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Roar Fredriksen
2017-09-15 11:07:54 +02:00
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The purpose of this project is to collect information and build a simplified bridge for reading serial DLSM/M-bus information from electrical power meters (AMS), provided over the HAN port, and publishing to some IoT friendly target.
Components will be ESP8622, Arduino code, a (very simplified) M-bus <-> 3.3V serial interface
Components will be ESP8622, Arduino code, a (very simplified) M-bus <-> 3.3V serial interface
As a start, we should try to get information from the three types of AMS meters currently being installed in Norway. Some details about these are available here: [NVE_Info_kunder_HANgrensesnitt.pdf](Documentation/NVE_Info_kunder_HANgrensesnitt.pdf)
The project should include:
* schematics, possibly PCB
* documentation, samples
* arduino library
* ad-hoc testing code
- [x] [Simple circuit to transform MBus levels to 3.3V serial](/Electrical/Simple%20HAN%20to%20FTDI%20Circuit.jpg)
- [x] [Code to capture and analyze data from PC](/Code/HanDebugger)
- [x] [Code to capture and analyze data from Arduino](/Code/ESPDebugger)
- [x] [Sample data from various meters](/Samples)
- [x] [Documentation on HAN / MBus / DLMS/COSEM](/Documentation)
- [ ] Code to parse DLMS data into a structure
- [ ] Real schematics, including ESP8266, possibly PCB
- [ ] Arduino library
- [ ] Arduino sample sketch to read values and report to MQTT server
### Circuit to read HAN from PC (via FTDI)
![Circuit to read HAN from PC](/Electrical/Simple%20HAN%20to%20FTDI%20Circuit.jpg)