<
From version < 17.1 >
edited by Herong Lu
on 2022/06/02 10:00
To version < 38.1 >
edited by Herong Lu
on 2022/06/02 11:58
>
Change comment: There is no comment for this version

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88 88  
89 89  == Upgrade Firmware of LA66 LoRaWAN Shield ==
90 90  
91 +=== what needs to be used ===
91 91  
93 +1.LA66 LoRaWAN Shield that needs to be upgraded
92 92  
95 +2.Arduino
96 +
97 +3.USB TO TTL
98 +
99 +[[image:image-20220602100052-2.png]]
100 +
101 +=== Wiring Schematic ===
102 +
103 +[[image:image-20220602101311-3.png]]
104 +
105 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
106 +
107 +GND  >>>>>>>>>>>>GND
108 +
109 +TXD  >>>>>>>>>>>>TXD
110 +
111 +RXD  >>>>>>>>>>>>RXD
112 +
113 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
114 +
115 +Connect to the PC after connecting the wires
116 +
117 +[[image:image-20220602102240-4.png]]
118 +
119 +=== Upgrade steps ===
120 +
121 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
122 +
123 +[[image:image-20220602102824-5.png]]
124 +
125 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
126 +
127 +[[image:image-20220602104701-12.png]]
128 +
129 +==== Open the upgrade application software ====
130 +
131 +Software download link:[[click here>>attach:TremoProgrammer_v0.8.rar]]
132 +
133 +[[image:image-20220602103227-6.png]]
134 +
135 +[[image:image-20220602103357-7.png]]
136 +
137 +===== Select the COM port corresponding to USB TTL =====
138 +
139 +[[image:image-20220602103844-8.png]]
140 +
141 +===== Select the bin file to burn =====
142 +
143 +[[image:image-20220602104144-9.png]]
144 +
145 +[[image:image-20220602104251-10.png]]
146 +
147 +[[image:image-20220602104402-11.png]]
148 +
149 +===== Click to start the download =====
150 +
151 +[[image:image-20220602104923-13.png]]
152 +
153 +===== The following figure appears to prove that the burning is in progress =====
154 +
155 +[[image:image-20220602104948-14.png]]
156 +
157 +===== The following picture appears to prove that the burning is successful =====
158 +
159 +[[image:image-20220602105251-15.png]]
160 +
93 93  = LA66 USB LoRaWAN Adapter =
94 94  
95 95  LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
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106 106  
107 107  === Use AT Command to send an uplink message. ===
108 108  
109 -=== Send CPU/RAM usage to TTN via a script. ===
177 +=== Send PC's CPU/RAM usage to TTN via script. ===
110 110  
179 +==== Take python as an example: ====
111 111  
181 +===== Preconditions: =====
182 +
183 +1.LA66 LoRa Shield works fine
184 +
185 +2.LA66 LoRa Shield is registered with TTN
186 +
187 +===== Steps for usage =====
188 +
189 +1.After connecting the line, connect it to the PC, turn SW1 to FLASH, and press the RST switch. As shown in the figure below
190 +
191 +[[image:image-20220602114148-1.png]]
192 +
193 +2.Run the script and see the TTN
194 +
195 +[[image:image-20220602115852-3.png]]
196 +
197 +
198 +
112 112  == Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
113 113  
114 114  
115 115  == Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
116 -
117 -
TremoProgrammer_v0.8.rar
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