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Monthly Archives: January 2013
Hardware Pong Mod Makes Smaller Paddles
While browsing Hack-a-Day, I ran into an awesome hack for the original Pong game. One enterprising hobbyist built his own Pong from scratch following the schematics. It’s a big job but it’s manageable since it’s all discrete logic. I’ve just … Continue reading
Posted in DIY, Electronics, Hardware, Projects, Vintage
Tagged hardware, mods, paddles, pong, smaller, smaller paddles, that 70's show
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Depression-Era Radio: 1934 Grunow 460 Tombstone
I’ve had this Grunow 460 sitting in my queue pending for a little while and it’s finally on it’s way home looking great! There was a fun extra bit of detective work to identify and solve the issues that came … Continue reading
Posted in Projects, Radios and Tubes, Vintage
Tagged antenna coil, antique radio, capacitor, grunow, grunow 460, grunow radio restoration, old radio, repair, restoration, tombstone, tube radio, vacuum tube, vintage radio
2 Comments
Magic Eye Tube Spectrum Analyzer
French hobbyist Sylvain came up with a fascinating project using 8 Magic Eye tubes from old equipment to make an audio spectrum analyzer. I’ve worked with magic eye tubes quite a few times, they’re very fascinating. Originally precursors to CRTs, they’ve found … Continue reading
Posted in Commentary, Electronics, Gadgets, Projects
Tagged audio, eye tube, hack, magic eye, project, spectrum analyzer, visualizer
1 Comment
Previous Repair Work
It’s interesting working in a radio that’s been repaired before in its life. The quality of the work varies greatly. I’m working on a Grunow 460 (which will be written up later) and I found a late 1930s repair attempt … Continue reading
Posted in Electronics, Projects, Radios and Tubes, Vintage
Tagged antique radio, capacitor, grunow, grunow 460, repair, restoration, vintage radio
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Oscilloscopes – A Look Inside
Reader Brandy left a comment on my gift oscilloscope with a great cutaway infographic about how oscilloscopes are build from Tektronix. Check it out in full size here.