HardLabs

RowLow52HE

sam1dare-kbd·RowLow52HE·RowLow52HE/RowLow52HE.kicad_pcb

RowLow52HE PCB layout, top view — open source board by sam1dare-kbd

About the RowLow52HE PCB

RowLow52HE is an open source PCB design by sam1dare-kbd, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 242.3 × 104.1 mm, with 197 components from 19 distinct parts.

Other key parts include the TLV75733PDBV, USBLC6-2SC6, AT32F405RCT7 and XC6206P332MR-G. By type, the board carries 124 capacitors, 4 ICs, 4 resistors, 2 connectors, 2 switches and 1 crystal.

It belongs with the keyboards designs in this gallery.

From the project

RowLowHE52 is a 50% Hall-effect keyboard

RowLow52HE is a 50% Hall-effect keyboard based on the HE60 project.

RowLow52HEは、HE60プロジェクトをベースにして設計した50%の磁気キーボードです。

https://note.com/sam1dare/n/naa1372ecf801 (Japanese text only.)

This keyboard uses magnetic sensors and may become warm around the MCU during operation. If you notice abnormal heat generation or unexpected behavior, stop using the device and inspect it before further use.

RowLow52HE, from the project README
From the project README

Main components on the RowLow52HE

TLV75733PDBVUSBLC6-2SC6AT32F405RCT7XC6206P332MR-G

RowLow52HE bill of materials (BOM)

197 components, 19 distinct parts.

QtyPartRefs
1
TLV75733PDBV
U1
1
USBLC6-2SC6
U2
1
AT32F405RCT7
Artery Technology
U3
1
XC6206P332MR-G
U4
1
X322512MSB4SI
Y1
1
JST_SH
J1
1
TYPE-C-31-M-12
J2
7
SN74LV4051A
AM1, AM2, AM3, AM4, AM5, AM6, AM7
1
BSMD0805-050-24V
F1
52
MT9102ET
HE1, HE2, HE3, HE4, HE5, HE6, HE7, HE8 +44
2
TS-1187A-B-A-B
SW1, SW2
64
100n
C1, C3, C5, C7, C9, C11, C13, C15 +56
52
4.7n
C2, C4, C6, C8, C10, C12, C14, C16 +44
2
30p
C148, C149
4
2.2u
C150, C151, C156, C157
1
10u
C155
1
1u
C159
2
5.1k
R1, R2
2
12k
R3, R4

RowLow52HE design files

The KiCad project lives in the sam1dare-kbd/RowLow52HE repository on GitHub; these links point at the commit this page was built from.

RowLow52HE: common questions

How big is the RowLow52HE PCB?

The RowLow52HE measures 242.3 × 104.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the RowLow52HE?

197 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the RowLow52HE design files?

From the sam1dare-kbd/RowLow52HE repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the RowLow52HE design in my own project?

Yes, under the terms of its GPL-3.0 license, which sam1dare-kbd chose for the repository.

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