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What do I need

6 replies [Last post]
31 January, 2012 - 16:24
Alanmh
Offline
Reading, United Kingdom
Joined: 7 Jul 2010

Hi all

I want to investigate modifying the sketches on the Jeenode. Can someone point me at a programmer that I need? or can I user the HAH built in programming feature?

My goal is to attempt to make my own simple weather station and ultimately to also control greenhouse watering.

Many thanks

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31 January, 2012 - 16:41
#1
derek
Offline
Glasgow, United Kingdom
Joined: 26 Oct 2009
ISP

I use the little USB unit that is described here
http://www.dbzoo.com/arduino/isp_with_stk500

Lots of folks selling these on eBay. No too expensive and works very well with AVR Studio.

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31 January, 2012 - 16:50
#2
brett
Offline
Providence, United States
Joined: 9 Jan 2010
No Programmer

If the AVR already has a bootloader on the chip, and MOST do, then you don't need any programmer at all.  The Jeenode can be reprogrammed directly from your PC via its USB cable.

Brett

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31 January, 2012 - 17:24
#3
Alanmh
Offline
Reading, United Kingdom
Joined: 7 Jul 2010
I think I remember from a

I think I remember from a previous thread, that the HAHNodes do not have bootloaders.

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31 January, 2012 - 17:29
#4
brett
Offline
Providence, United States
Joined: 9 Jan 2010
The HAH AVR has no bootloader

The HAH AVR has no bootloader (by default), the HAHnode's ALWAYS have a bootloader by default.  Perhasp you got these two confused?

Brett

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31 January, 2012 - 17:57
#5
Alanmh
Offline
Reading, United Kingdom
Joined: 7 Jul 2010
I did, well not so much

I did, well not so much confused as mis remembered.

Thanks for the clarity

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1 February, 2012 - 12:33
#6
derek
Offline
Glasgow, United Kingdom
Joined: 26 Oct 2009
More clarity ...

The HAHnodes have been in 'beta test' for a while now. Some folks will have early release versions of the 328 chip that had no bootloader onboard. These can only be re-programmed via ISP.

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