Transistor Tester Base - Hackerboxes #18
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This Is Not My First Transistor Tester, So This Is Not My First Attempt To Make A Case For It. When I Put My Hands On This Kit From Hackerboxes #18 (Http://Www.Instructables.Com/Id/Hackerboxes-0018-Circuit-Circus/), Quite Compact But Packed With Different Tools Like Frequency And Voltage Meters, Etc, I Wanted To Take A Different Approach From Traditional/Bulky Cases And Make A Light, Minimalistic Base To Accomodate The Pcb And The 9V Battery, Still Allowing Access To External Power Adapter When Necessary (Replacing The 9V Battery). This Is How I Accomplished It, Using A Printrbot Simple Metal 3D Printer With Black Pla (But You Can Have It Your Own Way With Different Material And Color). I Don'T Really Like Metal-Plastic Friction, So I Use Four M3 X 5Mm X 5.3Mm Brass Inset Nuts ( Amazon: Https://Tinyurl.Com/Yavo62Ou) With Four M3-0.5 Metric 6Mm Length Screws (Amazon: Https://Tinyurl.Com/Ya6S3Gjd) For A Perfect Fit. Usually The Insets Fit Tight In The Base Without Any Glue, But You Can Use Hot Glue To Make Sure They Don'T Slip Out. I Used A Small Velcro Through The Slots On The Battery Compartment Sides, To Keep The Battery Well Attached To The Base; Also, I Fixed The Battery Connector To The Base With A Nylon Zip Tie. Check The Pictures I'Ve Attached To See Where And How All Parts Fit Together. If You Want To Take A Different Approach On The Insets Or Anything, You Are Welcome To Edit The Project To Your Needs.
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