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Hello, I recently purchased a Mk3 3D Chameleon to use with my P1P. It was working great although I want to have a single bowden tube go through the case into the print head. A little browsing the forums saw I could set the retraction distance to any arbitrary amount with a firmware update to 3.1. Got an Arduino Uno shortly after that and figured out how to load it.

Now after loading it and setting up the chameleon for a test when the switch is pressed all i get is the motors vibrating no more pulses or movement of the mechanism.

This is the last command / and printout when programming:

D:\Program Files\AVRDUDE>avrdude -P com3 -b 19200 -c avrisp -p m328p -v -e -U flash:w:SelectorFirmwareMK3.hex:i

avrdude: Version 7.1

Copyright the AVRDUDE authors;

see https://github.com/avrdudes/avrdude/blob/main/AUTHORS

System wide configuration file is D:\Program Files\AVRDUDE\avrdude.conf

Using Port : com3

Using Programmer : avrisp

Overriding Baud Rate : 19200

AVR Part : ATmega328P

Chip Erase delay : 9000 us

PAGEL : PD7

BS2 : PC2

RESET disposition : possible i/o

RETRY pulse : SCK

Serial program mode : yes

Parallel program mode : yes

Timeout : 200

StabDelay : 100

CmdexeDelay : 25

SyncLoops : 32

PollIndex : 3

PollValue : 0x53

Memory Detail :

Block Poll Page Polled

Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack

----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------

eeprom 65 20 4 0 no 1024 4 0 3600 3600 0xff 0xff

flash 65 6 128 0 yes 32768 128 256 4500 4500 0xff 0xff

lfuse 0 0 0 0 no 1 1 0 4500 4500 0x00 0x00

hfuse 0 0 0 0 no 1 1 0 4500 4500 0x00 0x00

efuse 0 0 0 0 no 1 1 0 4500 4500 0x00 0x00

lock 0 0 0 0 no 1 1 0 4500 4500 0x00 0x00

signature 0 0 0 0 no 3 1 0 0 0 0x00 0x00

calibration 0 0 0 0 no 1 1 0 0 0 0x00 0x00

Programmer Type : STK500

Description : Atmel AVR ISP

Hardware Version: 2

Firmware Version: 1.18

Topcard : Unknown

Vtarget : 0.0 V

Varef : 0.0 V

Oscillator : Off

SCK period : 0.1 us

avrdude: AVR device initialized and ready to accept instructions

avrdude: device signature = 0x1e950f (probably m328p)

avrdude: erasing chip

avrdude: reading input file SelectorFirmwareMK3.hex for flash

with 2982 bytes in 1 section within [0, 0xba7]

using 24 pages and 90 pad bytes, cutting off 2 trailing 0xff bytes

avrdude: writing 2982 bytes flash ...

Writing | ################################################## | 100% 3.42 s

avrdude: 2982 bytes of flash written

avrdude: verifying flash memory against SelectorFirmwareMK3.hex

Reading | ################################################## | 100% 1.87 s

avrdude: 2984 bytes of flash verified

avrdude done. Thank you.

D:\Program Files\AVRDUDE>

Any help is appreciated, thank you!