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Solenoid driver

BASLQC·xwhatits-capsense-controller·schem/solenoid-driver.kicad_pcb

Solenoid driver PCB layout, top view — open source board by BASLQC
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About the Solenoid driver PCB

Solenoid driver is an open source PCB design by BASLQC, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 45.3 × 21.3 mm, with 21 components from 16 distinct parts.

Other key parts include the MIC2009A-1, ULN2003 and MIC2250-2. By type, the board carries 6 capacitors, 6 resistors, 3 ICs, 3 connectors, 2 diodes and 1 inductor.

It belongs with the keyboards designs in this gallery.

From the project

A GPLv3 Keyboard Controller created by xwhatit from Geekhack for IBM Model F and Beamspring capacitive keyboards. Archived by the BASLQC on Github.

Xwhatit at Geekhack has developed a set of USB controllers for the IBM capacitive keyboards (Model F and Beamspring). These allow keyboards that otherwise have no way to hook them up to a modern PC to be used (Beamsprings), offer an alternative to Soarer's excellent converter (standard Model Fs), and also an alternative to the other intriguing capsense project around, the DPH controller. It allows the potential to go a bit further than just a converter if you're trying to do something a bit unusual—like build your own keyboard using old Model F bits, add extra keys that the original…

Main components on the Solenoid driver

MIC2009A-1ULN2003MIC2250-2

Solenoid driver bill of materials (BOM)

21 components, 16 distinct parts.

QtyPartRefs
1
MIC2009A-1
U1
1
ULN2003
U2
1
MIC2250-2
U3
1
CONN_3X2
P1
1
CONN_2
P3
1
Chassis GND
P4
1
B220A
D1
1
Actuating
D2
1
22uH
L1
1
1uF
C1
2
0.1uF
C2, C4
2
22uF
C3, C5
1
220uF
C6
2
470
R1, R3
3
100K
R2, R4, R6
1
16K
R5

Solenoid driver design files

The KiCad project lives in the BASLQC/xwhatits-capsense-controller repository on GitHub; these links point at the commit this page was built from.

Solenoid driver: common questions

How big is the Solenoid driver PCB?

The Solenoid driver measures 45.3 × 21.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Solenoid driver?

21 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the Solenoid driver design files?

From the BASLQC/xwhatits-capsense-controller repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Solenoid driver design in my own project?

Yes, under the terms of its GPL-3.0 license, which BASLQC chose for the repository.

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