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Software serial limitation

Adrian Scillato 2018-11-28 11:13:23 -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.
**IMPORTANT: If using the connections as following, the communication works in all cores due to Tasmota will use Hardware Serial. If the user wants to use another GPIOs for communication, Tasmota will emulate the serial interfase using software serial feature. This feature don't work using core 2.3.0 due to insuficient iRAM. To use software serial feature, please compile using core 2.4.2 or greater.**
<img src="https://github.com/arendst/arendst.github.io/blob/master/media/pzem/pzem-tasmota.png" height="400" />