# Hardware **URL:** https://www.evolver.bio/c/hardware/7.md [Latest](https://www.evolver.bio/latest.md) · [Categories](https://www.evolver.bio/categories.md) --- ## [About the Hardware category](https://www.evolver.bio/t/about-the-hardware-category/17)
**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… --- ## [Where can I find the STL file for the magnet holder?](https://www.evolver.bio/t/where-can-i-find-the-stl-file-for-the-magnet-holder/623)
**Author:** [@JinHyeongKim](https://www.evolver.bio/u/JinHyeongKim)\ **Replies:** 1\ **Last updated:** [June 17, 2026, 2:55pm UTC](https://www.evolver.bio/t/where-can-i-find-the-stl-file-for-the-magnet-holder/623 "2026-06-17T14:55:25Z")
Hello, I am currently building an eVOLVER system and I’m looking for the STL file for the magnet holder used in the Smart Sleeve stirrer assembly. I checked the GitHub repositories and available 3D files, but I could n… --- ## [Pump 6 continuously pumping WITHOUT command](https://www.evolver.bio/t/pump-6-continuously-pumping-without-command/621)
**Author:** [@KevinDM](https://www.evolver.bio/u/KevinDM)\ **Replies:** 15\ **Last updated:** [June 2, 2026, 5:56pm UTC](https://www.evolver.bio/t/pump-6-continuously-pumping-without-command/621 "2026-06-02T17:56:22Z")
Hi all, Today I wanted to initiate an experiment, but somehow something went haywire. I started filling Tstats using the GUI as I always do to prep the machine (we run our own scripts using the terminal thereafter). Ho… --- ## [Exposure of eVOLVER to UV light in a BSC II](https://www.evolver.bio/t/exposure-of-evolver-to-uv-light-in-a-bsc-ii/622)
**Author:** [@KevinDM](https://www.evolver.bio/u/KevinDM)\ **Replies:** 0\ **Last updated:** [May 13, 2026, 5:52am UTC](https://www.evolver.bio/t/exposure-of-evolver-to-uv-light-in-a-bsc-ii/622 "2026-05-13T05:52:23Z")
Dear all, Is there anyone else who has their eVOLVER set up inside a biosafety cabinet? If so, do you turn on the UV lamp for (additional) decontamination after experiments? We have the black acrylic splash box that c… --- ## [Pumps not responding to commands (i.e. not turning on)](https://www.evolver.bio/t/pumps-not-responding-to-commands-i-e-not-turning-on/617)
**Author:** [@ptse1121](https://www.evolver.bio/u/ptse1121)\ **Replies:** 21\ **Last updated:** [March 4, 2026, 11:49pm UTC](https://www.evolver.bio/t/pumps-not-responding-to-commands-i-e-not-turning-on/617 "2026-03-04T23:49:49Z")
Hi all, I’m currently trying to set up an eVOLVER. I have been able to complete temperature and OD calibrations, but I cannot seem to get the pumps to respond to any commands. I have tried starting the pumps from the pu… --- ## [Particulates in media lines](https://www.evolver.bio/t/particulates-in-media-lines/615)
**Author:** [@elib](https://www.evolver.bio/u/elib)\ **Replies:** 8\ **Last updated:** [January 30, 2026, 7:03pm UTC](https://www.evolver.bio/t/particulates-in-media-lines/615 "2026-01-30T19:03:56Z")
Hello, I’ve had a persistent problem with small particles of unknown material being introduced into vials through the pump system, which interferes with OD readings and potentially contaminates our cultures. These partic… --- ## [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 … --- ## [How to fix the magnet to the fan](https://www.evolver.bio/t/how-to-fix-the-magnet-to-the-fan/606)
**Author:** [@JinHyeongKim](https://www.evolver.bio/u/JinHyeongKim)\ **Replies:** 1\ **Last updated:** [September 17, 2025, 2:33am UTC](https://www.evolver.bio/t/how-to-fix-the-magnet-to-the-fan/606 "2025-09-17T02:33:44Z")
Hello. I just want to fix the magnet on the fan, so can I fix it with a bond? There’s nothing much in the 3D data of Github. --- ## [Motherboard configuration and pwm, adc board configuration](https://www.evolver.bio/t/motherboard-configuration-and-pwm-adc-board-configuration/604)
