Embedded hacking courses: grayhatacademy.com
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When you're frustrated and get your programming/markup languages mixed up and your comments get rendered to the end user. 😆
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Get a set of decent files. I’ve had these for about 5 minutes and already wonder why I didn’t get them sooner. #deburring bit.ly/2Q0QXi5
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Playing around with cutting some angles on the mill today #machining #manualmachining #homemachinist bit.ly/2PSH3Pt
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Cleaned up the bench today and now my 5 year old is taking apart and inspecting my project boxes. I’m going to allow this.
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Simple L match does a fine job impedance matching my attic dipole to the CW portion of 40 meters. Love it when simulations match reality!
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Listening to the latest @soldersmoke podcast and they mentioned my YouTube video on measuring crystal motional parameters. Very cool! piped.video/watch?v=y-rCgumT…
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Pulled a couple of nice variable caps out of some old a.m. radios I picked up at the thrift store. Both multi-ganged, smooth rotation. The left one has a nice gear reduction drive too.
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Quick sketch, hopefully legible. Analog switch used for mixing, LO was 7MHz from my function gen, audio was fed into a radio shack amplified speaker.
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Very likely the worlds worst receiver, built up on 3 copper clad PCBs, but still a thrill to hear a local ham calling CQ on 40m with just a few feet of wire antenna strung up in my basement!
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Looks like Mouser is now stocking crystals smack in the middle of the CW portions of the 40/30/20 meter ham radio bands?! When did that happen?
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Signal is a bit noisy due to solderless breadboard, flying leads, poor supply decoupling, etc; even so, zoomed in at 100mv/div at least three levels of recursion in the fractal are easy to make out.
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A new video in which I ramble semi-comprehensibly about negative resistance, op amps, and chaos theory: piped.video/ezIBFuuJiy4
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With all these "flashing light prize" entries filling up my twitter feed, I thought I'd submit one of my own. flashinglightprize.com
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You know your product is shit when you have to implement a "self-healing" feature that's really just a scheduled reboot.
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