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Hello
I bought 3 pzem-004t 10A and then 3 others of 100A. I gave the addresses 1, 2, 3, 4 to the first but impossible to give the addresses 5 and 6. When I give an address >4 the pzem takes the addre…
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Library compiled with arduino ide with wemos d1 esp8266 software serial to pins 14/12, in a random way the readings of the pzem are distorted as shown in the graph and go to zero Blue line VAC, red li…
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### PROBLEM DESCRIPTION
I have connected a PZEM-004t-v3 to ESP32 (Tasmota 13.4.0(solo1)). R8 where lowered.
It works intermittently for few hours, then it display all zeros in the energy fields. I…
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I first congratulate you on the work. It works very well to monitor consumption. It would lack a little more precision.
I wanted to know if it is possible to integrate at least one output to be able …
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The chip supports this.
This seems to be in the documentation. It would be great.
The format of the master command for calibrating a slave (6 bytes in total):
0xF8 + 0x41 + 0x37 + 0x21 + CRC ch…
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Hello all, in PZEM-004Tv3.0 version, how do we can see the direction of energy? In the older version the IC have a output that indicate the direction of energy ... like this article [https://github.co…
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Hello Timo,
I would like to ask you if you have any experience with the AC inputs?
I am trying to make a program to run the information of AC Voltage and Current to the Nmea 2000 network.
Thanks …
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Hi,
I need to use integrated modem of TTGO T-CALL SIM800L board and another serial device.
Are there available UART(s) for connecting via serial to this board ? If yes, what are the PIN(s) ?
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