**Author:** [@JinHyeongKim](https://www.evolver.bio/u/JinHyeongKim)\ **Replies:** 2\ **Last updated:** [September 8, 2025, 9:56am UTC](https://www.evolver.bio/t/motherboard-configuration-and-pwm-adc-board-configuration/604 "2025-09-08T09:56:22Z")
Hello. I want to experiment in Korea, so I can’t purchase the product, so I want to organize the experiment directly through open source. My question is, I would like to ask if it is possible to experiment with only 3… --- ## [Peristaltic Pumps Not Turning On](https://www.evolver.bio/t/peristaltic-pumps-not-turning-on/594)
**Author:** [@apemaraj](https://www.evolver.bio/u/apemaraj)\ **Replies:** 2\ **Last updated:** [September 4, 2025, 8:58pm UTC](https://www.evolver.bio/t/peristaltic-pumps-not-turning-on/594 "2025-09-04T20:58:35Z")
Hi all, I am working on getting an eVOLVER experiment set up and am having some trouble setting up the peristaltic pumps purchased from FynchBio. To my knowledge we purchased this eVOVLER a while ago, but have not yet u… --- ## [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… --- ## [Pump tubing replacement](https://www.evolver.bio/t/pump-tubing-replacement/585)
**Author:** [@elib](https://www.evolver.bio/u/elib)\ **Replies:** 1\ **Last updated:** [July 30, 2025, 3:28pm UTC](https://www.evolver.bio/t/pump-tubing-replacement/585 "2025-07-30T15:28:57Z")
Hello, the tubing on one of my pumps tore (see pic) and I’m wondering how to go about replacing. First, what are the specs on the tubing so I can order a replacement? Second, what is the best way to disassemble the pu… --- ## [Technical Drawing for Evolver Splash Shield](https://www.evolver.bio/t/technical-drawing-for-evolver-splash-shield/444)
**Author:** [@vhu9644](https://www.evolver.bio/u/vhu9644)\ **Replies:** 4\ **Last updated:** [July 30, 2025, 2:53pm UTC](https://www.evolver.bio/t/technical-drawing-for-evolver-splash-shield/444 "2025-07-30T14:53:48Z")
Hello, I wanted to make a sheet metal shield for the evolver that should block out nearby sources of electrical and IR noise, as well as serving as a splash shield. Are there technical drawings for the placement of the … --- ## [Temperature Stability issues](https://www.evolver.bio/t/temperature-stability-issues/597)
**Author:** [@elib](https://www.evolver.bio/u/elib)\ **Replies:** 5\ **Last updated:** [July 25, 2025, 12:57am UTC](https://www.evolver.bio/t/temperature-stability-issues/597 "2025-07-25T00:57:43Z")
Hello, I am having serious issues with temperature stability with my eVOLVER unit. During temperature calibration at room temperature per the wiki instructions, the water vials are not reaching an equilibrium temperature… --- ## [Biosafety cabinet Class A2 for eVOLVER](https://www.evolver.bio/t/biosafety-cabinet-class-a2-for-evolver/595)
**Author:** [@KevinDM](https://www.evolver.bio/u/KevinDM)\ **Replies:** 1\ **Last updated:** [July 17, 2025, 3:22pm UTC](https://www.evolver.bio/t/biosafety-cabinet-class-a2-for-evolver/595 "2025-07-17T15:22:57Z")
Dear all, Anyone who has placed their eVOLVER inside a BSC class A2? I am sourcing for providers that deliver BSC’s that have a larger working depth than 60 cm: I would want to place the vial platform inside such that … --- ## [Pump setup using 8 + 8 vials](https://www.evolver.bio/t/pump-setup-using-8-8-vials/588)
