User Manual

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LTC2 LoRaWAN Temperature Transmitter 27 / 32
Step 1: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/
Step 2: Open it and choose
➢ Product Model
➢ Uplink Interval
➢ Working Mode
And the Life expectation in difference case will be shown on the right.
5. Firmware Change Log and Upload Firmware
User can use ST-Link v2 to upgrade firmware into LTC2 for bug fix or new features. The hardware
connection for upgrade firmware is as below:
Connection:
✓ ST-LINK v2 GND <--> LTC2 GND
✓ ST-LINK v2 RESET <--> LTC2 NRST
✓ ST-LINK v2 SWCLK <--> LTC2 SWCLK
✓ ST-LINK v2 SWDIO <--> LTC2 SWDIO
✓ LTC2 power must be on.
Firmware Location and Change Log:
http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LTC2/Firmware/