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20 Jul 2010, 10:31
Maik Schmidt (120 posts)

Some readers asked for local parts suppliers and I think it’d be good to have a forum thread where readers can share their experiences.

I start with a list of German online shops: (they offer lots of stuff related to the Arduino and they have nearly all parts you need for the book’s projects including the PING sensor, a protoshield, the ethernet shield, and so on) (they offer nearly everything related to electronics, that is resistors, LEDs, and so on) (this is a German distributor of products).

The biggest problems you’ll probably have with the TMP36 sensor and the PNA4602 IR receiver. You can always order them from the US, but before look for them on eBay and also ask in your local electronics store. I have chosen the sensors carefully, but you won’t find any sensor that is easy to get in every country on this planet.

Hope this helps!

Cheers, Maik

15 Aug 2010, 21:35
David Shaw (1 post)

In the UK most of the parts can be obtained from either or (they offer different styles of proto shield - the one from oomlout is the same as the one from adafruit as recommended in the book).

The Parallax Ping can be obtained from or who also stock the PIR sensor (look under the Parallax Robotics link on the left).

The PIR sensor can also be obtained from

The PNA4602 infrared sensor is available from who also stock a selection of 940nm IR LEDs.

10 Feb 2011, 13:15
Paul Thomas (4 posts)

I’m in the UK

I bought from oomlout their starter kit is pretty good. However they mention piezo element, but provide a cased buzzer ( I think that is a slightly misleading as you might expect an uncased one).

I also bought from

I haven’t got the Parallax Ping ))) yet. I’m wondering if it might be better to get a cheaper alternative.

10 Feb 2011, 13:50
Maik Schmidt (120 posts)


Unfortunately, ultra-sonic sensors are usually expensive. A slightly cheaper alternative to the PING))) sensor is the Maxbotix Rangefinder (

Alternatively, you can use an infrared distance sensor ( They are much cheaper, but produce good results, too.

Of course, you have to adjust the book’s code accordingly, but that makes an excellent exercise.

Cheers, Maik

10 Feb 2011, 14:16
Paul Thomas (4 posts)

that one I can get the uk

I could bastardise one of those ultra sonic range meters. Some of those seem cheep. Ironic becuase I will be replicating the function.

I wonder if I could get my physicist friend to lend me a high precision laser one

15 Feb 2011, 16:53
Maik Schmidt (120 posts)

Ah, a LASER .., that’s the real stuff :-)

But no kidding: at the moment I am playing with some lasers at home and it’s a lot of fun!

Best Maik

22 Mar 2011, 11:09
Stephan Goldenberg (14 posts)

I bought an US range detector from Seeed Studios China. Just US $15 (~10 GBP/11,5 €) and working fine. Code from the book works fine with a single adjustment. The trigger pulse width for this is 10µs. Datasheet:

22 Mar 2011, 15:59
Maik Schmidt (120 posts)

Hi Stephan!

That seems to be a really good sensor for a very reasonable price!

Thank you very much for posting this!

Best, Maik

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