emonTx Voltage Check


 i measure the voltage between the GND and VCC pads on the RFM12B socket.

3.25v is that ok?


Robert Wall's picture

Re: emonTx Voltage Check

It should be OK. It should be 3.3 V +/- typically 0.4% but the limit tolerance is 3%. So it is well within specification. The MCP1702 data sheet has all the details.

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