Contetns
eLR100-UL-00 Manual for Consumer Products, Rev. 0.2, 02/2020
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3.
APPLICATION
3.1.
FIRMWARE UPLOAD
3.1.1.
Board Setting
Figure 8. Boot Mode
1.
Jumper in Boot Mode Header (J1) to set the Firmware Upload Mode.
Table 1 Jumper Setting
Mode
Jumper Setting
Description
Default Mode
(ROM BOOT)
Normal Operation Mode
Firmware Upload Mode
(UART to Flash Boot)
Firmware Update Mode
2.
Connect a 5V power supply to the Arduino Header. Connect a 5V power supply to the IOFF as well.
3.
Connect the Uart cable to D0,D1 of the Arduino Header.
4.
Press LoRa Reset Switch (SW1) to reset.