Raspberry Pi Experiment 14: Trying PC scope SW by probing through audio-device microphone input

PC-based scope SW

(courtesy of Ronen)

http://www.zeitnitz.eu/scope_en

Photo-report

This report is about how the scope worked for me when it was tried with wind-speed and wind direction sensors powered from Raspberry Pi’s 3V pins.

• Constellation:

– One cable built from two:
__ * Gold Plated banana plug to Small Test Hook Clip Cable. Test Probes IC PCB.
__ * 3.5mm AUX AUXILIARY CORD Male to Male Stereo Audio Cable for PC
– One PC microphone in
– Scope SW

• Signal from wind-speed sensor

– static

– rotating

• Signal from wind direction sensor (direction change may be noticed in the middle of the signal – amplitude change)