Du coup cela peut aider je me retrouve avec ce message là :
Arduino : 1.8.8 (Mac OS X), Carte : "Arduino Pro or Pro Mini, ATmega328P (3.3V, 8 MHz)"
/Users/dylancimmino/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino14/bin/avrdude -C/Users/dylancimmino/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino14/etc/avrdude.conf -v -patmega328p -carduino -P/dev/cu.wchusbserial14540 -b19200 -e -Ulock:w:0x3F:m -Uefuse:w:0xFD:m -Uhfuse:w:0xDA:m -Ulfuse:w:0xFF:m
avrdude: Version 6.3-20171130
Copyright (c) 2000-2005 Brian Dean,
http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch
Ou bien ça si j'inverse le sens des files du condensateur C1 du lipo :
Arduino : 1.8.8 (Mac OS X), Carte : "Arduino Pro or Pro Mini, ATmega328P (3.3V, 8 MHz)"
/Users/dylancimmino/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino14/bin/avrdude -C/Users/dylancimmino/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino14/etc/avrdude.conf -v -patmega328p -carduino -P/dev/cu.wchusbserial14540 -b19200 -e -Ulock:w:0x3F:m -Uefuse:w:0xFD:m -Uhfuse:w:0xDA:m -Ulfuse:w:0xFF:m
avrdude: Version 6.3-20171130
Copyright (c) 2000-2005 Brian Dean,
http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "/Users/dylancimmino/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino14/etc/avrdude.conf"
User configuration file is "/Users/dylancimmino/.avrduderc"
User configuration file does not exist or is not a regular file, skipping
Using Port : /dev/cu.wchusbserial14540
Using Programmer : arduino
Overriding Baud Rate : 19200
AVR Part : ATmega328P
Chip Erase delay : 9000 us
PAGEL : PD7
BS2 : PC2
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 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 0 0 4500 4500 0x00 0x00
hfuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
efuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
lock 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00
calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00
signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00
Programmer Type : Arduino
Description : Arduino
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
Reading | ################################################## | 100% 0.03s
avrdude: Device signature = 0xffffff (probably .avr8x_mega) (retrying)
Reading | ################################################## | 100% 0.03s
avrdude: Device signature = 0xffffff (probably .avr8x_mega) (retrying)
Reading | ################################################## | 100% 0.03s
avrdude: Device signature = 0xffffff (probably .avr8x_mega)
avrdude: Yikes! Invalid device signature.
Double check connections and try again, or use -F to override
this check.
avrdude done. Thank you.
Erreur lors de la gravure de la séquence d'initialisation.
Ce rapport pourrait être plus détaillé avec
l'option "Afficher les résultats détaillés de la compilation"
activée dans Fichier -> Préférences.
System wide configuration file is "/Users/dylancimmino/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino14/etc/avrdude.conf"
User configuration file is "/Users/dylancimmino/.avrduderc"
User configuration file does not exist or is not a regular file, skipping
Using Port : /dev/cu.wchusbserial14540
Using Programmer : arduino
Overriding Baud Rate : 19200
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x00
avrdude done. Thank you.
Erreur lors de la gravure de la séquence d'initialisation.
Ce rapport pourrait être plus détaillé avec
l'option "Afficher les résultats détaillés de la compilation"
activée dans Fichier -> Préférences.