TubePinchValve
kcsmith-uiuc·TubePinchValve
About the TubePinchValve PCB
TubePinchValve is an open source AVR/Arduino PCB design by kcsmith-uiuc, published on GitHub. It is a 2-layer board measuring 65 × 95 mm, with 6 components from 6 distinct parts.
Its main chip is the Arduino_UNO_R3, from the AVR/Arduino family. Other key parts include the Switch, Servo Connection Block and SPST. By type, the board carries 3 ICs, 1 module and 1 connector.
It belongs with the robotics & motion designs in this gallery.
From the project
Software and Build Files for the Smith Lab @ UIUC's Low-Volume, Fluid-Switching Device
[1] Reale, E. R., Regenwetter, L., Agrawal, A., Dardón, B., Dicola, N., Sanagala, S., & Smith, K. C. (2021). Low porosity, high areal-capacity Prussian blue analogue electrodes enhance salt removal and thermodynamic efficiency in symmetric Faradaic deionization with automated fluid control. Water Research X, 13, 100116.
[2] Do, V. Q., Reale, E. R., Loud, I. C., Rozzi, P. G., Tan, H., Willis, D. A., & Smith, K. C. (2023). Embedded, micro-interdigitated flow fields in high areal-loading intercalation electrodes towards seawater desalination and beyond. Energy & Environmental Science, 16(7)…

Main components on the TubePinchValve
TubePinchValve bill of materials (BOM)
6 components, 6 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Switch | Switch | U1 |
| 1 | Servo Connection Block | Servo Connection Block | U2 |
| 1 | SPST | RELAY6_J1021CS312VDC.20_CRS | U4 |
| 1 | Arduino_UNO_R3 | Arduino_UNO_R3 | A1 |
| 1 | PJ-202B | barrel_jack | J1 |
| 1 | ~ | Potentiometer | Potentiostat1 |
TubePinchValve design files
The KiCad project lives in the kcsmith-uiuc/TubePinchValve repository on GitHub; these links point at the commit this page was built from.
TubePinchValve: common questions
What microcontroller does the TubePinchValve use?
The TubePinchValve is built around the Arduino_UNO_R3, from the AVR/Arduino family.
How big is the TubePinchValve PCB?
The TubePinchValve measures 65 × 95 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the TubePinchValve?
6 components, from 6 distinct parts. The full bill of materials is listed on this page.
Where can I download the TubePinchValve design files?
From the kcsmith-uiuc/TubePinchValve repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the TubePinchValve design in my own project?
The repository has no license, so all rights stay with kcsmith-uiuc. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the TubePinchValve without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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