- on Home & Garden
- Published in issue 6/2003 on page 0
Lightning Intensity Detector
An indicator for extremely high voltages
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.
Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.
R1 = 10k?
R2,R4 = 10M?
R3 = 22k?
R5 = 2k?2
R6,R 7= 1k?
C1-C4 = 100nF
D1,D2 = LED, red, low-current
IC1,IC2 = 4093
IC3 = 78L05 (see text)
ANT = antenna, telescopic whip or 1 metre wire
K1 = 9V battery with clip-on leads
S1 = pushbutton, 1 make contact
PCB, available from The PCBShop