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Anet a8 plus se queda con pantalla azul
#1
Hola soy nuevo en esto de las impresoras 3d, compre una anet a8 plus y buscando en Youtube ví como instalarle marlin, pero al momento de conectar el cable la pantalla se quedo en azul y ya no volvió a verse nada y en la PC me aparece esto
[Imagen: IMG-20220612-010000.jpg]

[Imagen: IMG-20220612-005837.jpg]

[Imagen: IMG-20220612-005833.jpg]

[url=https://ibb.co/84kH89q][/url]Ya trate de desconectar y conectar los cables de LCD y de j3 y nada
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#2
Hola @Manuel2314, bienvenido al foro.
Contesto a tu pregunta con un poco de retraso, pues se me había despistado y no la he visto hasta ahora.
Para saber cual ha sido el problema, habría que saber el proceso que has seguido (puedes poner el enlace al video de Youtube) y si las conexiones de cables las has hecho con la placa desconectada o no (siempre hay que hacerlo con ella desconectada).
Por aventurar una posible causa, yo diría que se ha borrado el contenido de la memoria flash de la MCU de la placa y si es así, para poder utilizar la conexión USB para cargar de nuevo el firmware, primero tendrás que instalar un bootloader en ella.
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#3
Recupero este tema porque me acaba de pasar exactamente lo mismo y veo que no se respondió en su día.

Intenté meter Marlin en la Anet A8 plus siguiendo este video de Youtube: https://www.youtube.com/watch?v=K03qlqnQHxs. No conseguía que me aparecieran los menus de carga y descarga de filamento y al compliar me salian errores de falta de espacio, con lo cual probé a cargar mezi_optiboot y ese fue el error, porque se me quedó la pantalla azul sin aparecer nada.

Compré el usbasp y seguí las instrucciones:

Me bajé de https://github.com/SkyNet3D/anet-board el bootloader para la a8 plus
Seguí los pasos para meterlo en la carpeta de Arduino
COnfiguré ARduino con esa placa, el puerto COM correspondiente, el programador USBasp
Le di a Quemar Bootloader y esta lo que me pone:

avrdude: Version 6.3, compiled on Jan 17 2017 at 12:00:53
Copyright © 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright © 2007-2014 Joerg Wunsch

System wide configuration file is "C:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\tools\avr/etc/avrdude.conf"

Using Port : usb
Using Programmer : usbasp
AVR Part : ATmega1284P
Chip Erase delay : 55000 us
PAGEL : PD7
BS2 : PA0
RESET disposition : dedicated
RETRY pulse : SCK
serial program mode : yes
parallel program mode : yes
Timeout : 200
StabDelay : 100
CmdexeDelay : 25
SyncLoops : 32
ByteDelay : 0
PollIndex : 3
PollValue : 0x53
Memory Detail :

Block Poll Page Polled
Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack
----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
eeprom 65 10 128 0 no 4096 8 0 9000 9000 0xff 0xff
flash 65 10 256 0 yes 131072 256 512 4500 4500 0xff 0xff
lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00
calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00

Programmer Type : usbasp
Description : USBasp, http://www.fischl.de/usbasp/

avrdude: auto set sck period (because given equals null)
avrdude: warning: cannot set sck period. please check for usbasp firmware update.
avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude: Device signature = 0x1e9705 (probably m1284p)
avrdude: erasing chip
avrdude: auto set sck period (because given equals null)
avrdude: warning: cannot set sck period. please check for usbasp firmware update.
avrdude: reading input file "0x3F"
avrdude: writing lock (1 bytes):

C:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\tools\avr/bin/avrdude -CC:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\tools\avr/etc/avrdude.conf -v -patmega1284p -cusbasp -Pusb -Uflash:w:C:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\anet\avr/bootloaders/atmega/ATmegaBOOT_168_atmega1284p.hex:i -Ulock:w:0x0F:m
Writing | ################################################## | 100% 0.00s

avrdude: 1 bytes of lock written
avrdude: verifying lock memory against 0x3F:
avrdude: load data lock data from input file 0x3F:
avrdude: input file 0x3F contains 1 bytes
avrdude: reading on-chip lock data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of lock verified
avrdude: reading input file "0xFD"
avrdude: writing efuse (1 bytes):

