- on Home & Garden
- Published in issue 1/2013 on page 32
Handy for in the bathroom
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.
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.
R1,R2,R3 = 220kOhm
R4 = 1kOhm
P1 = 100kOhm trimpot, horizontal
C1,C2,C4,C5 = 100nF
C3,C7 = 1000µF 16V radial
C6 = 3.3nF
B1 = B40C1500 bridge rectifier
IC1 = 78L05
IC2 = NE556
IC3 = S101S06V (Sharp) solid-state relay
Tr1 = AC power transformer, PCB mount, sec. 2 x 6V, 350mW (Block type AVB 0,35/2/6)
K1, K2 = 2-way PCB terminal block, lead pitch 7.5mm
K3 = 2-pin pinheader for sensor connection
Sensor: Hygrosens type SHS A2 (Octopart.com)
PCB # 120463-1