Release Notes¶

v15.3.0¶

CRC check: Automatic validation of SML telegrams with auto-detection of the algorithm
MQTT only after valid data: No more zero values after reboot
64-bit OBIS fix: Correct handling of large meter readings (Long64)
IRAM optimization: Saves scarce IRAM on ESP8285
Longer strings: Variables up to 255 characters (previously 48)
Local variables: Better script modularization
FNN decoder (@##): Meter number in plain text instead of hex

Decoder Example output

@# 1454414732303234323535353531

@## 1 SAG20 2425 5551

Example script line:
```
1,77070100600100ff@##,Meter Number,,Meter_ID,0
```

First stable firmware version for the WattWächter WiFi/USB.

Decoder	Example output
`@#`	`1454414732303234323535353531`
`@##`	`1 SAG20 2425 5551`