**Author:** [@KevinDM](https://www.evolver.bio/u/KevinDM)\ **Replies:** 5\ **Last updated:** [July 9, 2025, 6:00pm UTC](https://www.evolver.bio/t/pump-setup-using-8-8-vials/588 "2025-07-09T18:00:58Z")
Dear eVOLVER community, Is the setup as shown in the picture possible? Can you separately control half of 1 pump rack and use one half for influx and the other for efflux? Or should I use all three pump racks and only u… --- ## [Power Supply EU countries](https://www.evolver.bio/t/power-supply-eu-countries/343)
**Author:** [@okanaris](https://www.evolver.bio/u/okanaris)\ **Replies:** 7\ **Last updated:** [July 8, 2025, 2:35pm UTC](https://www.evolver.bio/t/power-supply-eu-countries/343 "2025-07-08T14:35:14Z")
Hello, I am based in Germany where the power supply voltage is 230V. Can I use the vial Platform and the fluidic box directly with this power supply or do I need a voltage converter? Thank you --- ## [Where is the RS485 board?](https://www.evolver.bio/t/where-is-the-rs485-board/578)
**Author:** [@JinHyeongKim](https://www.evolver.bio/u/JinHyeongKim)\ **Replies:** 3\ **Last updated:** [June 24, 2025, 1:07am UTC](https://www.evolver.bio/t/where-is-the-rs485-board/578 "2025-06-24T01:07:26Z")
I’m trying to find more information about the board shown in that part of the picture. I came across a forum post suggesting that this information used to be available on the FYNCHBIO website, but it seems the page i… --- ## [Peristaltic Pump spec](https://www.evolver.bio/t/peristaltic-pump-spec/582)
**Author:** [@JinHyeongKim](https://www.evolver.bio/u/JinHyeongKim)\ **Replies:** 0\ **Last updated:** [June 24, 2025, 1:06am UTC](https://www.evolver.bio/t/peristaltic-pump-spec/582 "2025-06-24T01:06:17Z")
Hi I’m building an eVOLVER system from the open-source documentation and need advice on the key specifications for suitable low-flow peristaltic pumps (target flow rate ≈ 1 mL/min). --- ## [Protecting the smart sleeves](https://www.evolver.bio/t/protecting-the-smart-sleeves/145)
**Author:** [@dcoudreuse](https://www.evolver.bio/u/dcoudreuse)\ **Replies:** 5\ **Last updated:** [April 1, 2025, 5:22pm UTC](https://www.evolver.bio/t/protecting-the-smart-sleeves/145 "2025-04-01T17:22:44Z")
Hi Brandon and team, I would be great if you could post the designs of the fan spacers as well as that for laser cutting a protection over the full set of smart sleeves ! Thanks ! Damien --- ## [PWM (Tlc5940) values are not linear and saturate midrange](https://www.evolver.bio/t/pwm-tlc5940-values-are-not-linear-and-saturate-midrange/345)
**Author:** [@Nate\_Borders](https://www.evolver.bio/u/Nate_Borders)\ **Replies:** 9\ **Last updated:** [December 16, 2024, 10:10pm UTC](https://www.evolver.bio/t/pwm-tlc5940-values-are-not-linear-and-saturate-midrange/345 "2024-12-16T22:10:02Z")
PWM Val 0 250 500 750 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2020 2040 2041 2042 2043 2044 2045 2050 2100 4095 Voltage 12 11.86 11.33 10.58 9.27 8.84 8.26 7.67 7.09 6.51 5.92 5.35 4.79 4.21 3.7 3.… --- ## [Vial Cap threads](https://www.evolver.bio/t/vial-cap-threads/535)
**Author:** [@antonio.volpini](https://www.evolver.bio/u/antonio.volpini)\ **Replies:** 1\ **Last updated:** [September 11, 2024, 3:31pm UTC](https://www.evolver.bio/t/vial-cap-threads/535 "2024-09-11T15:31:58Z")
Hi, are any details about the Vial Cap thread size/pitch available? When I 3D print the vial the threads are a bit rough due to supports and I would like to get a tap I can use to clean them out for a better fit. --- ## [Peristalitic pump specs](https://www.evolver.bio/t/peristalitic-pump-specs/506)
