상황
Designing a handheld EIS tester to measure apple impedance for ripeness detection, using a Bluetooth module to send data to a smartphone app.
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01
Using a sine wave excitation source for frequency-dependent measurement
02
Modeling fruit as parallel RC for simplicity
03
Including an ADC for analog-to-digital conversion
04
Using UART cross-connection for MCU-Bluetooth communication
When needing a portable, battery-powered EIS system with wireless connectivity for agricultural IoT applications.