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Huawei Sun2000 Dongle
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This is a custom dongle for the Huawei Sun2000-10KTL-M0 pv inverter, for an esp32 which reads data over rs485/modbus rtu
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
The few things you should now:
I designed it to be used with the original nut from the Sdongle.
ESP gets powered over the USB-A from Huawei inverter (5V 1A)
For hardware you only need 4x M3 Screws ~10mm.
There is no hardware mount in particular so whatever hardware you use, you either don't care and let it hang around or you design something for the case.
For the ESP i used:
esp32-c6 mini
rs485 to ttl module
USB-A male connector
1k/2k resistors (to use 5V on rs485 module)