Firmware
Firmware
- Firmware v25
- Firmware v24
- Firmware v23
- Without WiFi: Tiredness, Covid
- With WiFi: Tiredness, Covid
- Improved webinterface
- JSON endpoint:
http://ip_address/json - WiFi reconnection after 1 min on lost
- Firmware v22
- Without WiFi: Tiredness, Covid
- With WiFi: Tiredness, Covid
- Buzzer activation/deactivation via service menu
- Pressure sensor temperature output (u)
- Adjustable temperature offset for pressure sensor on Pro devices
- SCD4X bugfixes
- Firmware v21
- Firmware v20
- Firmware v18
- Firmware v17: Tiredness, Tiredness without Buzzer, Covid, Covid without Buzzer
- Firmware v16: Tiredness, Tiredness without Buzzer, Covid, Covid without Buzzer
- Buzzer active after 5 minutes and deactivation for 5 minutes via Switch button
- Improved temperature compensation for Pro variant
- Firmware v15: Tiredness, Tiredness without Buzzer, Covid, Covid without Buzzer
- Improved ATWINC1500 (WLAN) detection
- Firmware v14: Tiredness, Tiredness without Buzzer, Covid, Covid without Buzzer
- Automatic pressure compensation if there is a pressure sensor
- Firmware v13: Tiredness, Tiredness without Buzzer, Covid, Covid without Buzzer
- Support for SCD40/SCD41 CO2 sensor
- Support for LPS22 and BMP280 pressure sensor
- Firmware v12: Tiredness, Tiredness without Buzzer, Covid, Covid without Buzzer
- Measurement interval always set to 2s for better accuracy
- Firmware v11: Tiredness, Tiredness without Buzzer, Covid, Covid without Buzzer
- Detection fix for Plus version, could cause freezing of standard version on startup (since v5)
- Firmware v10: Tiredness, Tiredness without Buzzer, Covid, Covid without Buzzer
- New range light blue up to 599ppm CO2 to recognize when ventilation can be stopped
- Improved USB detection
- Firmware v9: Tiredness, Covid
- Ranges extended (blue up to 300ppm CO2)
- Calibration improved
- Service menu
- Firmware v8: Tiredness, Covid
- WiFi network connection
- Temperature compensation
- Calibration improved
- Firmware v7: Tiredness, Covid
- Serial commands and data output over USB
- Firmware v6: Tiredness, Covid
- Altitude compensation available
- Firmware v5: Tiredness, Covid
- Serial data output over USB (9600 Baud 8N1)
- AP + Webserver on Plus version
- Firmware v4: Tiredness, Covid
- Firmware v3: Tiredness, Covid
- Brightness adjustable via push button
- Firmware v2: Tiredness, Covid
- Firmware v1: Tiredness, Covid
Update Instructions
- Connect the device to a computer via USB.
- Press the reset button twice within 500ms.
- A new USB mass storage device will appear. On problems try another USB cable (no longer than 1m).
- Copy the new firmware file (co2_xxx.bin) to this device/drive (on Windows).
On Linux/Mac the dd command can be used for the writing:
dd if=co2_xxx.bin of=/media/CO2AMPEL/FW.BIN conv=notrunc - The device will update itself and restart with the new firmware and the WiFi and range settings are reset.
Arduino
