Page Comparison

vpn.rc.fas.harvard.edu

...

scp pi@10.245.20.23:~/Desktop/lise_magnet/data/data* .
but beware duplicate file names!

Status on Dec 16 2022

device	oldest	newest	notes
RIPIR1	Mon 21 Nov 2022 02:48:59 PM EST	Tue 13 Dec 2022 01:11:58 PM EST	data collection died on Dec 13 2022-12-13-13-11-18 socket write successfull 2022-12-13-13-11-48 socket write successfull 2022-12-13-14-46-19 Error: Arduino serial port is idle. 2022-12-13-16-20-40 Error: Arduino serial port is idle. 2022-12-13-17-55-01 Error: Arduino serial port is idle.
RPIR2			ssh: connect to host 10.245.20.26 port 22: Network is unreachable
RPIR3			ssh: connect to host 10.245.20.25 port 22: Network is unreachable
PRIR4	Thu 24 Nov 2022 10:00:29 PM EST	Fri 16 Dec 2022 09:09:15 PM EST	this one seems to be working.
RPIR5	Fri 25 Nov 2022 12:04:35 PM EST	Fri 16 Dec 2022 09:18:51 PM EST	also working
RPIR6	Dec 15	Fri 16 Dec 2022 09:31:44 PM EST	also working, but taking data at 1 Hz not 1/10 Hz. . Only a few days of data stored
RPIR7	Nov 30	Dec 16	working OK
RPIR8	Nov 30	Dec 15	working OK
RPIR9	Nov 30	Dec 16	working OK
RPIR10			ssh: connect to host 10.245.20.18 port 22: Network is unreachable
RPIR11	Nov 29	Dec 15	working OK
RPIR12	Nov 29	Dec 16	working OK

data storage estimate.

3 axes plus timestamp, over around 3 weeks, requires 5.3M

...

Tool for conversion of JSON to CSV files: dasel on MAC. brew install dasel

$ dasel -r json -w csv < sample.json 
color,id,value
red,1,#f00
green,2,#0f0
blue,3,#00f

Nope, didn't work. Evidently json2tsv works better?