About Mobile Science - DCVoltmeter
DCVoltmeter records, displays, and exports to spreadsheet DC voltages (ranging from 0 to about 11 volts).
Input is through the microphone audio headset port. The application requires the LM231/331 voltage-to-frequency converter in a simple circuit.
Designed for use in science education experiments that:
1) measure the voltage as it changes over time,
2) display voltage in a real time graph,
3) export the voltage to spreadsheet for further analysis or sharing.
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