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	3	+**Table of Contents:**
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	5	+{{toc/}}
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1	1	= LoRaST v4 base Hardware =
2	2
3	3	Below hardware use LoRaST v4 module. They module support UART Access for AT Command and Firmware Upgrade.
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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		-
12	12	= UART for AT Commands =
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14	14	== Generate software set up for AT Commands via UART ==
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29	29	= UART for Firmware Upgrade =
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	40	+== General Instruction for UART update firmware ==
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	42	+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:
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	44	+ **Step1**: Set BOOT Switch to **PROG** mode. PROG mode is for update firmware specially.
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	46	+ **Step2**: Press **Reset** button, the module will then boot into program mode.
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	48	+ **Step3**: Use **TremoProgrammer** to update the firmware to LoRaST v4.
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	50	+ **Step4**: Set BOOT Switch to **FLASH** position. Press Reset button again and module will run the new software.
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	53	+Below is the method for how to update via **TremoProgrammer:**
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	55	+1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]
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	57	+2.  Run** TremoProgrammer.**
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	59	+3.  Choose software and set the address to **0x0800D000**
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	61	+4. Rember to set BOOT Switch to FLASH after update
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	63	+[[image:image-20221224174341-4.png||height="471" width="374"]]
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	65	+
	66	+== UART Connection for SIB mother board for Program. ==
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	68	+Below shows the SIB board UART connection, reset button and BOOT Switch (Program Jumper) position. They can be used for firmware upgrade reference.
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	70	+[[image:image-20221224174605-6.png||height="569" width="880"]]
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