- on Home & Garden
- Published in issue 1/2003 on page 0
Electronic RPG Dice Roller
for Role Playing Games
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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.
R1,R7 = 47k?
R2-R6 = 470?
R8 = 470? 1W (see text)
P1 = 10k? preset
C1,C2 = 15pF
C3-C6 = 100nF
C7,C8 = 100µF 16V
D1,D2,D3 = 1N4001
IC1 = AT90S4433-8PC, programmed, order code 020005-41
IC2 = 78L05
BT1 = 9V battery
BZ1 = DC buzzer, 5V
K1 = 10-way boxheader
K2 = mains adaptor socket, PCB mount
K3 = 16-way boxheader
S1-S4 = pushbutton, 1 make contact, PCB mount
X1 = 7.3728MHz quartz crystal
LCD module, 2 x 16 characters, preferably with backlight, e.g., PC1602D, LM052L, LM016
Optional: 9-13 VDC 300mA mains adaptor (a.k.a. battery eliminator)
PCB: order code 020005-1
Disk, project source code file, order code 020005-11 (also Free Download)