Instructables

How to make an Arduino oscilloscope probe

               This instructabe will show you how to make an arduino oscilloscope probe for these links, a poorman's oscilloscope http://www.instructables.com/id/Arduino-Oscilloscope-poor-mans-Oscilloscope/ and a multi channel oscilloscope for arduino /http://www.instructables.com/id/Arduino-Multi-Channel-Oscilloscope-Poor-Mans-O/
 
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Step 2: Schematic

Picture of Schematic
R1 113K ohm
R2 10M ohm
Part 1 2-5 pF  variable capacitor
I copy RuiSantos' comment. Great idea and good addition to the scopes.

Why did you choose an adjustable capacitor?
And how did you determine on how to set it?
RuiSantos1 year ago
Nice project :)
thanks for sharing!
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