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2 layers127 × 63.5 mmFeather valve driver, the printed circuit board in 3D

16 Channel Valve driver (designed for 12 volt Lee valves) using a Feather microcontroller

Size
127 × 63.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
78
Nets
61
Pads
225
Tracks, vias
436, 36
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
2 Aug 2022
Updated
2 Aug 2022

Overview

Feather valve driver is an open-source printed circuit board by cbs-ntcore, from the cbs-ntcore/feather_valve_driver repository on GitHub. It is a 2-layer board of 127 × 63.5 mm with 78 parts on 61 nets, routed with 436 tracks and 36 vias.

Its parts include 32 resistors, 16 diodes, 16 transistors, 7 connectors and 2 capacitors. It belongs with the audio and music and microcontroller boards boards of this library.

README

README.md

Feather compatible 16 channel valve driver.

This was designed for 12 volt Lee valves.

PCB 3D render

See errata for current minor electronic issues.

A simple 3d printed baseplate is included that supports the Lee valves:

Baseplate 3D render

Parts

78
QtyValueFootprintReferences
16100Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR1, R3, R5, R7, R9, R11, R13, R15, R17, R19, R21, R23, R25, R27, R29, R31
1610kResistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolderR2, R4, R6, R8, R10, R12, R14, R16, R18, R20, R22, R24, R26, R28, R30, R32
16DDiode_SMD:D_SMA_HandsolderingD1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16
16Q_NMOS_GSDPackage_TO_SOT_SMD:SOT-23_HandsolderingQ1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16
4MountingHoleMountingHole:MountingHole_3.2mm_M3H1, H2, H3, H4
2CPCapacitor_THT:CP_Radial_D5.0mm_P2.00mmC1, C2
2Conn_01x16TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-16-5.08_1x16_P5.08mm_HorizontalJ1, J2
1Conn_01x02TerminalBlock_TE-Connectivity:TerminalBlock_TE_282834-2_1x02_P2.54mm_HorizontalJ17
1Conn_01x12Connector_PinHeader_2.54mm:PinHeader_1x12_P2.54mm_VerticalJ19
1Conn_01x16Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_VerticalJ18
1EXTRAConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ21
1FiducialFiducial:Fiducial_1.5mm_Mask3mmFID1
1QWIICConnector_JST:JST_SH_BM04B-SRSS-TB_1x04-1MP_P1.00mm_VerticalJ20

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Questions

How big is the Feather valve driver PCB?

It measures 127 × 63.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Feather valve driver use?

78 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Feather valve driver KiCad files?

From the cbs-ntcore/feather_valve_driver repository on GitHub, at the commit this page was made from: the board is electronics/feather_valve_driver/feather_valve_driver.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Feather valve driver design in my own project?

Its repository states no licence, so its author keeps all rights: ask cbs-ntcore before reusing the design.