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Topic: RFM22B transceiver power (Read 647 times) previous topic - next topic

John_Smith

I have been playing with the RFM22B transceivers, with MikeM s library, and it seems the raw ones I receive are set at full power, and draw 80 mA ( or try to ) from the Arduinos 3v3 supply.

It wouldnt run at all, but I put a 2,200 Mfd cap on the 3v3  to help supply the power each time it transmits, and it now runs.
45 years of editing projects with a knife and soldering iron, then I found Arduino !

oric_dan

Quote
from the Arduinos 3v3 supply.


Which Arduino board? Some one [name lefty] recently said the 3.3V supply from the USB
port supplies only 50 mA.

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