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November 26, 2019

Seasons Greetings

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We close Tuesday to travel for Thanksgiving. We will return December 3. We thank you for understanding and bid you and yours health, wealth,...
November 25, 2019

Master Key Systems Explained - How To Design Your Master Key System

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Today marks 10 years from when we wrote an article about Master Key Systems and we revise that post today and include it here for your ple...
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October 18, 2019

Statement on Fingerprint Recognition Issue

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A little over 6 years ago we wrote an article about issues with the fingerprint sensor affecting Apple iPhones. The article here  explai...
September 12, 2019

Revive - The King Of Lubricant Protection

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Many consumers in America love buying American designed, produced and manufactured products , especially products designed to make their li...
September 5, 2019

Door And Window Sensor - Not An Alarm

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An interesting product that has merits in this IoT era is the Mirabella Door and Window Sensor . This small but powerful product is sp...

Airlock - Tire Pump And Bike Lock Merged

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 Continuing on the bicycle lock subject..... Here you can see a new product currently on Kickstarter that combines a typical bicycle air ...

Bicycle Locks - Comparison List

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The information below is based on a reader-supported website where the site may earn affiliate commissions. We here at Master Key do not ...
September 3, 2019

Rental Car - Fail (Locked Out)

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A rather interesting article hit my desk this week that made my eyes and ears prick up. In recent years, I have been posting here about...