# Smart Sleeve **URL:** https://www.evolver.bio/c/hardware/smart-sleeve/6.md [Latest](https://www.evolver.bio/latest.md) · [Categories](https://www.evolver.bio/categories.md) --- ## [About the Smart Sleeve category](https://www.evolver.bio/t/about-the-smart-sleeve-category/16)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 0
--- ## [Looking for Smart Sleeve Acrylic Plate Files (Parts #9, #10, #11)](https://www.evolver.bio/t/looking-for-smart-sleeve-acrylic-plate-files-parts-9-10-11/625)
**Author:** [@JinHyeongKim](https://www.evolver.bio/u/JinHyeongKim)\ **Replies:** 1\ **Last updated:** [June 25, 2026, 11:38pm UTC](https://www.evolver.bio/t/looking-for-smart-sleeve-acrylic-plate-files-parts-9-10-11/625 "2026-06-25T23:38:46Z")
Hello, I am currently building a Smart Sleeve and I am trying to identify the acrylic parts shown in the assembly guide (parts #9, #10, and #11). I have reviewed the Smart Sleeve build guide and searched through the Gi… --- ## [Corroded Ribbon Cable Port](https://www.evolver.bio/t/corroded-ribbon-cable-port/605)
**Author:** [@apemaraj](https://www.evolver.bio/u/apemaraj)\ **Replies:** 1\ **Last updated:** [September 17, 2025, 2:37am UTC](https://www.evolver.bio/t/corroded-ribbon-cable-port/605 "2025-09-17T02:37:14Z")
Hi all, Recently one of our eVOVLERs had a major leak resulting in fluid entering the ribbon cable ports for two vials. We have tested the smart sleeves and ribbon cables and found them to be working fine, but the port … --- ## [Building a Smart Sleeve for Continuous Culture (40 mL)](https://www.evolver.bio/t/building-a-smart-sleeve-for-continuous-culture-40-ml/30)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 5\ **Last updated:** [July 31, 2025, 2:15pm UTC](https://www.evolver.bio/t/building-a-smart-sleeve-for-continuous-culture-40-ml/30 "2025-07-31T14:15:55Z")
Background eVOLVER hardware is primarily divided between the Smart Sleeves and Motherboard. The Motherboard is where all the sensitive control hardware is, whereas the Smart Sleeve is nice modular way of integrating all… --- ## [Questions on Stir Rate](https://www.evolver.bio/t/questions-on-stir-rate/419)
**Author:** [@yqlan](https://www.evolver.bio/u/yqlan)\ **Replies:** 8\ **Last updated:** [November 8, 2022, 10:19pm UTC](https://www.evolver.bio/t/questions-on-stir-rate/419 "2022-11-08T22:19:48Z")
The stir rate can’t be adjusted on the setup page for all the sleeves except the assembled sleeve coming with the eVOLVER package (I think we should assemble the sleeves correctly). When I set the stir rate to different … --- ## [Replacing Photodiodes/ LED on Smart Sleeve](https://www.evolver.bio/t/replacing-photodiodes-led-on-smart-sleeve/155)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 7\ **Last updated:** [November 2, 2022, 8:49pm UTC](https://www.evolver.bio/t/replacing-photodiodes-led-on-smart-sleeve/155 "2022-11-02T20:49:33Z")
Goal In this tutorial, we are teach how to replace photodiodes and LEDs when the optical density traces don’t look ideal. Why? So why would the parts be variable? Well mainly because we are using inexpensive parts for e… --- ## [Abnormal curves problems replicates between sleeves after leak](https://www.evolver.bio/t/abnormal-curves-problems-replicates-between-sleeves-after-leak/380)
**Author:** [@Quentin](https://www.evolver.bio/u/Quentin)\ **Replies:** 7\ **Last updated:** [August 3, 2022, 3:01pm UTC](https://www.evolver.bio/t/abnormal-curves-problems-replicates-between-sleeves-after-leak/380 "2022-08-03T15:01:54Z")
Hi all, I am having an issue and I am wondering what you’d make of it. I had a leak in vial 8 which damage the fan. So I am running the machine without sleeve 8 plugged in the eVOLVER. The weird thing is that in my curr… --- ## [At lower culture volumes optical density readings are affected by stirring](https://www.evolver.bio/t/at-lower-culture-volumes-optical-density-readings-are-affected-by-stirring/367)
**Author:** [@Nate\_Borders](https://www.evolver.bio/u/Nate_Borders)\ **Replies:** 6\ **Last updated:** [May 24, 2022, 1:02pm UTC](https://www.evolver.bio/t/at-lower-culture-volumes-optical-density-readings-are-affected-by-stirring/367 "2022-05-24T13:02:44Z")
My eVOLVER OD Settings: PD angle = 90 degrees PD resistor pack = 500KOhm od\_led Setting = 4095 White vial sleeve and holder to increase signal So, disclaimer other settings may have less of an effect Experiment 37C … --- ## [Heating element not working](https://www.evolver.bio/t/heating-element-not-working/318)
**Author:** [@ericlyall](https://www.evolver.bio/u/ericlyall)\ **Replies:** 18\ **Last updated:** [April 28, 2022, 2:14pm UTC](https://www.evolver.bio/t/heating-element-not-working/318 "2022-04-28T14:14:43Z")
When I use the GUI to set a temperature, or even just turn on the eVOLVER, every smart sleeve heats up except for the sleeve in the top left corner location. The fan works, and I get temperature and OD readings. It’s jus… --- ## [How to design/build a vial board?](https://www.evolver.bio/t/how-to-design-build-a-vial-board/50)
