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94 August 2008
I'm looking for information on
power line communication systems.
Does the US power grid broadcast any
information that can be read from the
power lines coming into my home? Are
there any projects that can tap that
Steven Van Epps
I need info on refurbishing or
building custom solar yard lights. I
currently have a Lighthouse lawn
ornament that has a solar light that
doesn't recharge the replaceable
rechargeable battery. Information on
troubleshooting would be helpful for
what I assume to be a fairly common
circut. I would also like to illuminate the
lantern of a Lawn Jockey and a Pagoda.
Adding multiple LEDs with changing
colors and blinking patterns could also
be a take off. Anyone have a circuit?
#8082 Mike Hoffert
[#5084 - May 2008]
I'm looking for an affordable (US)
PCB MFG who specializes in prototype
quantities (<100) of COB (chip on
board) from DIE that I provide. I need a
company who can lead-attach the DIE
and epoxy-seal it, forming a COB PCB.
#1 I found these companies online.
They offer prototype services among
IDAX microelectronics Lab
San Diego, CA
#2 I have had prototype and full
production PCBs made with the
company listed below, with excellent
personal service, board quality, and
pricing without any problems for over
25 years. They are directly associated
with several companies that will provide
your requests with great satisfaction.
Northern Circuits, Inc.
East Syracuse, NY
John F. Mastromoro
Saint Johnsville, NY
#3 Hybrid Design Associates www.
hda-smc.com/ in Tempe, AZ may be