# Software **URL:** https://www.evolver.bio/c/software/8.md?page=2 [Latest](https://www.evolver.bio/latest.md) · [Categories](https://www.evolver.bio/categories.md) **Page:** 3 --- ## [Troubleshooting Setting up Raspberry Pi 4 as eVOLVER Server](https://www.evolver.bio/t/troubleshooting-setting-up-raspberry-pi-4-as-evolver-server/186)
**Author:** [@bsouthard](https://www.evolver.bio/u/bsouthard)\ **Replies:** 1\ **Last updated:** [June 15, 2020, 6:10pm UTC](https://www.evolver.bio/t/troubleshooting-setting-up-raspberry-pi-4-as-evolver-server/186 "2020-06-15T18:10:19Z")
I purchased a Raspberry Pi 4 Model B to use as the server for the eVOLVER I’m building, but I was at a loss on how to set it up to run the python server code given on the github page. @bgwong was kind enough to send me a… --- ## [Media consumption tracking](https://www.evolver.bio/t/media-consumption-tracking/174)
**Author:** [@danigarcia](https://www.evolver.bio/u/danigarcia)\ **Replies:** 6\ **Last updated:** [April 27, 2020, 2:39pm UTC](https://www.evolver.bio/t/media-consumption-tracking/174 "2020-04-27T14:39:38Z")
Hi everyone! I’ve been playing with some media consumption tracking these days. Added a new tab to the experiment page, with a table of media consumption. Once I tidy up my code and add some modifications I’ll share it. … --- ## [Failure to run calibration code, gets hung up at various points](https://www.evolver.bio/t/failure-to-run-calibration-code-gets-hung-up-at-various-points/165)
**Author:** [@grix](https://www.evolver.bio/u/grix)\ **Replies:** 10\ **Last updated:** [January 13, 2020, 8:29pm UTC](https://www.evolver.bio/t/failure-to-run-calibration-code-gets-hung-up-at-various-points/165 "2020-01-13T20:29:13Z")
When trying to run the OD calibration code, the commands seem to get hung up before completion, but when initially setting up the machine a month ago the code was able to run fine. When trying to list calibration fil… --- ## [GUI suggestion for target temperature](https://www.evolver.bio/t/gui-suggestion-for-target-temperature/159)
**Author:** [@dcoudreuse](https://www.evolver.bio/u/dcoudreuse)\ **Replies:** 3\ **Last updated:** [November 21, 2019, 9:55pm UTC](https://www.evolver.bio/t/gui-suggestion-for-target-temperature/159 "2019-11-21T21:55:04Z")
Hi all, A small suggestion for the GUI on the computer software as well as on the touch screen. After a temperature is applied to one or more smart sleeves using the interface, if one change to display another parameter… --- ## [No buffer space available](https://www.evolver.bio/t/no-buffer-space-available/143)
**Author:** [@mabrams](https://www.evolver.bio/u/mabrams)\ **Replies:** 4\ **Last updated:** [October 3, 2019, 2:46am UTC](https://www.evolver.bio/t/no-buffer-space-available/143 "2019-10-03T02:46:49Z")
Hi, My experiment has stopped twice in the last few days due to an error: error: \[Errno 55\] No buffer space available (picture below) Has this happened to anyone? It measures enough time points successfully each ti… --- ## [Running host on static IP vs local host IP](https://www.evolver.bio/t/running-host-on-static-ip-vs-local-host-ip/135)
**Author:** [@langevin.am](https://www.evolver.bio/u/langevin.am)\ **Replies:** 2\ **Last updated:** [September 7, 2019, 1:33am UTC](https://www.evolver.bio/t/running-host-on-static-ip-vs-local-host-ip/135 "2019-09-07T01:33:46Z")
We’ve been using a local host to view the eVOLVER OD and temperature plots, and to set that up in the terminal we run: cd …/eVOLVER python3.6 graphing/src/manage.py runserver However, we just got a static IP address f… --- ## [Dropped fluidic commands](https://www.evolver.bio/t/dropped-fluidic-commands/96)
**Author:** [@cmancuso](https://www.evolver.bio/u/cmancuso)\ **Replies:** 9\ **Last updated:** [May 22, 2019, 9:02pm UTC](https://www.evolver.bio/t/dropped-fluidic-commands/96 "2019-05-22T21:02:27Z")
Currently running 3 eVOLVERs, one is dropping fluidic commands periodically. Chemostat commands to turn on pumps and turn off pumps. 5/16 vials have dropped at least 1 of the 24 commands that have been sent so far in thi… --- ## [DPU GUI lagging after python 3 update](https://www.evolver.bio/t/dpu-gui-lagging-after-python-3-update/86)
**Author:** [@cmancuso](https://www.evolver.bio/u/cmancuso)\ **Replies:** 7\ **Last updated:** [May 16, 2019, 4:11pm UTC](https://www.evolver.bio/t/dpu-gui-lagging-after-python-3-update/86 "2019-05-16T16:11:55Z")
The legacy DPU GUI (originating in main\_eVOLVER.py) seems a lot laggier since the switch to python 3, any ideas on how to improve this? The GUI is really just two buttons, so is there a different/reduced overhead way to … --- ## [Is there a way to space out two consecutive pump commands?](https://www.evolver.bio/t/is-there-a-way-to-space-out-two-consecutive-pump-commands/90)
