HardLabs

Coinmatrix battery

olell·CoinMatrix·hardware/coinmatrix_battery/coinmatrix_battery.kicad_pcb

Coinmatrix battery PCB layout, top view — open source board by olell

About the Coinmatrix battery PCB

Coinmatrix battery is an open source PCB design by olell, published on GitHub under the MIT license. It is a 2-layer board measuring 25.1 × 23 mm, with 12 components from 9 distinct parts.

Other key parts include the HAL1255 and LW5233. By type, the board carries 4 resistors, 3 capacitors, 2 ICs, 1 connector and 1 battery holder.

It belongs with the displays & leds and power & battery designs in this gallery.

From the project

CR2032 sized 8x8 pixel LED matrix driven by a CH32V003

CR2032 sized 8x8 pixel LED matrix driven by a CH32V003. This repo contains firmware and hardware design files.

to build to firmware binary and flash it simply run make inside the firmware directory.

To view the projects in your browser you can use KiCanvas: matrix board battery board * spacer

The firmware source code is licensed under MIT license, you can find a copy of the license text in the LICENSE file.

Coinmatrix battery, from the project README
From the project README

Main components on the Coinmatrix battery

HAL1255LW5233

Coinmatrix battery bill of materials (BOM)

12 components, 9 distinct parts.

QtyPartRefs
1
HAL1255
U101
1
LW5233
U102
1
USB_C_Plug
P101
1
Battery_Cell
BT101
1
VAL**
mouse-bite-2mm-slot
1
100nF
C101
2
1uF
C102, C103
3
5.1kΩ
R101, R103, R104
1
0
R102

Coinmatrix battery design files

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

Coinmatrix battery: common questions

How big is the Coinmatrix battery PCB?

The Coinmatrix battery measures 25.1 × 23 mm, has 2 copper layers and is 0.8 mm thick.

How many components are on the Coinmatrix battery?

12 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Coinmatrix battery design files?

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

Can I use the Coinmatrix battery design in my own project?

Yes, under the terms of its MIT license, which olell chose for the repository.

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