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LSN50 LoRa Sensor Node User Manual
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2.7
Firmware Change Log
V1.6.1 Firmware (Not release):
Add 3 x DS18B20 mod
V1.6 Firmware:
Improve Interrupt feature.
Downlink to change AT+CFM. Downlink to change AT+INTMOD
Add 3ADC + I2C mode.
Fix power consumption bug in v1.5.
Fix SHT20, SHT31 reading bug.
V1.5 Firmware:
Add ultrasonic sensor support.
Add AT+MOD command to select difference sensors: (Ultrasonic, I2C) (See update AT
Command manual)
Add Downlink command to change TDC and reset the device.
Add AT+TXP command to be able manually set the exact TX Gain (See update AT
Command manual)
V1.4 Firmware:
Adjust payload, the default firmware include SHT20 and SHT31, If there is no SHT20,
SHT31, the related filed will show FF FF FF FF
Adjust 868 & 915 payload into 11 bytes, now 868 & 915 has same payload
Fix the 85 degree bug for DS18B20
Add new AT command which can adjust RX window time for LG01/LG02
Add AT command to print all parameters.
Any FPORT can accept downlink message and print.
v1.3 Firmware:
Add new AT Commands: AT+CHS & AT+CHE
Change AT+FDR command. This command will reset to factory except the keys
+5v power will only enable when read sensor data
Optimize OTAA join procedure. The first 50 joins will act as per LoRaWAN
request(request join every few seconds), if devices have not joined in network, the Join
Interval will extend to 30 minutes. If devices still not join at 200 tries, it will restart and
start to Join again.
Now print Device Model/Frequency bands/ Image Version/Dev EUI at start.
V1.2 Firmware:
Support Class C
After the configuration key can be stored in. No need to configure again even after
power off.
Add auto send feature after power on
Solve negative temperature issue.
Support Mydevices_LPP payload, user need to recompile firmware again.
V1.1 Firmware:
Support Battery Voltage(mV) ,the data of Oil Sensor ,the data of DS18B20, Digital I/0,
ADC_IN1(PA1),