**Author:** [@Raghu](https://www.evolver.bio/u/Raghu)\ **Replies:** 0\ **Last updated:** [January 23, 2024, 8:37am UTC](https://www.evolver.bio/t/peristalitic-pump-specs/506 "2024-01-23T08:37:17Z")
Hi! We’re trying to setup eVOLVER from scratch since Fynch doesn’t ship to us in South Korea. The peristaltic pumps are our main concern since we aren’t able to find slow flow rate pumps anywhere locally(flow rate ~1mL… --- ## [How could i make a millifluidic system with multiplexer?](https://www.evolver.bio/t/how-could-i-make-a-millifluidic-system-with-multiplexer/500)
**Author:** [@David-Han](https://www.evolver.bio/u/David-Han)\ **Replies:** 3\ **Last updated:** [December 30, 2023, 7:36pm UTC](https://www.evolver.bio/t/how-could-i-make-a-millifluidic-system-with-multiplexer/500 "2023-12-30T19:36:14Z")
Hi guys, I have some questions about how to make a microfluidic device, if you can answer me, I would be very grateful! Through reading publication and forums, I have a simple understanding of how to make microfluidic… --- ## [Any Information about Millifluidic Decvices?](https://www.evolver.bio/t/any-information-about-millifluidic-decvices/271)
**Author:** [@sunachi](https://www.evolver.bio/u/sunachi)\ **Replies:** 4\ **Last updated:** [December 30, 2023, 7:35pm UTC](https://www.evolver.bio/t/any-information-about-millifluidic-decvices/271 "2023-12-30T19:35:57Z")
Hi guys! I am sunachi, undergraduate student, and trying to make the eVOLVER form scratch. A few questions about millifluidic device. Is there any detail about CAD design for laser cutting? I want to know the depth … --- ## [Slow flow rate minimum bolus](https://www.evolver.bio/t/slow-flow-rate-minimum-bolus/498)
**Author:** [@Nate\_Borders](https://www.evolver.bio/u/Nate_Borders)\ **Replies:** 0\ **Last updated:** [December 1, 2023, 6:41pm UTC](https://www.evolver.bio/t/slow-flow-rate-minimum-bolus/498 "2023-12-01T18:41:15Z")
Before I go do these experiments myself: Has anyone experimented with the minimum bolus of the slow flow rate (pink) pumps? @heinsz @cbjo maybe? Is 100uL the minimum or can we go lower? --- ## [Is tube inside the Pump autoclavable?](https://www.evolver.bio/t/is-tube-inside-the-pump-autoclavable/484)
**Author:** [@sunachi](https://www.evolver.bio/u/sunachi)\ **Replies:** 5\ **Last updated:** [November 3, 2023, 7:17pm UTC](https://www.evolver.bio/t/is-tube-inside-the-pump-autoclavable/484 "2023-11-03T19:17:00Z")
Hi there! I got an eVOLVER system before and trying to sterilize them. Is the tube inside the Pump autoclavable? Thanks! Junya --- ## [OD LED Power Level vs resistor packs](https://www.evolver.bio/t/od-led-power-level-vs-resistor-packs/87)
**Author:** [@cmancuso](https://www.evolver.bio/u/cmancuso)\ **Replies:** 22\ **Last updated:** [July 10, 2023, 5:24pm UTC](https://www.evolver.bio/t/od-led-power-level-vs-resistor-packs/87 "2023-07-10T17:24:03Z")
Swapping out the resistor packs on the ADC board used to measure OD allows you to tune the range of measurable ODs and the amount of noise in the data. The choice is evaluated by doing an OD calibration, to map eVOLVER s… --- ## [Why is the diode in this direction (PWM board)?](https://www.evolver.bio/t/why-is-the-diode-in-this-direction-pwm-board/465)
**Author:** [@sunachi](https://www.evolver.bio/u/sunachi)\ **Replies:** 2\ **Last updated:** [July 9, 2023, 5:35am UTC](https://www.evolver.bio/t/why-is-the-diode-in-this-direction-pwm-board/465 "2023-07-09T05:35:17Z")
Hi folks, Isn’t this diode (orange square below) upside down so that the current from the 24V voltage can go through the MOSFET? Or the current from the OUT\_0 will go to 24V?? Though this post is not directly related … [Next page](https://www.evolver.bio/c/hardware/7.md?page=1)