[chbot] nordic nRF

[Volker Kuhlmann]

On Tue 21 May 2013 06:15:00 NZST +1200, Mark Atherton wrote:

Thanks!!

> If I were to do it all over again I would only buy from <http://www.canton-electronics.com/>http://www.canton-electronics.com/
> who also have the nRF24LE1 programmer along with low cost modules on
> 0.1" headers.

Agreed, good supplier. ebay doesn't seem to cut it most of the time.

I won't be getting into PIC anything because the effort is far better
spent on getting into ARM, and PIC sucks for all but the 32bit from
MPOV. dspic sounds good but should be replacable with a bigger arm.

You gave the distinct impression yesterday that one chip is the receiver
and the other the transmitter, so I'm being very confused, but Mark A's
yourduino.com suggests this is not so, and either chip can be used at
either end, but the LE1 has a 8051 included. Now things are looking
clearer.

> version. SDCC is open and free. Not the highest level of
> optimization, but the price is right and easy to use. The only thing
> that drove me nuts was having to put all of the interrupt handlers
> in the main module.

Code size is secondary until you run out of space, but for very low
power using the 8051 might be useful, at the cost of fiddling with
another completely different tool chain.

> Some kind soul has created an SDK
> http://www.diyembedded.com/lib/nrf24le1/nrf24le1_sdk_v1.0.zip he has

Just looking at the files it looks very good indeed.

What programmers are available that run on Linux, do you know?

> Part also has ADC, PWM, UART, GPIO on board - the trick is to find a
> module with required features available.

You mean a module that connects the QFN pins to some PCB copper?

> Nordic also do a UHF version that covers 433 / 868 / 920MHz with
> +10dBm TX, but lower data rate. With good RF engineering, this could
> get you kilometres of range...

Hmmm....

Thanks Mark for the pointer to these chips, they could be very useful
for something sometime.

Volker

-- 
Volker Kuhlmann
http://volker.dnsalias.net/	Please do not CC list postings to me.