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Notes & Errata
Wireless Rain Alarm, Circuit Notebook, June 2016: the type number
for IC3, TL071, was left off the circuit diagram on page 84.
Combined Timer, Counter & Frequency Meter, Circuit Notebook,
June 2016: in the circuit on page
87, pins 23 and 24 of IC1 are shown
swapped. Also, the pot connected
to pin 27 should be labelled VR3,
not VR1.
Ask SILICON CHIP
. . . continued from page 103
like that should have been a standard
feature, given the cost of a replacement battery.
From what I have read, battery life
in the Civic Hybrid from this era is not
good. Luckily, the battery on this vehicle seems to be OK at the moment.
I would like to keep it that way. Yes,
it’s simpler just to start the car once a
month and run it at 2500 RPM until
the batteries are back up to full charge
but that’s far from ideal and it would
be easy to forget.
I did come across this item, which
may be suitable: www.ebay.com/
itm/2006-2011-Honda-Civic-Hybrid
-Standard-Grid-Charger-IMA-Battery
-Balancer-/351641475458 (P. H., via
email).
• We have no experience nor expertise on the Honda Civic Hybrid.
Designing a high-voltage charger for
this vehicle would be a challenge,
both in the actual power engineering
involved and sorting out the complex
safety interlocks which are bound to
be part of the vehicle.
It would seem that if your proposed
charger is going to be able to charge the
battery in a reasonable time, its power
rating will need to be very substantial,
possibly in the region of to 1-2kVA.
You might gain some insight by referring to the article we did on the Toyota
Prius in the February 2008 issue – see
www.siliconchip.com.au/Issue/2008/
February/How+To+Get+More+Than
+100MPG+From+A+Toyota+Prius
That article showed how to add an
extra Lithium battery to greatly increase its electric driving range and
effective fuel economy but whether
that is an economically viable proposition is open to debate.
Electronic fuse
wanted
Have you ever published a project
like an adjustable electronic circuit
breaker for automotive use (12V DC)?
Sometimes when trouble-shooting, I
reckon such a thing would come in
pretty handy. (M. K., via email).
• We haven’t published an electronic
fuse but it’s worth thinking about.
A 12V light bulb could be used as
a current limiter for some testing, especially if the current draw is not too
high. The lamp rating to use depends
on the current requirements of the circuit being tested. The lamp could be
wired across a blown fuse and plugged
SC
in as the test fuse.
Next Issue
The September 2016 issue is due
on sale in newsagents by Thursday
25th August. Expect postal delivery
of subscription copies in Australia
between August 25th and September 9th.
Advertising Index
Allan Warren Electronics............ 103
Altronics.................................. 76-79
Australian Exhibitions & Events.... 15
Digi-Key Electronics....................... 3
Digilent Inc................................... 27
Emona Instruments.................... IBC
Hare & Forbes.......................... OBC
High Profile Communications..... 103
Icom Australia.............................. 41
Jaycar .............................. IFC,49-56
Keith Rippon Kit Assembly ........ 103
LD Electronics............................ 103
LEDsales.................................... 103
Master Instruments........................ 5
Microchip Technology................... 11
Minitech Engineering................... 12
Mouser Electronics......................... 7
Ocean Controls.............................. 8
PCB Cart........................................ 9
Pinfold Health Services................ 13
Sesame Electronics................... 103
SC Radio & Hobbies DVD............ 91
SC Online Shop........................... 75
Silicon Chip Binders..................... 96
Silicon Chip Wallchart.................. 93
Silvertone Electronics.................. 13
Tronixlabs.............................. 14,103
WARNING!
SILICON CHIP magazine regularly describes projects which employ a mains power supply or produce high voltage. All such
projects should be considered dangerous or even lethal if not used safely.
Readers are warned that high voltage wiring should be carried out according to the instructions in the articles. When working on these projects use extreme care to ensure that you do not accidentally come into contact with mains AC voltages or
high voltage DC. If you are not confident about working with projects employing mains voltages or other high voltages, you
are advised not to attempt work on them. Silicon Chip Publications Pty Ltd disclaims any liability for damages should anyone
be killed or injured while working on a project or circuit described in any issue of SILICON CHIP magazine.
Devices or circuits described in SILICON CHIP may be covered by patents. SILICON CHIP disclaims any liability for the infringement of such patents by the manufacturing or selling of any such equipment. SILICON CHIP also disclaims any liability
for projects which are used in such a way as to infringe relevant government regulations and by-laws.
Advertisers are warned that they are responsible for the content of all advertisements and that they must conform to the
Competition & Consumer Act 2010 or as subsequently amended and to any governmental regulations which are applicable.
104 Silicon Chip
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