since there are a number of users unable to use the CB1 and the CM4 is under shortage, is there a way to use the M8P with a regular Pi over USB?

I'd like to connect the Pi 4B I used in an older setup to connect to this board but I can't figure out how r if this is possible.
Please advise.

Been printing my old models, every single one of them got all inside holes deformed down, Been using .6 nozzle and every hole got 1.6mm smaller.

There is no firmware compile instructions in the manual.

Sections were removed from manual but still are listed in TOC.

sections are:
5.5 Install Klipper with kiauh script
5.6 Checkout klipper branch
5.7 Fix Klipperscreen

Hello I am having a problem with my Manta M8P V1.
The neopixel LEDs light up partially or they light up in the wrong color or do not go out at all.
I didn't have this problem with my octopus V1.1 card.
has anyone had this problem before do you have any idea what could be wrong thank you in advance.

I can't get any neopixel running on my mp8/cm4. Using klipper.
Rest works like a charm.

I defined both channels in printer.cfg with the probably correct pins. See them in the dashboard. There I can change colors. Also using macros change the color in dashboard.
But straps stay dark.
Measuring (both) dedicated pins with an oscilloscope shows no signal. Always stays ground.
Testing with a resistor to 5v doesn't show signal neither..

I'm wondering if there are wring pins in doc or I need special firmware.
Any ideas?

Thx in advance

There is an error in paragraph 3.2.5. Selection of driving power supply for stepping motor. (page 15) in English manual.
Both pictures show how to setup jumpers for VBB (board power input). There is no photo for Motor power input.
Chinese version has correct pictures.