LPT/DMX Interface
480 DMX channels via the parallel port
Materials
Gerber file
CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.
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Component list
R1,R3,R4 = 4kOhm 7
R2 = 100kOhm
R5,R6 = 1kOhm 5
Capacitors:
C1, C2 = 33pF
C3 = 1µ F 16V radial
C4,C5,C6 = 47nF
C7 = 10µ F 16V radial
Semiconductors:
D1 = 1N4148
D2 = LED, red, high efficiency
D3 = LED, yellow, high efficiency
IC1 = AT90S8515-8PC, programmed, order code 010212-41
IC2 = 74HCT00
IC3 = LTC490 CN8 (Linear Technology)
Miscellaneous:
K1 =DB25 plug (male), PCB mount, angled pins
K2 = 10-way boxheader
K3,K4,K5 = 3-way SIL pinheader
K6 = 6-way mini-DIN socket, PCB mount
K7 = 6-way SIL pinheader
X1 = 8MHz quartz crystal
PCB, order code 010212-1
Disk, source code and programs, order code 010212-11 or free download
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