**Author:** [@mgalardini](https://www.evolver.bio/u/mgalardini)\ **Replies:** 4\ **Last updated:** [May 3, 2019, 5:14pm UTC](https://www.evolver.bio/t/is-there-a-way-to-space-out-two-consecutive-pump-commands/90 "2019-05-03T17:14:47Z")
I am thinking of ways to implement a morbidostat-like mode; essentially there are two inputs to a vial, one regular media, and one regular media + drug. To avoid the efflux line sucking up the drug before it gets a chanc… --- ## [Temperature or LED Value don't get updated properly on Start-up](https://www.evolver.bio/t/temperature-or-led-value-dont-get-updated-properly-on-start-up/88)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 1\ **Last updated:** [May 2, 2019, 12:16am UTC](https://www.evolver.bio/t/temperature-or-led-value-dont-get-updated-properly-on-start-up/88 "2019-05-02T00:16:00Z")
@fkuzminov has been seeing this issue on occasion where it takes multiple tries in order for the initial settings to be properly updated to eVOLVER. I suspect that for whatever reason the server isn’t properly connected… --- ## [Measurement Frequency](https://www.evolver.bio/t/measurement-frequency/79)
**Author:** [@msimbirsky](https://www.evolver.bio/u/msimbirsky)\ **Replies:** 1\ **Last updated:** [April 25, 2019, 6:53pm UTC](https://www.evolver.bio/t/measurement-frequency/79 "2019-04-25T18:53:09Z")
Does anyone know the rate at which eVOLVERs take data measurements? From my data I computed it takes measurements about 375 times an hour but is that consistent across evolvers? --- ## [Monitoring rpi server](https://www.evolver.bio/t/monitoring-rpi-server/53)
**Author:** [@heinsz](https://www.evolver.bio/u/heinsz)\ **Replies:** 2\ **Last updated:** [April 20, 2019, 6:10pm UTC](https://www.evolver.bio/t/monitoring-rpi-server/53 "2019-04-20T18:10:32Z")
I’ve noticed that occasionally the server completely stop responding, disconnects all clients, and generates no more logs (see this post for an example of what this looks like). Checking in supervisorctl, the server stat… --- ## [Python implementation of mufit growth rate fitting algorithm](https://www.evolver.bio/t/python-implementation-of-mufit-growth-rate-fitting-algorithm/29)
**Author:** [@kiriakov](https://www.evolver.bio/u/kiriakov)\ **Replies:** 7\ **Last updated:** [April 4, 2019, 1:38am UTC](https://www.evolver.bio/t/python-implementation-of-mufit-growth-rate-fitting-algorithm/29 "2019-04-04T01:38:32Z")
eVOLVER measures optical density with good precision and at frequent intervals. Peter has build a block of code, mufit, to do a global exponential growth rate fit outputting growth rate and confidence intervals. However,… --- ## [Installing Python 3.6 for OSX](https://www.evolver.bio/t/installing-python-3-6-for-osx/49)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 0\ **Last updated:** [April 3, 2019, 5:02pm UTC](https://www.evolver.bio/t/installing-python-3-6-for-osx/49 "2019-04-03T17:02:33Z")
The new data processing unit (DPU), the program running on the lab computer controlling the experiment, requires Python 3.6 to run websockets. I’ve struggled a bunch with how to install the correct version so I’m just go… --- ## [Websockets (DPU \<-\> eVOLVER)](https://www.evolver.bio/t/websockets-dpu-evolver/48)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 0\ **Last updated:** [April 3, 2019, 4:42pm UTC](https://www.evolver.bio/t/websockets-dpu-evolver/48 "2019-04-03T16:42:33Z")
We’ve been developing an improved framework for communication between eVOLVER and the data processing unit (DPU), the scripts running on the lab computer that controls the experiment. Primarily, this involves switching … --- ## [Occasional issues connecting to eVOLVER](https://www.evolver.bio/t/occasional-issues-connecting-to-evolver/40)
**Author:** [@fkuzminov](https://www.evolver.bio/u/fkuzminov)\ **Replies:** 3\ **Last updated:** [April 3, 2019, 4:48pm UTC](https://www.evolver.bio/t/occasional-issues-connecting-to-evolver/40 "2019-04-03T16:48:44Z")
There are some occasional connectivity issues - the experiment is still running but every once in a while it’ll through an error or a warning at you --- ## [Pumps randomly diluting out the culture](https://www.evolver.bio/t/pumps-randomly-diluting-out-the-culture/41)
**Author:** [@fkuzminov](https://www.evolver.bio/u/fkuzminov)\ **Replies:** 6\ **Last updated:** [March 22, 2019, 4:05pm UTC](https://www.evolver.bio/t/pumps-randomly-diluting-out-the-culture/41 "2019-03-22T16:05:21Z")
Culture in vial 2 was diluted out - it is unclear what triggered the signal. EDIT 3/21/2019 The cause of the random dilution events was from the errors in socket communication causing reconnect events. This would cau… --- ## [Setting Different Temperatures Across Smart Sleeve Array](https://www.evolver.bio/t/setting-different-temperatures-across-smart-sleeve-array/38)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 3\ **Last updated:** [March 21, 2019, 4:10pm UTC](https://www.evolver.bio/t/setting-different-temperatures-across-smart-sleeve-array/38 "2019-03-21T16:10:49Z")
Question from User: eVOLVER wouldn’t adjust the temperature to 33C even when I changed it in custom\_script. I had to manually change it to set different temperatures. [Previous page](https://www.evolver.bio/c/software/8.md?page=1)