HardLabs

.watch

silardg·.watch

.watch PCB layout, top view — open source board by silardg

About the .watch PCB

.watch is an open source PCB design by silardg, published on GitHub. It is a 2-layer board measuring 23.9 × 19.8 mm, with 28 components from 18 distinct parts.

Other key parts include the TP4056, E73-2G4M04S1D, MPU-6050 and LD3985M33R. By type, the board carries 9 capacitors, 8 resistors, 4 ICs, 4 connectors, 1 transistor and 1 switch.

It belongs with the wearables, power & battery and sensors designs in this gallery.

From the project

PCB for a small watch

.watch, from the project README
From the project README

Main components on the .watch

TP4056E73-2G4M04S1DMPU-6050LD3985M33R

.watch bill of materials (BOM)

28 components, 18 distinct parts.

QtyPartRefs
1
TP4056
IC1
1
E73-2G4M04S1D
U1
1
MPU-6050
U2
1
LD3985M33R
U3
1
2N7002
Q1
1
USB_B_Micro
J1
1
BAT
J2
1
VIB_MTR
J3
1
SERIAL
J4
1
PCM12
SW1
1
SK14A-SS14A
D1
2
10uF
C1, C2
1
4.7uF
C3
4
0.1uF
C4, C5, C7, C9
1
10uF
C6
1
2.2uF
C8
4
10K
R1, R2, R6, R7
4
4K7
R3, R4, R5, R8

.watch design files

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

.watch: common questions

How big is the .watch PCB?

The .watch measures 23.9 × 19.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the .watch?

28 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the .watch design files?

From the silardg/.watch repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the .watch design in my own project?

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

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