#garfield Logs

Jul 15 2025

04:57 PM aandrew: https://ibb.co/cc16ZbbH -- what is that right-side op-amp doing in this circuit? It's driving a MEMS mirror, and it seems like it's measuring the current draw of the MEMS actuator across the 50R and providing an error feedback
05:16 PM aandrew: input of the left opamp is a differential signal
06:18 PM rue_mohr: probably postision sensor
08:56 PM rue_shop2: wow, yea, it was the hottest day of summer here yet, and in the shop I had the printer off, and its totally cool in here
09:48 PM aandrew: what'd it get up to there today?
09:51 PM aandrew: we've been pretty consistently in the low-mid 30s in ontario
11:13 PM rue_shop2: 32?
11:13 PM rue_shop2: some said 34
11:13 PM rue_shop2: shop tstat says it saw 27
11:13 PM rue_shop2: (inside)