No programming language is required for this firmware. You launch a program, select the necessary options in the graphical interface, and click “Save” to get ready to flash a HEX file in seconds.

The list of features became too long, and I’ve split it into several pages.

1. Premium version
2. Changelog
3. General information (LEDs, pairing)
4. GPIO inputs, outputs, and pull-ups
5. Analog inputs (ADC), source voltage, an internal temperature
6. UART
   UART sensor
7. PWM
8. Pulse generator and counter
9. Group switch
10. Pulse switch
11. Bistable relay / Latching relay
12. External sensors
    • 1-wire sensors: DHT11, DHT12, DHT22, AM2301.
    • DS18B20 (1-wire temperature sensor).
    • I2C sensors. General information.
    • Environmental sensors (I²C-compatible): BMP280, BME280, SI7021, HTU21D, HDC1080, HDC2080, SHT20, SHT30, SHT35 (select SHT30 in the configurator), SHT40, SHTC3, GXHTC3, TMP102 and others.
    • SCD40/41 CO2, temperature and humidity sensor.
    • Ambient light (I²C-compatible): BH1750.
    • Thermocouple sensors MAX31855, MAX31865 (SPI).
    • Air quality sensors: MHZ19, Senseair S8, Sensirion SPS30.
      Air quality sensors: PM1006, PMSx003.
    • TVOC air quality sensors: CCS811, SGP40.
    • DC current and voltage monitoring: INA219, INA226, INA3221.
    • PZEM-004 V3 AC electricity meter (current, voltage, energy).
    • ACS712, ACS758 (AC current meters).
    • HLW8032: VAC energy meter.
    • MODBUS RTU.
    • PCF8583: external counter.
    • PCA9685: 16-channel PWM controller.
    • Ultrasonic distance sensors HC-SR04, US-100, MaxSonar, URM06, URM07, JSN-SR04T and their clones.
    • Digital rotary encoder.
    • X9C102, X9C103, X9C104, X9C503 digitally controlled potentiometers.
    • HX711 load cell/weight module.
    • Real-time clock (RTC, DS3231, DS1307).
    • Cron scheduler.
13. Displays (7-seg, LCD, OLED)
14. LED firmware (WS2812B, Color control)
15. RF signal level control
16. Expert options
    • Embedded description of outputs
    • Custom external converters
    • Conbee II and deCONZ DDF file
17. Power saving mode or battery-powered devices
    • CC2530. Power consumption in PSM
    • CC2652R1. Power consumption in PSM
18. Over-the-Air updates (OTA)
19. Flower / Soil moisture sensor
20. Keypad (matrix keyboard)
21. E18-MS1PA2, E18-MS1PA2-IPX, E18-2G4Z27SI or E18-TBH-28 Test board.
22. E72-2g4m20s1e
23. Serial bootloader on CC2652 or CC1352. Flashing firmware through a COM port.
24. CC2531 configurable router
25. DIY examples