[OpenTRV-dev] Schematic is good

[Damon Hart-Davis]

I'm using SPI for talking to the RFM22/RFM23, ie independent of the serial/USB UART.

As it happens, the FHT8V protocol is rather slower than 4800 baud anyway.

Rgds

Damon


On 17 May 2013, at 22:23, Stuart Poulton wrote:

> Of course, the slower the serial, the longer you have to run the radio for if you're using it's serial interface, the more battery gets eaten.
> 
> Stuart
> 
> On 17 May 2013, at 17:11, Damon Hart-Davis wrote:
> 
>> Hi,
>> 
>> Went straight for 4800 baud (a) to match the PICAXE default that I had been using and (b) because I'd seen some reports of problems at 9600 baud with a 1MHz CPU clock and (c) because I think it's plenty fast enough.  The guy who built the bootloader for me also made a 9600 baud version, see: 
>> 
>> http://arduino.cc/forum/index.php/topic,160647.msg1204176.html
>> 
>> You'll be asking me to move up from my Teletype to one of those new-fangled dot-matrix printers next.  B^>
>> 
>> Rgds
>> 
>> Damon
>> 
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