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8	8	**PS-LB **
9	9	)))|(% style="width:135px" %)SIB|(% style="width:199px" %)Instruction|(% style="width:230px" %)Instruction
10	10
	11	+= UART for AT Commands =
11	11
	13	+== Generate software set up for AT Commands via UART ==
12	12
	15	+1. Use a general serial tool.
	16	+1. Connect PC to device's UART interface
	17	+1. Set up serial tool with : BaudRate: 9600, databit:8, No parity, No flow control.
13	13
	19	+[[image:image-20221224170218-1.png||height="497" width="640"]]
	20	+
	21	+
	22	+== UART Connection for SIB mother board ==
	23	+
	24	+[[image:image-20221224171304-3.png||height="545" width="863"]]
	25	+
	26	+
	27	+
	28	+= UART for Firmware Upgrade =
	29	+
	30	+== General Instruction for UART update firmware ==
	31	+
	32	+LoRaSTv4 Base hardware support UART update firmware. the UART connection is the same as AT Command connection, with the need for two extra action. See below for the steps:
	33	+
	34	+ **Step1**: Set BOOT Switch to **PROG** mode. PROG mode is for update firmware specially.
	35	+
	36	+ **Step2**: Press **Reset** button, the module will then boot into program mode.
	37	+
	38	+ **Step3**: Use **TremoProgrammer** to update the firmware to LoRaST v4.
	39	+
	40	+ **Step4**: Set BOOT Switch to **FLASH** position. Press Reset button again and module will run the new software.
	41	+
	42	+
	43	+Below is the method for how to update via **TremoProgrammer:**
	44	+
	45	+1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]
	46	+
	47	+2.  Run** TremoProgrammer.**
	48	+
	49	+3.  Choose software and set the address to **0x0800D000**
	50	+
	51	+4. Rember to set BOOT Switch to FLASH after update
	52	+
	53	+[[image:image-20221224174341-4.png||height="471" width="374"]]
	54	+
	55	+
	56	+== UART Connection for SIB mother board for Program. ==
	57	+
	58	+Below shows the SIB board UART connection, reset button and BOOT Switch (Program Jumper) position. They can be used for firmware upgrade reference.
	59	+
	60	+[[image:image-20221224174605-6.png||height="569" width="880"]]
	61	+
	62	+
	63	+

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