ArcadeMaxi

• internal code name: Glühbirnenglotze

• a big Arcade replica, based on ARCADEmini

• will be build on the CBC2004 by (almost) everybody in teamwork

mechanical data:

• 26 x 20 windows, 98.4 x 149.6 cm
• divisible into 4 parts, each with 13 x 10 windows, 49.2 x 74.8 cm
• window size 3.8 x 7.5 cm, 1 cm border between windows, 4mm border outside, 2.8 x 6.5 cm light area
• base is wooden board, into which holes for the bulbs are drilled
• aluminium foil on front surface of board as reflector and maybe positive pole
• light area out of sandwich paper behind a thin plexiglass pane

electrical data:

• one light bulb per window: 18 V 100 mA
• driven with Darlington arrays ULN2803
• storage of the current lamp states in latches (74HC573 oder 74HC574) to convert the matrix drive into a "real" PWM for each lamp
• power supply with homebuild mains adapter 20 V 40 A
  - transformer (15 V rms, 21 V maximum, 40 A)
  - rectifier (8 duo Schottky diods on heatsink)
  - electrolytic cpacitor aggregation (94 mF out of 20 times 4700 µF)
  

power supply unit	capacitors

• part list

• pictures from constitution: http://photo.astrastudio.de/v/cbc

• Arcade Maxi Video [10 MB] (June 2004)
• Arcade Maxi Video [06 MB] (December 2004)

-- StefanSchuermans & STephanKambor - 19 Dec 2004