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This is my voltmeter with ICL7107,I have found this project on the web here is link More pictures in full size you can see it here
Digital multimeter for your carby abo_hosni
Amplificador de Instrumentación - Instrumentation Amplifierby Electgpl
Digital speedometer, tachometer & engine temperature displayby abo_hosni
homemade 100W LED flashlightby Unboxingexperience7
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