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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.25
edited by Xiaoling
on 2022/06/06 11:11
Change comment: There is no comment for this version
To version 41.23
edited by Xiaoling
on 2022/06/06 11:10
Change comment: There is no comment for this version

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1372 1372  3.3v position: set to compatible with 3.3v I/O.,
1373 1373  )))
1374 1374  
1375 -(((
1376 1376  **+3.3V**: is always ON
1377 -)))
1378 1378  
1379 -(((
1380 1380  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1381 -)))
1382 1382  
1383 1383  
1384 1384  = 4. Case Study =
... ... @@ -1390,16 +1390,12 @@
1390 1390  
1391 1391  == 5.1 Access AT Command ==
1392 1392  
1393 -(((
1394 1394  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1395 -)))
1396 1396  
1397 1397  [[image:1654135840598-282.png]]
1398 1398  
1399 1399  
1400 -(((
1401 1401  In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1402 -)))
1403 1403  
1404 1404  [[image:1654136105500-922.png]]
1405 1405