- on Microcontrollers
- Published in issue 7/2005 on page 0
Slave Flash with Red-Eye Delay
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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, R3 = 100k
R2 = 100?
R4, R5 = 220k
R6 = 1k
C1, C3 = 10µF 16 V radial
C2, C4 = 100nF
C5 = 47nF
D1 = TLRH180P (Farnell # 352-5451)
D2, D3 = BAT85
IC1 = 4538P
IC2 = MOC3020
T1 = BC547B
Bt1 = two 1.5V batteries (LR44) with PCB mount holder
S1 = 3-position slide switch
PCB, ref. 040070-1 from The PCBShop
Cable or adaptor for external flasher