Macrofab Engineering Podcast

I Expect You To be Bored Mr. Bond Episode 100 is coming up! It’ll be a Q&A session - so send in your questions to podcast@macrofab.com 2nd Annual Star Wars Xmas Special Engineering Podcast. Check out the video from last year! Parker Built a mounting surface for the Jeep Electronics Stephen Failure of the Science Museum Project Was expecting soft foam at the bottom of the "well" to move the cones of the drill bit Hard plastic was installed instead Coupling bent up that connects the rotational shaft to the large nema 34 stepper Safety first, equal amounts of time spent on safety as engineering the rest of the project Pick Of the Week (POW) How to reduce Arduino Uno power usage by 95% - Deferred Procrastination Replace the linear regulator with a DC-DC converter Adjust the USB-to-Serial circuit so it’s only powered from the USB port Cut out (or desolder) the always-on LED’s on the board Use the processor sleep mode. Before: 53mA After: 2.5mA DC -DC convertor used was a Traco TSRN-1 for $6.07