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Updated PZEM004T Energy Monitor (markdown)

Adrian Scillato 2018-11-28 10:56:52 -03:00
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PZEM004T-Energy-Monitor.md

@ -32,6 +32,8 @@ As most parts are connected to AC try to fit the hardware in a solid enclosure.
## Software configuration
Configure the GPIO's for hardware serial connection as shown below.
As the PZEM-004T expects 5V serial data and the Sonoff Basic only provides up to 3V3 the expected optocoupler input power of the PZEM-004T has to be reduced. This can be accomplished by soldering a 1k resistor between the joints shown below.
<img src="https://github.com/arendst/arendst.github.io/blob/master/media/pzem/pzem-tasmota.png" height="400" />