v1.8.0

v1.8.0 Firmware
-- 1. LoRaWAN Stack update to DR-LWS-007 (http://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog)
-- 2 . Add AS923-4 band and MA869 band
-- 3 .Fixed the inaccurate ranging of DF-Robot SEN0208 in mode2.
-- 4. Remove the limit of plus or minus 5Kg in mode 5, and expand from 2 bytes to 4 bytes, the unit is g.
-- 5. AT command change: AT+INTMOD is changed to AT+INTMOD1; AT command increase: AT+INTMOD2, AT+INTMOD3, AT+SETCNT.
-- 6. Added working mode 7(3Interrupt),8(3ADC+1DS18B20),9(3DS18B20+2Count)

v1.7.2

v1.7.2 Firmware

-- 1 . OTAA RX2DR is set to 0 by default now for EU868

-- 2 . Add AS923-2 band

v1.7.0 Firmware

-- 1. LoRaWAN Stack update to DR-LWS-005 (http://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog)

-- 2. Add MOD6, Counting Mode

-- 3. Mode 1 II2C add BH1750 Support

-- 4. Mode 2 Distance add two sensors support: TFmini plus and TF-Luna. (base on UART)

-- 5. Fix Interrupt mode bug when change too fast.

v1.6.5 Firmware

-- 1. Fix the conflict between the first LoRa packet and Interrupt

--2. Add MOD=6(Counting)

--3. Fix hig power consumption when power the external ultrasonic sensor in MOD=2

V1.6.4 Firmware(Release)

-- 1. Add watchdog

-- 2. Fix SHT31 sampling issue

-- 3. Fix ADC sampling issue for high power sensor which need 5v power.

-- 4. LoRaWAN Stack update to DR-LWS-003 (http://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog)

-- 5. Fix low power issue for SHT20, SHT31 and Ultrasonic Sensor.

-- 6. Add KZ865 frequency band.

V1.6.3 Firmware(Not Release)

-- 1. Add AT+5VT command to control 5v output time.

-- 2. Fix payload order error generate in v1.6.2

V1.6.2 Firmware

-- 1. Add mode 5: weight mode by HX711 sensor

-- 2. Update LoRaWAN stack to DR-LWS-002

V1.6.1 Firmware:

-- 1. Add 3 x DS18B20 mod