Summary

• Page properties (1 modified, 0 added, 0 removed)

Details

Page properties

Content

...	...	@@ -54,13 +54,36 @@
54	54	[[image:image-20220530002453-3.png||height="262" width="493"]]
55	55
56	56
	57	+= Use AT Command =
57	57
	59	+== Access AT Commands ==
	60	+
	61	+GroPoint Air supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to GroPoint Air for using AT command, as below.
	62	+
	63	+[[image:Main.User Manual for LoRaWAN End Nodes.LLMS01-LoRaWAN Leaf Moisture Sensor User Manual.WebHome@1654593668970-604.png||height="297" width="474"]]
	64	+
	65	+**Connection:**
	66	+
	67	+(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
	68	+
	69	+(% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD**
	70	+
	71	+(% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD**
	72	+
	73	+
	74	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for GroPoint Air. GroPoint Air will output system info once power on as below:
	75	+
	76	+[[image:Main.User Manual for LoRaWAN End Nodes.LLMS01-LoRaWAN Leaf Moisture Sensor User Manual.WebHome@1654653659449-932.png||height="471" width="674"]]
	77	+
	78	+Valid AT Command please check [[Configure Device>>||anchor="H3.ConfigureLLMS01viaATCommandorLoRaWANDownlink"]].
	79	+
	80	+
58	58	= FAQ =
59	59
60	60	== How to change the LoRa Frequency Bands/Region ==
61	61
62		-You can follow the instruction here: [[how to upgrade image>>doc:Main.Firmware Upgrade Instruction for STM32 base products||anchor="H2.HardwareUpgradeMethodSupportList"]].
63		-When downloading the images, choose the required image file for[[ download>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome||anchor="H2.HardwareUpgradeMethodSupportList"]]. ​
	85	+You can follow the instruction here: [[how to upgrade image>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome||anchor="H2.HardwareUpgradeMethodSupportList"]].
	86	+When downloading the images, choose the required image file for download. ​
64	64
65	65
66	66	= Trouble Shooting =