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--- web-u2 [2019/09/09 13:48] – [WITRN U2 104083] kingkevin
+++ web-u2 [2019/09/09 16:26] – [Software] kingkevin
@@ Line 134: / Line 134: @@
   - UART pins: to connect to the AT-09 Bluetooth module (with TI CC2541 chip). pinout, beginning with square pin: 3.8V GND RX TX
 ===== Software =====
+{{  :u2:software-screenshot.png?400|}}
+Here a couple of notes about the [[http://www.witrn.com/witrn/u2/WITRN_Software.zip|PC software]] (for Windows).
+The software is in Chinese, but you can change it by translating the words in the ''lang.ini'' file.
+Here the {{ :u2:lang.ini.zip |english lang.ini}} (works for versions 4.0, 4.1, 4.4).
+When started, the software will query [[http://www.witrn.com/updata/U2_NewVersion.pdf]] to get the latest version information.
+This is not a pdf. I think this is just to pass firewall (just like they use HTTP without SSL).\\
+This URL will return a short binary string, for example ''0x44 0x67 0x25 0x11 0x12 0x12 0x13 0x21'':
+  * ''0x44'': Software version 4.4
+  * ''0x67'': U2 Firmware version 6.7
+  * ''0x25'': X Firmware version 2.5
+  * ''0x11'': C3 Firmware version 1.1
+  * ''0x12'': C1 Firmware version 1.2
+  * ''0x12'': C0 Firmware version 1.2
+  * ''0x13'': C0s Firmware version 1.3
+  * ''0x21'': A0  Firmware version 2.1
+If will also query [[http://www.witrn.com/updata/U2_ad.pdf]], which is again not a pdf, but the text to display on the left side.\\
+Using the Network upgrade it will also download the Firmware for the U2 at [[http://www.witrn.com/updata/U2_FW_NEW.pdf]] and U2p at [[http://www.witrn.com/updata/U2_4KEYS_FW_NEW.pdf]] (raw binaries)
 ===== Support =====