This is a small inexpensive scope that you can use to look at wave forms or DC control signal pulses.. I use it to look for automotive sensor outputs and device control signals from the ECU-TCU-BCU computers to determine if there are signals and their form and strength.. I would not use this to examine high precision devices but for speed controllers and such it is great to have in the tool kit..
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Purtroppo io ho sbagliato le dimensioni delle batterie dovevo ordinare delle mini stilo AA.