Home Forum Software A3 firmware upgrade 126 -> 139 VOC sensor values now very low

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    mmx
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    Hi everyone,

    I just recently (1/11, 9:30 PM) updated the firmware of my uRadmonitor A3 (HW: 105)from firmware version 126 to 139 after I got it mailed to me by Radu.

    I just now realize that the VOC values the device reports are now hugely different. Before I had values somewhere around 290.000 – 320.000 Ohm. With the new firmware I now see values around 4.000 – 7.000 Ohm.
    See chart: https://www.uradmonitor.com/tools/dashboard-04/?open=82000095

    Has anyone expierenced the same?

    The flashing process looked ok and all the other sensor values look (at least to me) like sensible data.

    
    $ avrdude -p atmega328p -P usb -c usbasp -U flash:w:82000095_fw139.hex:i
    
    avrdude: warning: cannot set sck period. please check for usbasp firmware update.
    avrdude: AVR device initialized and ready to accept instructions
    
    Reading | ################################################## | 100% 0.00s
    
    avrdude: Device signature = 0x1e950f (probably m328p)
    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: warning: cannot set sck period. please check for usbasp firmware update.
    avrdude: reading input file "82000095_fw139.hex"
    avrdude: writing flash (22154 bytes):
    
    Writing | ################################################## | 100% 14.83s
    
    avrdude: 22154 bytes of flash written
    avrdude: verifying flash memory against 82000095_fw139.hex:
    avrdude: load data flash data from input file 82000095_fw139.hex:
    avrdude: input file 82000095_fw139.hex contains 22154 bytes
    avrdude: reading on-chip flash data:
    
    Reading | ################################################## | 100% 12.44s
    
    avrdude: verifying ...
    avrdude: 22154 bytes of flash verified
    
    avrdude: safemode: Fuses OK (E:FD, H:D7, L:DC)
    
    avrdude done.  Thank you.
    

    Kind Regards

    Matthias

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