31 Aug '17, 8am

Repurposing Moving Coil Meters to Monitor Server Performance

Repurposing Moving Coil Meters to Monitor Server Performance

As [MrWunderbar] admits, the dancing needles of moving-coil meters lend hipster cred to a project, but getting his Vu meters to cooperate and display network utilization and disk I/O on his Raspberry Pi NAS server was no mean feat. His build log is full of nice details on how to measure the internal resistance of the meter and determine a proper series resistor. He also has a lengthy discussion of the relative merits of driving the meters using a PWM signal or using a DAC; in the end, [MrWunderbar] chose to go the DAC route, and the video below shows the desired rapid but smooth swings as disk and network usage change. He also goes into great depth on pulling usage parameters from psutil and parsing the results for display on the meters.

Full article: https://hackaday.com/2017/08/31/repurposing-moving-coil-m...

Tweets

#Smartcity reports & #Siemens performance tool

siemens.com 02 Sep '17, 10pm

These changing environments set free a swarm of urban challenges: Developed cities for instance need to focus on cutting c...

Here's the server info for content thieves, @sh...

whois.com 30 Aug '17, 5pm

Domain Name: shemaletube.video Registry Domain ID: 761d0760dc59455c8abfac2e49dd5862-RSIDE Registrar WHOIS Server: www.goda...