Update pzemac.rst (#495)

RX pin is  duplicated and don´t have TX pin
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Francisk0 2020-03-12 21:31:57 +01:00 committed by GitHub
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@ -36,7 +36,7 @@ to some pins on your board and the baud rate set to 9600.
# Example configuration entry
uart:
rx_pin: D1
rx_pin: D2
tx_pin: D2
baud_rate: 9600
stop_bits: 2