Writing | ################################################## | 100% 0.00s

avrdude: 1 bytes of efuse written
avrdude: verifying efuse memory against 0xFD:
avrdude: load data efuse data from input file 0xFD:
avrdude: input file 0xFD contains 1 bytes
avrdude: reading on-chip efuse data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of efuse verified
avrdude: reading input file "0xDA"
avrdude: writing hfuse (1 bytes):

Writing | ################################################## | 100% 0.00s

avrdude: 1 bytes of hfuse written
avrdude: verifying hfuse memory against 0xDA:
avrdude: load data hfuse data from input file 0xDA:
avrdude: input file 0xDA contains 1 bytes
avrdude: reading on-chip hfuse data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of hfuse verified
avrdude: reading input file "0xD6"
avrdude: writing lfuse (1 bytes):

Writing | ################################################## | 100% 0.00s

avrdude: 1 bytes of lfuse written
avrdude: verifying lfuse memory against 0xD6:
avrdude: load data lfuse data from input file 0xD6:
avrdude: input file 0xD6 contains 1 bytes
avrdude: reading on-chip lfuse data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of lfuse verified

avrdude done. Thank you.


avrdude: Version 6.3, compiled on Jan 17 2017 at 12:00:53
Copyright © 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright © 2007-2014 Joerg Wunsch

System wide configuration file is "C:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\tools\avr/etc/avrdude.conf"

Using Port : usb
Using Programmer : usbasp
AVR Part : ATmega1284P
Chip Erase delay : 55000 us
PAGEL : PD7
BS2 : PA0
RESET disposition : dedicated
RETRY pulse : SCK
serial program mode : yes
parallel program mode : yes
Timeout : 200
StabDelay : 100
CmdexeDelay : 25
SyncLoops : 32
ByteDelay : 0
PollIndex : 3
PollValue : 0x53
Memory Detail :

Block Poll Page Polled
Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack
----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
eeprom 65 10 128 0 no 4096 8 0 9000 9000 0xff 0xff
flash 65 10 256 0 yes 131072 256 512 4500 4500 0xff 0xff
lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00
calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00

Programmer Type : usbasp
Description : USBasp, http://www.fischl.de/usbasp/

avrdude: auto set sck period (because given equals null)
avrdude: warning: cannot set sck period. please check for usbasp firmware update.
avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude: Device signature = 0x1e9705 (probably m1284p)
avrdude: NOTE: "flash" memory has been specified, an erase cycle will be performed
To disable this feature, specify the -D option.
avrdude: erasing chip
avrdude: auto set sck period (because given equals null)
avrdude: warning: cannot set sck period. please check for usbasp firmware update.
avrdude: reading input file "C:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\anet\avr/bootloaders/atmega/ATmegaBOOT_168_atmega1284p.hex"
avrdude: writing flash (128986 bytes):

Writing | ################################################## | 100% 0.00s

avrdude: 128986 bytes of flash written
avrdude: verifying flash memory against C:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\anet\avr/bootloaders/atmega/ATmegaBOOT_168_atmega1284p.hex:
avrdude: load data flash data from input file C:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\anet\avr/bootloaders/atmega/ATmegaBOOT_168_atmega1284p.hex:
avrdude: input file C:\Impresora 3D\Anet\Marlin\arduino-1.8.5-windows\arduino-1.8.5\hardware\anet\avr/bootloaders/atmega/ATmegaBOOT_168_atmega1284p.hex contains 128986 bytes
avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 128986 bytes of flash verified
avrdude: reading input file "0x0F"
avrdude: writing lock (1 bytes):

Writing | ################################################## | 100% 0.02s

avrdude: 1 bytes of lock written
avrdude: verifying lock memory against 0x0F:
avrdude: load data lock data from input file 0x0F:
avrdude: input file 0x0F contains 1 bytes
avrdude: reading on-chip lock data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of lock verified

avrdude done. Thank you.

Por lo que entiendo que el bootloader está correctamente cargado. SIn embargo la pantalla sigue azul


Despues de esto voy de nuevo a seguir los pasos del video para cargar el firmware de Marlin y me aparece justo el error que aparece en este post
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