resistor colour help

The Experimenters Kit includes an "Eleven" Arduino-compatible board, plus a range of parts and a guide to make it easy to get started with Arduino projects. [Product Page]
Post Reply
biscuitbob
Posts: 5
Joined: Fri Jan 02, 2015 5:52 am

resistor colour help

Post by biscuitbob » Fri Jan 02, 2015 6:09 am

Hi all, just got the expkit, and (embarrassingly) I'm stuck at tutorial one.
The sketch calls for a 470 ohm resistor.
None of the supplied resistors seem to match the colour description provided in the booklet.

Booklet specifies :
yellow violet black black brown or yellow violet brown gold : 470
brow black black red brown or brown black orange gold : 10k

What I'm seeing in the kit is :
brown black black red gold : which I've identified as 10k
gold brown black black brown : unidentified
gold black black violet yellow : unidentified

So either I'm completely reading these wrong or the paint...
Any help appreciated.
Attachments
20150102_183755_sm.jpg

andrew
Freetronics Staff
Freetronics Staff
Posts: 978
Joined: Sun Jul 14, 2013 7:06 am
Location: Melbourne, Australia
Contact:

Re: resistor colour help

Post by andrew » Fri Jan 02, 2015 7:55 am

Hello
When reading resistor values, the gold/silver band is on the right-hand side.
http://www.freetronics.com.au/collectio ... wall-chart

So your "gold black black violet yellow" is "yellow violet black black gold" = 470 ohms, 5% tolerance. The "brown black black brown gold" are the 1k ohm 5% tolerance resistors.

If you're like me and mostly colourblind, (and even if you are not) I cannot recommend highly enough you purchase a multimeter. Even the $5 unit from Jaycar will save you a lot of frustration.
cheers
John

biscuitbob
Posts: 5
Joined: Fri Jan 02, 2015 5:52 am

Re: resistor colour help

Post by biscuitbob » Fri Jan 02, 2015 9:13 am

Holy crap, I started getting that hunch as the colours started making sense more that way.
Although I seemed to read somewhere that the way to read these colours is the 'lonely colour' i.e. the one after the gap is always at the end.

Thanks for the multimeter tip, I almost bought one today with the kit, but I decided against it... thinking I'll get it when I get to some more 'advanced' projects, hilarious how tutorial number 1 was the advanced one for me :)

Thanks again.

andrew
Freetronics Staff
Freetronics Staff
Posts: 978
Joined: Sun Jul 14, 2013 7:06 am
Location: Melbourne, Australia
Contact:

Re: resistor colour help

Post by andrew » Fri Jan 02, 2015 11:42 pm

biscuitbob wrote:Holy crap, I started getting that hunch as the colours started making sense more that way.
Although I seemed to read somewhere that the way to read these colours is the 'lonely colour' i.e. the one after the gap is always at the end.

Thanks for the multimeter tip, I almost bought one today with the kit, but I decided against it... thinking I'll get it when I get to some more 'advanced' projects, hilarious how tutorial number 1 was the advanced one for me :)

Thanks again.
You're welcome. Have fun and if you have any more questions let us know.
cheers
John

Post Reply

Who is online

Users browsing this forum: No registered users and 1 guest