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Intelligent Cuelight System for Theaters

Act III,Sc. II: Storm still, Enter Lear and Fool

Intelligent Cuelight System for Theaters
A cue light is a system of one or more electric light bulbs (usually traffic light colors) used to allow silent cues to be given to technicians and performers at various working locations during the running of a show or play. Typically, the Deputy Stage Manager sends signals to these cue lights at pre-arranged times. In this article we present a low cost microcontroller-driven version, hence “Intelligent”.
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor 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. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

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The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component List
Channel Board, no. 130321-1
R1,R8,R11,R18,R21,R24 = 47kOhm 5% 250mW
R2,R3,R4,R5,R7,R9,R12,R13,R14,R15,R17,R19,R20,R22,R23,R25,R26 = 10kOhm 5% 250mW
R6,R16 = 36Ohm 1% 250mW
R10 = 4.7kOhm 5% 250mW
C1,C4,C5 = 100nF 50V
C2 = 10µF 16V radial
C3 = 100µF 25V radial
D1,D2,D3,D4,D5,D6,D7,D8 = 1N4148
D9 = 1N4001
LED1 = low current, 5mm, green
LED2 = low current, 5mm, red
T1,T9 = BC557
T2,T3,T4,T5,T6,T7,T8,T10,T11,T12,T13,T14 = BC547B
IC1 = PIC12F629-I/P, programmed, Elektor Store # 130321-41 [3]
IC2 = 78L05
K1 = 3-pin XLR socket, PCB mount
K2 = 16-pin (2x8) boxheader, 0.1’’ pitch
K3 = 3-pin pinheader, 0.1’’ pitch
K4 = 2-pin pinheader, 0.1’’ pitch
K5 = 6-pin pinheader, 0.1’’ pitch
PCB # 130321-1 [3]
Component List
Slave Board, no. 130321-2
R1 = 47kOhm 5% 250mW
D1,D2 = 1N4148
LED1 = low current, 5mm, green
LED2 = low current, 5mm, red
K1 = 3-pin XLR plug, PCB mount
S1 = pushbutton
PCB # 130321-2

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