I have some code for an Uno that requires me to specify chipset (atmega32u4, atmega16u2, atmega32u2, Uno_at90usb82, Uno_at90usb162, Uno_atmega8u2) but I don't think I have a magnifier powerful enough to read the chip. Do I have any other way to get the info?
Thanks so much
Joe
Post pictures of the board
Take a picture of the Arduino.
Use a cell phone? Although below images are for a clone Nano, you can identify the chips; not sure if they were taken in macro mode or not. You might have to adjust the angle (as seen in the second image) and take them in daylight without flash.
I just cannot for my life get the camera to focus on the chipset. Maybe I'm doing it wrong, or maybe my smartphone sucks.
b707
August 3, 2022, 3:34pm
6
Ok, can you read marks on the chip yourself? If so - repost it to the forum as text
That's what I'm saying, it's too small to read unaided and my magnifier won't focus on it either. Isn't there some software way to probe it?
b707
August 3, 2022, 3:39pm
8
Arduino IDE
When you upload the sketch, IDE print the chip signature in the output
OK, sorry where exactly? I just successfully uploaded Blink but didn't see chipset anywhere.
ETA: I found Tools>get board info, but it doesn't populate after I upload blink
Should I just make a new question and delete this thread?
b707
August 3, 2022, 4:01pm
11
Go to Preferences and switch on detailed output for compliling and upload.
Then upload code again and copy to the forum whole output as text.
C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\libraries -libraries C:\Users\VIRGO SYSTEMS\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_build_439424 -warnings=none -build-cache C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_cache_919252 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -verbose C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\examples\01.Basics\Fade\Fade.ino
C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\arduino-builder -compile -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\libraries -libraries C:\Users\VIRGO SYSTEMS\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_build_439424 -warnings=none -build-cache C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_cache_919252 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr -verbose C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\examples\01.Basics\Fade\Fade.ino
Using board 'uno' from platform in folder: C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\arduino\avr
Using core 'arduino' from platform in folder: C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\arduino\avr
Detecting libraries used...
"C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424\\sketch\\Fade.ino.cpp" -o nul
Generating function prototypes...
"C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424\\sketch\\Fade.ino.cpp" -o "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424\\preproc\\ctags_target_for_gcc_minus_e.cpp"
"C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424\\preproc\\ctags_target_for_gcc_minus_e.cpp"
Compiling sketch...
"C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424\\sketch\\Fade.ino.cpp" -o "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424\\sketch\\Fade.ino.cpp.o"
Compiling libraries...
Compiling core...
Using precompiled core: C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_cache_919252\core\core_arduino_avr_uno_7badb9d0d399766d9f906b5fb78ea16e.a
Linking everything together...
"C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\tools\\avr/bin/avr-gcc" -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424/Fade.ino.elf" "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424\\sketch\\Fade.ino.cpp.o" "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424/..\\arduino_cache_919252\\core\\core_arduino_avr_uno_7badb9d0d399766d9f906b5fb78ea16e.a" "-LC:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424" -lm
"C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\tools\\avr/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424/Fade.ino.elf" "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424/Fade.ino.eep"
"C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\tools\\avr/bin/avr-objcopy" -O ihex -R .eeprom "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424/Fade.ino.elf" "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424/Fade.ino.hex"
"C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\\hardware\\tools\\avr/bin/avr-size" -A "C:\\Users\\VIRGOS~1\\AppData\\Local\\Temp\\arduino_build_439424/Fade.ino.elf"
Sketch uses 1144 bytes (3%) of program storage space. Maximum is 32256 bytes.
Global variables use 13 bytes (0%) of dynamic memory, leaving 2035 bytes for local variables. Maximum is 2048 bytes.
C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avrdude -CC:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr/etc/avrdude.conf -v -patmega328p -carduino -PCOM8 -b115200 -D -Uflash:w:C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_build_439424/Fade.ino.hex:i
avrdude: Version 6.3-20190619
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.57.0_x86__mdqgnx93n4wtt\hardware\tools\avr/etc/avrdude.conf"
Using Port : COM8
Using Programmer : arduino
Overriding Baud Rate : 115200
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: 3
Firmware Version: 4.4
Vtarget : 0.3 V
Varef : 0.3 V
Oscillator : 28.800 kHz
SCK period : 3.3 us
avrdude: AVR device initialized and ready to accept instructions
Reading | ################################################## | 100% 0.00s
avrdude: Device signature = 0x1e950f (probably m328p)
avrdude: reading input file "C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_build_439424/Fade.ino.hex"
avrdude: writing flash (1144 bytes):
Writing | ################################################## | 100% 0.18s
avrdude: 1144 bytes of flash written
avrdude: verifying flash memory against C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_build_439424/Fade.ino.hex:
avrdude: load data flash data from input file C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_build_439424/Fade.ino.hex:
avrdude: input file C:\Users\VIRGOS~1\AppData\Local\Temp\arduino_build_439424/Fade.ino.hex contains 1144 bytes
avrdude: reading on-chip flash data:
Reading | ################################################## | 100% 0.14s
avrdude: verifying ...
avrdude: 1144 bytes of flash verified
avrdude done. Thank you.
b707
August 3, 2022, 4:14pm
15
sorry, it just occurred to me - what kind of chipset do you need? Main controller or usb-interface?
atmega328 - your main controller, but for USB-interface you should read the marks on the other chip - rectangular 20 pins to the right of the main one in your photos.
I'm with you. Have to use a big magnifier to read chips and resistors. Middle-age is killer for the psyche.
Looks like a CH340 for USB, if that matters
I have several of those boards. They use the ATMEGA328P chip as you've found out. Mine use the CH340G USB-Serial chip for serial comms to the PC.
Yeah, if I can't read the printing on the main chip I'm not going to be able to read it on the smaller one :/,
Here's a quick photo of mine at full resolution. Ignore the hack - it's been modified for 3.3V operation!