- on Home & Garden
- Published in issue 3/2007 on page 0
Scale Deposit Fighter
MINI PROJECT - a simple water softener
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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,R2 = 1k?
C1 = 220nF
C2,C4 = 47µF 25V
C3,C5,C6 = 100nF
IC1 = 4049
IC2 = 78L09
K1 = 2-way PCB terminal block, lead pitch 5mm
K2 = DC adapter socket
PCB, ref. 070001-1, from ThePCBShop