Vibration analysis

DIY Metal Detector (Au,Ag,Fe)

with Discrimination

Speedometer, Speed Limit Alert

+ Bike Computer + GPS tracker

Strobe tachometer (RPM meter)

+ Laser Tachometer + Magnetic

Sound Spectrum Analysis

Audio Frequency Analyzer (RTA)

Video tachometer

Strobe light effect, RPM meter

Offline Photo Storage

Transfer media files to PC

DIY Anemometer (Wind Meter)

Measurement of airflow speed

Video tachometer for business

Utilities

Turns Counter (Magnetic)

for Coil Winding Machine

Talking Speedometer

+ Bike Computer + GPS tracker