Mozajk matrix display by hexatron

Last crawled date: 4 years, 11 months ago

Large dot matrix display character module with WS2812 1-LED PCB modules.
Modules
Power supply
Control unit
Character
modules of one size are designed to be mounted on the common frame
Layouts:
8x8 - graphics, large arrays
5x8 - text, row displays
5x7 - text, row displays
useful to save money as majority of characters use only 7 pixels on height
sizes
sizes named according to pixel size
18
designed for printing in pairs on Prusa i3 3D printer
pixel size 18 x 18 mm
module dimensions without brackets 180 x 120 x 46 mm
2X
designed for maximum utilization of printing area on Prusa i3 3D printer
Printed parts name guide
module_pixel size_pixel layout_module type_part name
Purchased parts
Fasteners
M3 30 mm hex button head black - ISO 7380
housing, frame connectors

M3 8 mm hex button head black - ISO 7380
bracket to housing, power supply housing

M3 5 mm hex button head black - ISO 7380
power supply module to housing

Wires
solid wires
0.5 mm2 - LED modules
CY 1.0 mm2 - columns
CY 1.5 mm2 - power banana connectors bridge

stranded wires
CYA 1.5 mm2 - LED matrix to power connector, chain cables
AWG-24 - LED matrix to bus connector (green-in yellow-out)

Connectors
4mm banana
red - power +
black - power -
green - signal IN
yellow - signal OUT

Power source module
MEAN WELL LRS-100-5
Frame
20 x 20 mm wooden or aluminium beam
Links
Info
Adafruit NeoPixel Überguide
WS2813 vs WS2812 - Shenzhen LED color optoelectronic
Hitachi HD44780 LCD controller
Inspiration
GreatScott! Make your own 10x10 LED Matrix