Macrofab Engineering Podcast

MEP EP#235: Solar Freaking Cat FeedersParker Cat Feeder Unreminder Pulsing current to light LEDs http://donklipstein.com/ledlocup.html http://www.discovercircuits.com/H-Corner/lowpwrflasher.htm Timer IC LTC2956 Power Management Solar with super capacitors Panasonic BSG series solar panels Will have to do research on specifying solar panels AEM10941 https://e-peas.com/wp-content/uploads/2020/04/DS_AEM10941.pdf Built in LDO regulators Stephen Ball screws Bought a small section of ball screw with the associated nut, nut housing, and end block SFU1605 300mm - 16mm diameter and 5mm pitch Trying to work out linear forces and the RPM range if it were to be driven from a stepper motor or servo Mechanical engineering is tough CNC work Cut the first actual project on the CNC Movable cradle for holding chassis - makes working on them super easy Had to spend some serious time working on getting the machine to cut 90 degree Iterative process Flex in the machine