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- Fri Jun 06, 2025 12:12 pm
- Forum: General Discussion Forum
- Topic: Phone Apps: Interesting test tools - tachometer, strobe light, rpm, speedometer, elevation, etc
- Replies: 26
- Views: 19632
Re: Phone Apps: Interesting test tools - tachometer, strobe light, rpm, speedometer, elevation, etc
I thought I'd share a recent discovery I haven't seen mentioned here. Strobe lights that measure rpm have been around for decades. Good ones with digital readouts are expensive. Here's a way to get one for free using your smartphone to Measure the RPM of your motor, your wheels, your water pump, la...