#garfield Logs

May 24 2023

#garfield Calendar

07:53 AM rue_mohr: I don't see any that are reclined tho
10:02 AM polprog: a trike is 50% more bike than bike
10:02 AM polprog: planning to build an electric trike?
04:39 PM polprog: https://cdn.discordapp.com/attachments/823223032822104094/1111033804971311235/IMG_20230524_215931.jpg
04:39 PM polprog: the return loss is awfully high
04:39 PM polprog: but i managed to build it, 30dB attenuation flat as table
04:39 PM polprog: https://cdn.discordapp.com/attachments/823223032822104094/1111033805256544369/IMG_20230524_224745.jpg
04:39 PM polprog: i have to do something about the return loss
06:28 PM rue_mohr: you have missed the entire set of trike building theads I put out didn't you?
06:28 PM rue_mohr: and all the images I posted here... didn't you
09:11 PM aandrew: rue_mohr: I've used rockauto a lot, they seem decent
09:11 PM rue_mohr: yea, everyone at work in crazy about them
09:12 PM Tom_L: i've used them
09:14 PM rue_mohr: hmm
09:22 PM Tom_L: check the maize bot in #robotics
09:35 PM aandrew: rue_mohr: you worked with hospitals - do you know the spec offhand that medical device batteries need to conform to? I don't think it's 60604
09:56 PM rue_mohr: no, at the hospital we use just about whatever.
10:19 PM aandrew: hm
10:23 PM rue_mohr: you didn't mean like in a patient or soemthing
10:24 PM aandrew: not inside a patient, but for patient-connected equipment (think heart-lung machine, dialysis, etc.)
11:04 PM rue_mohr: here they just use whatever
11:04 PM rue_mohr: almost always lead-acid
11:04 PM rue_mohr: well, hmm,
11:04 PM rue_mohr: maybe not with the patient connected,
11:05 PM rue_mohr: I dont know if I'v seen the packs in that stuff
11:05 PM rue_mohr: well, my IGBT motor driver works
11:07 PM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1280612.jpg
11:08 PM rue_mohr: tho I want more dead time between forward/reverse switching