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README.md

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@@ -11,7 +11,7 @@ The first version of the hardware is released and ordered for assembly from jlcp
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View the latest [PCB Interactive BOM](https://htmlpreview.github.io/?https://github.com/Tropaion/ZigBee_SmartMeter_Reader/blob/main/hardware/bom/ibom.html).
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<center><img src="https://github.com/Tropaion/ZigBee_SmartMeter_Reader/blob/main/images/pcb.png?raw=true" width="35%" /></center>
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<img src="https://github.com/Tropaion/ZigBee_SmartMeter_Reader/blob/main/images/pcb.png?raw=true" width="35%" />
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For this project, I used the [ESP32-C6-MINI-1U](https://www.espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_en.pdf), thanks to espressif for providing me a few samples.
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I choose the version with external antenna, since, in most cases, the devices will be mounted in an isolated meter box. And, since many of them are made of metal (faraday cage), like in my case,
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To provide easy flashing and debugging the USB-C-Socket is connected to the ESP internal USB-JTAG-Converter.
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For the case that the converter is not working, the UART0 programming interface is connected to J2 and J3, which will not be assembled.
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For production use in the meter box, only the 5V supply terminal (J5) which in my case will be connected to a 5V DIN Power Supply and RJ12 (J1) cable going to the smartmeter.
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For production use in the meter box, only the 5V supply terminal (J5) which in my case will be connected to a 5V DIN Power Supply and RJ12 (J1) cable going to the smartmeter is needed.
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Since most smartmeters send encrypted data, for which you need to request an decryption key from your provider.
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This key has to be configured in the software. The current plan for this is to provide a simple configuration terminal which is accessible via the USB-C-Socket.
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Currently doing a few tests with the esp developement board. Serious developement will begin when the hardware from jlcpcb arrives.
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# Enclosue
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WIP
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WIP

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