HardLabs

Lowd70

Chaejunhee·lowd70·lowd70/lowd75/lowd75.kicad_pcb

Lowd70 PCB layout, top view — open source board by Chaejunhee

About the Lowd70 PCB

Lowd70 is an open source PCB design by Chaejunhee, published on GitHub. It is a 2-layer board measuring 365 × 89 mm, with 155 components from 8 distinct parts.

By type, the board carries 75 diodes, 74 switches, 3 connectors, 1 transistor and 1 resistor.

It belongs with the keyboards designs in this gallery.

From the project

lowprofile mechanical keyboard

Lowd70, from the project README
From the project README

Lowd70 bill of materials (BOM)

155 components, 8 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TIP120
Q1
2
Conn_01x20_Socket
J1, J2
1
Conn_01x02_Socket
J3
74
choc_v1_SW_solder
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +66
1
RotaryEncoder
encoder1
74
1N4148W
D1, D2, D3, D4, D5, D6, D7, D8 +66
1
1N4004
D75
1
1k
R1

Lowd70 design files

The KiCad project lives in the Chaejunhee/lowd70 repository on GitHub; these links point at the commit this page was built from.

Lowd70: common questions

How big is the Lowd70 PCB?

The Lowd70 measures 365 × 89 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Lowd70?

155 components, from 8 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Lowd70 design files?

From the Chaejunhee/lowd70 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Lowd70 design in my own project?

The repository has no license, so all rights stay with Chaejunhee. Use it as a reference, and ask the author before reusing the design.

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