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硬件: ES32 + PZEM-004T + DHT20
固件: ESPHome
### ESP32
采购于淘宝的「泽杰旗舰店」,ESP32 WROOM CH340 芯片版本的开发板。
管脚定义:
### PZEM-004T
该模块主要用于测量交流电压、电流、有功功率、频率、功率因数和有功能量,模块无显示功能,数据通过 TTL 接口读取。
esphome 接入…
Bpazy updated
1 month ago
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For years I have owned a PZEM-004 V.3.00, the one with the displays, but I have never managed to interface it with a WemosD1Mini, I tried with Tasmota without success, but one day, on the Home Assis…
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@gemu2015
Some discussion on Discord re: 3-phase power monitoring with Tasmota. In particular, using multiple inexpensive PZEM-004T modules. I suggested that perhaps the smart meter interface you …
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I have an ESP-WROOM-32D, the RS232->TTL shown in the documents and a PowMr 5kW hybrid inverter. I can communicate with the USB connection with the Windows app, so I know at least the inverter is outpu…
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Has anyone got this working with PZEM-004t v3 in Python
I get no response from unit.
NA7KR updated
5 months ago
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I am getting the following error when compiling for arduino nano:
`....\Arduino\libraries\PZEM-017-v1-master\PZEM017v1.cpp: In constructor 'PZEM017v1::PZEM017v1(uint8_t, uint8_t, uint8_t)':
....\Ard…
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Is it possible to daisy chain more than one PZEM-004T? For 3 phases for example
lg
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Hello again,
it is possible that we can the soc calculation direct on the ESP32 controller for the PZEM-017. He can not make it self. What he can is Voltage, amps and Watts and kwh sent to the cont…
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Hi,
I have the PZEM-017 with 100A.
I don't get any values displayed. Data is displayed on Windows, so hardware is okay.
What do I have to do to make your program work with the PZEM-017?
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2021-08-31 13:42:00.075 Error: pzem: (pzem) Modbus communication error - cannot decode data. Check it out!
2021-08-31 13:42:00.075 Error: pzem: (pzem) 'onHeartbeat' failed 'UnboundLocalError':'local …