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 # ATTNode v3 Firmware
 
+This is the code repository for ATTNode v3 compatible firmware. At the moment it supports LoRa communication using OTAA and a growing number of sensor, like the BME280 and SHT21 for temperature, humidity and atmospheric pressure, MH-Z19C and SCD30 for CO2 or HM330x for Particulate Matter. It also uses deep sleep to save energy between Measurements.
+
+The firmware is developed using [PlatformIO](https://platformio.org/). At least version 5.1.0 is needed for ATTiny3216 support.
+
 ## Documentation
 
 **The full documentation for firmware options, payload decoders and programming can be found at [attno.de](https://www.attno.de/21-firmware-v3)**
 
 ## Configuration and Programming
 
-This is the code repository for ATTNode v3 compatible firmware. At the moment it supports LoRa communication using OTAA and a BME280 or SHT21 sensor, as well as deep sleep between measurements.
-
-The firmware is developed using [PlatformIO](https://platformio.org/). At least version 5.1.0 is needed for ATTiny3216 support.
-
 To set the fuses for clock speed, BOD levels etc., use the "Set Fuses" operation in PlatformIO. This has to be done once for a "fresh" Node or when the Board Config in platformio.ini was changed. Afterwards it is enough to use the normal "Upload" function for Code or config.h changes.
 
 Before programming a node, copy src/config.h.example to src/config.h and set the used sensor, LoRaWAN keys and other options as needed.