Sports Buzzer Timer DIY Build #1

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My Grandpa manages hockey teams and needed a replacement timer to replace his ancient Gear driven timer. The gears became stripped and were impossible to find a manufacture because it was hand made by someone!

I made him a replacement sports timer for his hockey events using a digital timer circuit. Continue reading “Sports Buzzer Timer DIY Build #1”

Make a DIY test RPM gauge for under hood diagnostics. RPM mechanic tool.

I had an extra RPM gauge from my old CRX gauge set that I removed and changed for an Integra gauge cluster. So I decided to make this handy mechanics tool.

DIY Mechanics RPM gauge

Continue reading “Make a DIY test RPM gauge for under hood diagnostics. RPM mechanic tool.”