P1Reader

The custom ESP32-based board to read the data from the smart electricity meters via the P1 port.

DSMR protocol and P1 port description

• Overview of DSMR resources and standards
• P1 DSMR Protocol 5.0.2 Companion Standard

Board

Schematics
ESP32-WROOM-32D Processor Datasheet

Test bench

ESP32 Devkit V4

• Information about the board. Get Started.
• Pinout
• Schematics

How to use the test bench

• Unzip the DSMR data file res/data from XS210 smart meter.zip
• Execute the commands to feed the DSMR data to the board:
  • mode COM4 BAUD=115200 PARITY=n DATA=8
  • copy "data from XS210 smart meter.txt" /B COM4 /B

How to dump data from the smart meter

• Use P1Port to USB converter
• Execute the commands:
  • mode COM4 BAUD=115200 PARITY=n DATA=8
  • copy COM4 /B "data from XS210 smart meter.txt" /B

Micropython

Micropython ESP32

How to upload the FW and the code to the board

Run the scripts from PowerShell:

scripts/UploadMicropythonFwToBoard.ps1 -comPort COM3
scripts/UploadSourceCode_RestartBoard_OpenRepl.ps1 -comPort COM3 -ssid wifi_name -pass wifi_password