

Matrix display
A matrix LED WiFi clock.
- Size
- 96 × 26 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 77
- Pads
- 217
- Tracks, vias
- 919, 99
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 15 Oct 2020
- Updated
- 24 Mar 2021
Overview
Matrix display is an open-source printed circuit board by hack-apollo, from the hack-apollo/hack_clock repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 96 × 26 mm with 21 parts on 77 nets, routed with 919 tracks and 99 vias.
It is built around the MAX7219M. Its parts include 4 capacitors, 4 resistors, 4 ICs, 4 diodes and 1 connector. It belongs with the lEDs and displays and radio and wireless boards of this library.
Main components
1README
README.mdHACK LABS MatrixClock : https://www.youtube.com/watch?v=k0h2WS6Prsc&t=33s
Author: HACK实验室
YouTube ID: HACK实验室, welcome to subscribe https://www.youtube.com/c/HACK实验室
HACK_CLOCK is a free download and may be used, modified, evaluated and
distributed without charge provided the user adheres to version three of the GNU
General Public License (GPL) and does not remove the copyright notice or this
text. The GPL V3 text is available on the gnu.org web site
作者:HACK实验室
B站ID:HACK实验室 欢迎订阅 https://space.bilibili.com/395145107
微信公众号:HACK实验室,开源资料唯一发布点,定期分享开源硬件以及有价值的技术文章,欢迎关注.

Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1uF | NewLibCool:0603_C | C1, C2, C3, C4 |
| 4 | 10K | NewLibCool:0603_R | R1, R2, R3, R4 |
| 4 | MAX7219 | Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm | U1, U2, U3, U4 |
| 4 | Matrix_LED | NewLibCool:Matrix_LED | D1, D2, D3, D4 |
| 1 | Conn_01x05_Male | Connector_PinHeader_2.00mm:PinHeader_1x05_P2.00mm_Vertical | J1 |
The 17 most common of 21 parts.
Questions
How big is the Matrix display PCB?
It measures 96 × 26 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Matrix display use?
21 parts, built around the MAX7219M. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Matrix display KiCad files?
From the hack-apollo/hack_clock repository on GitHub, at the commit this page was made from: the board is hardware/matrix display_v2.1/matrix_display.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Matrix display design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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