**Author:** [@heinsz](https://www.evolver.bio/u/heinsz)\ **Replies:** 3\ **Last updated:** [February 17, 2022, 12:09pm UTC](https://www.evolver.bio/t/how-to-design-build-a-vial-board/50 "2022-02-17T12:09:24Z")
@bgwong made an excellent guide for putting together a smart sleeve, but it’s missing many of the details surrounding the vial board. Could you point to some resources that would be helpful for designing your own board a… --- ## [Preventing wobbling of the glass vial for better OD measurements](https://www.evolver.bio/t/preventing-wobbling-of-the-glass-vial-for-better-od-measurements/185)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 4\ **Last updated:** [January 27, 2021, 9:33pm UTC](https://www.evolver.bio/t/preventing-wobbling-of-the-glass-vial-for-better-od-measurements/185 "2021-01-27T21:33:17Z")
Summary I wanted to write a post on simple tricks to improve the OD reading. This mainly involves holding the vial into place with a 3D printed part. I will first walk you guys through what we’ve done in the past. First… --- ## [Reference IR diode](https://www.evolver.bio/t/reference-ir-diode/151)
**Author:** [@dcoudreuse](https://www.evolver.bio/u/dcoudreuse)\ **Replies:** 2\ **Last updated:** [October 8, 2019, 12:34pm UTC](https://www.evolver.bio/t/reference-ir-diode/151 "2019-10-08T12:34:22Z")
Hello, I was looking into purchasing some spare parts for our eVOLVER. The part number indicated for the IR diode is a digikey product (ref 475-2943-ND)…but this part is indicated as obsolete on the Digikey website. Do … --- ## [Stir bars jumping around](https://www.evolver.bio/t/stir-bars-jumping-around/146)
**Author:** [@dcoudreuse](https://www.evolver.bio/u/dcoudreuse)\ **Replies:** 0\ **Last updated:** [September 27, 2019, 12:31pm UTC](https://www.evolver.bio/t/stir-bars-jumping-around/146 "2019-09-27T12:31:49Z")
Hi all, Just a tip…when setting up our eVOLVER, we noticed that the stir bars were jumping around very easily. Initially we thought it could be the result of old stir bars autoclaved too many times…but in fact, we found… --- ## [Vial overflow and it's effects on the smart sleeve](https://www.evolver.bio/t/vial-overflow-and-its-effects-on-the-smart-sleeve/120)
**Author:** [@alexwest](https://www.evolver.bio/u/alexwest)\ **Replies:** 2\ **Last updated:** [July 25, 2019, 3:25pm UTC](https://www.evolver.bio/t/vial-overflow-and-its-effects-on-the-smart-sleeve/120 "2019-07-25T15:25:43Z")
I tried running an experiment a few days ago and had an issue with my vials overflowing. I wasn’t there to actually see it happening but I assume it happened because efflux outlet failed somehow. All of the pumps are sti… --- ## [Stir fan magnets can be dislodged](https://www.evolver.bio/t/stir-fan-magnets-can-be-dislodged/118)
**Author:** [@cmancuso](https://www.evolver.bio/u/cmancuso)\ **Replies:** 0\ **Last updated:** [July 22, 2019, 4:05pm UTC](https://www.evolver.bio/t/stir-fan-magnets-can-be-dislodged/118 "2019-07-22T16:05:36Z")
PSA for Wong et al / Khalil lab distribution era eVOLVER users. Fynchbio distribution era has a bracer to prevent this from happening. The 12V power was turned on for an eVOLVER without the 5V, causing all fans & pumps … --- ## [OD measurements with two photodiodes?](https://www.evolver.bio/t/od-measurements-with-two-photodiodes/99)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 13\ **Last updated:** [July 17, 2019, 5:20pm UTC](https://www.evolver.bio/t/od-measurements-with-two-photodiodes/99 "2019-07-17T17:20:53Z")
Summary I’m looking for some advice on how to properly do calibrations with two variables. Background I’m trying to integrate hardware configuration for OD measurements to improve the consistency and dynamic range of … --- ## [Colorblind-friendly labels](https://www.evolver.bio/t/colorblind-friendly-labels/65)
**Author:** [@cmancuso](https://www.evolver.bio/u/cmancuso)\ **Replies:** 1\ **Last updated:** [April 20, 2019, 6:09pm UTC](https://www.evolver.bio/t/colorblind-friendly-labels/65 "2019-04-20T18:09:13Z")
The coloring scheme is much better than alphanumeric labeling of the smartsleeves & lines, but isn’t very colorblind friendly. I’ve made a suggestion for improvements for red/green labeling (problematic for vials 2, 3 an… --- ## [Using Flexostat with eVOLVER Framework?](https://www.evolver.bio/t/using-flexostat-with-evolver-framework/47)
**Author:** [@bgwong](https://www.evolver.bio/u/bgwong)\ **Replies:** 5\ **Last updated:** [April 3, 2019, 4:13pm UTC](https://www.evolver.bio/t/using-flexostat-with-evolver-framework/47 "2019-04-03T16:13:14Z")
Gotten this questions a couple times and just wanted to start a thread on this: For folks interested in the flexostat or other existing systems, could they just plug them in to the eVOLVER motherboard?