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open makefile with mfile.exe ( in all program > winavr group) change mcu type then save make file and program againBut the problem seems to be fixed by changing the parameters of "measurement settings and offsets" ( see text above )Also, change the power supply temporarily to the battery and check the result.Act this warning in the text of the article:"Do not leave flux on the PCB after soldering components !! This may result in some unwanted values you have on display. You can use Isopropyl Alcohol and some Cotton Buds to clean the flux on the PCB".
Use shield cable to connect probes and shields to Gnd
Program micro guide:install winavr :http://zip.electrical4u.ir/nDownload AVRDUDE 6.3 file:http://download.savannah.gnu.org/releases/avrdude/avrdude-6.3-mingw32.zipMake a folder named test in the c windows drive and copy twofiles inside the downloaded avrdude zip fileDownload the tester code from the zip file top, then copy thecontents of the ComponentTester-classic-1.20m folder into the c: \ test folder.use a usbasp compatible programmer Connect to the computer ,install driver and put the microphone inside.Run Windows Command Prompt and type :c:cd \ testpath C: \ WinAVR-20100110 \ utils \ binmake allmake uploadmake fusesmake cleanIf your programmer is not usbasp, is in c: \ testOpen makefile with a notepad and change this part of thefile as your programmer.programmer = xxxxx