HardLabs

4x8x8-LED-Matrix-Clock-KLP5e

futureshocked·KLP-5e-Vol2-Projects·ch07-project/led-matrix-final/4x8x8-LED-Matrix-Clock-KLP5e.kicad_pcb

4x8x8-LED-Matrix-Clock-KLP5e PCB layout, top view — open source AVR/Arduino board by futureshocked

About the 4x8x8-LED-Matrix-Clock-KLP5e PCB

4x8x8-LED-Matrix-Clock-KLP5e is an open source AVR/Arduino PCB design by futureshocked, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 50 mm, with 32 components from 24 distinct parts.

Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. Other key parts include the DRV8833PWPR and MAX7219CWG+. By type, the board carries 10 resistors, 8 capacitors, 4 ICs, 4 LEDs, 3 switches and 1 module.

It belongs with the robotics & motion and displays & leds designs in this gallery.

From the project

KiCad Like a Pro, 5th Edition, Volume 2: finished KiCad projects and saved stages (custom parts, LED matrix, DRV8833 motor drivers)

The canonical, self-contained KiCad project for Volume 2, Chapter 7. This is the version the chapter's correctness claims are checked against, and the one to hand to a reader.

Everything it needs is inside this directory. There are no absolute paths and no references to anything outside it: the library tables and the two custom 3D model entries all resolve through ${KIPRJMOD}, and the stock footprints take their models from ${KICAD103DMODELDIR} as usual. Open 4x8x8-LED-Matrix-Clock-KLP5e.kicadpro` and both editors should come up complete.

Main components on the 4x8x8-LED-Matrix-Clock-KLP5e

DRV8833PWPRMAX7219CWG+Arduino_Nano_v3.x

4x8x8-LED-Matrix-Clock-KLP5e bill of materials (BOM)

32 components, 24 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
DRV8833PWPR
MAX7219CWG+
Texas Instruments
U1, U2
2
MAX7219CWG+
U3, U4
1
Arduino_Nano_v3.x
A1
1
SUD45P03-09-GE3
AO3401A
Vishay
Q1
1
1715721
USB_C_Receptacle_PowerOnly_6P
Phoenix Contact
J1
1
SW_SPDT
SW1
2
SW_Push
SW2, SW3
4
TA08-81GWA
DS1, DS2, DS3, DS4
1
EEU-FR1E101
100n
Panasonic
C1
1
GRM21BR61E106KA73L
10u
Murata
C2
1
0603YC103JAT2A
100n
KYOCERA AVX
C3
1
EMK107BB7225KA-T
10u
Taiyo Yuden
C4
1
GRM21BR61E106KA73L
100n
Murata
C5
1
0603YC103JAT2A
10u
KYOCERA AVX
C6
1
EMK107BB7225KA-T
100n
Taiyo Yuden
C7
1
10u
C8
1
RC0603FR-0710KL
10k
Yageo
R1
3
CSR1206FKR200
10k
Stackpole Electronics
R2, R3, R6
1
RC0603FR-07100KL
10k
Yageo
R4
1
RC0603FR-071KL
10k
Yageo
R5
Show 4 more
QtyPartRefs
1
CSR1206FKR200
5.1k
Stackpole Electronics
R7
1
5.1k
R8
1
100k
R9
1
10k
R10

4x8x8-LED-Matrix-Clock-KLP5e design files

The KiCad project lives in the futureshocked/KLP-5e-Vol2-Projects repository on GitHub; these links point at the commit this page was built from.

4x8x8-LED-Matrix-Clock-KLP5e: common questions

What microcontroller does the 4x8x8-LED-Matrix-Clock-KLP5e use?

The 4x8x8-LED-Matrix-Clock-KLP5e is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.

How big is the 4x8x8-LED-Matrix-Clock-KLP5e PCB?

The 4x8x8-LED-Matrix-Clock-KLP5e measures 100 × 50 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 4x8x8-LED-Matrix-Clock-KLP5e?

32 components, from 24 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 4x8x8-LED-Matrix-Clock-KLP5e design files?

From the futureshocked/KLP-5e-Vol2-Projects 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 4x8x8-LED-Matrix-Clock-KLP5e design in my own project?

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

Can I test firmware for the 4x8x8-LED-Matrix-Clock-KLP5e without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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