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Old Sep 26, 2014, 09:51 AM
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Germany, HE, Griesheim
Joined May 2008
177 Posts
Careful that may not be what you want, apparently you can only drive the RFM69HW at full 20dBm with a 1% duty cycle.

Item -22-433 here with extra flash and clock may be a better option and they have a friendly shipping cost to Europe about 24$ total, shipped which is fine. If I ever build a second I would certainly use that and not the OrangeRX.

A lot has moved on in the year since I was making my last samples, any how here are all the voltages in 0.01 steps from 3 to 4.2 suitable for the audio module.
0300.wav to 0420.wav, fits nice with the Altitudes posted 1 year ago 0000.wav to 0199.wav in 10s, still plenty of space out of a possible 512 files for single words/phrases.

I did start by programmatically joining the samples together on the target but there was too much delay at the end of the playback of each sample so I created all the needed sample files again. Makes the playback SW simpler in any case.

... Simon
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Last edited by Simon Castle; Sep 26, 2014 at 10:35 AM.
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