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I got a bogus copyright claim on my next video about the fantastic Tektronix 222 mini oscilloscope. Always annoying. But let's turn this into an opportunity and give the Patreons early access while this is resolving!

https://youtu.be/HlYOgXKnHvI

Enjoy!

Marc

Files

Tektronix 222 Mini CRT Oscilloscope Restoration

The Tek 222 oscilloscope is a classic Tek collectible. Hard to find a cuter mini-CRT scope and the minimalist yet highly functional user interface is in a league of its own. And it's digital to boot! In the opinion of some (me included), it still can't be matched by today's low cost miniature LCD scopes. We ought to restore this one to perfection. Kitsune-Denshi LiPo battery mod: https://youtu.be/LJ2VS3aohV0 http://kitsune-denshi.net/projects:tek222bat Kitsune-Denshi ready-made kit: https://www.n0dy.com/product/tektronix_222_battery_charger/ (also sold on eBay) Mr. Carlson's NiMH battery mod: https://youtu.be/nLWVTFj_Yik Music by Zeeky Beats: https://youtu.be/Q3saFny02KU Our sponsors - PCBWay: fast turn PCBs, https://www.pcbway.com - Electro-Rent: https://www.electrorent.com - Keysight: test instruments: https://www.keysight.com - Samtec: connectors: https://www.samtec.com Support the team on Patreon: https://www.patreon.com/curiousmarc Buy our merch on Teespring: https://teespring.com/stores/curiousmarcs-store Get more info on the companion site: https://www.curiousmarc.com Contact info: https://www.youtube.com/curiousmarc/about

Comments

Anonymous

Marc, enjoyed the video as always. NOTE: I have a both a TEK 222 and TEK 224. The original button you are missing is different from the other two buttons marked POS. The dimensions are identical however the outer surface is (smooth), not ribbed like the other buttons. Also, the button face is marked: AUTO LVL: PUSH

curiousmarc

Dang. I was so proud of my ersatz button. I knew about the marking, but not about the absence of ribbing. Which makes sense, since rotating that button does not do anything.