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USR IOT USR-WIFI232-T manual available for free PDF download: User Manual
USR IOT USR-WIFI232-T User Manual (72 pages)
Low Power WiFi Module
Brand:
USR IOT
| Category:
Network Card
| Size: 2 MB
Table of Contents
Table of Contents
2
List of Tables
5
List of Figures
6
History
8
1 Product Overview
9
General Description
9
1.1.1 Device Features
9
1.1.2 Device Parameters
10
1.1.3 Key Application
10
Table 1 USR-WIFI232-T Module Technical Specifications
10
Hardware Introduction
12
Pins Definition
12
Figure 1. USR-WIFI232-T Pins Map
12
Table 2 USR-WIFI232-T Pins Definition
12
Electrical Characteristics
13
Table 3 Absolute Maximum Ratings
13
Table 4 Power Supply & Power Consumption
13
Mechanical Size
14
External Antenna
14
Evaluation Kit
15
Table 5 USR-WIFI232-T External Antenna Parameters
15
Table 6 USR-WIFI232-T Evaluation Kit Interface Description
15
Typical Application
16
Hardware Typical Application
16
Smart Led Application Hardware Typical
16
Connection
16
Figure 5. USR-WIFI232-T Hardware Typical Application
16
Figure 6. USR-WIFI232-T Smart LED Application Hardware Connection
16
2 Functional Description
18
Wireless Networking
18
Basic Wireless Network Based on Ap (Infrastructure)
18
Wireless Network Based on Ap+Sta
18
Figure 7. USR-WIFI232-T Basic Wireless Network Structure
18
Work Mode : Transparent Transmission Mode
19
Figure 8. AP+STA Network Structure
19
Uart Frame Scheme
20
Uart Free-Frame
20
Uart Auto-Frame
20
Encryption
20
Parameters Configuration
21
Firmware Update
21
Gpio/Pwm Function
23
Socket B Function
23
Table 7 USR-WIFI232-T GPIO/PWM Pin Mapping Table
23
Table 9 Table
23
Multi-Tcp Link Connection
24
Figure 9. Socket B Function Demo
24
Figure 10. Multi-TCP Link Data Transmition Structure
24
3 Operation Guideline
25
Configuration Via Web Accessing
25
Open Web Management Interface
25
Figure 11. Open Web Management Page
25
Table 8 USR-WIFI232-T Web Access Default Setting
25
System Page
26
Work Mode Page
26
Figure 12. System Web Page
26
Sta Setting Page
27
Ap Setting Page
27
Figure 13. Work Mode Page
27
Figure 14. STA Setting Page
27
Other Setting Page
28
Figure 15. AP Setting Page
28
Figure 16. Other Setting Page
28
Account Management Page
29
Upgrade Software Page
29
Restart Page
29
Figure 17. Account Page
29
Figure 18. Upgrade SW Page
29
3.1.10. Restore Page
30
Figure 19. Restart Page
30
Figure 20. Restore Page
30
Usr-Wifi232-T Usage Introduction
31
Software Debug Tools
31
Network Connection
31
Default Parameter Setting
31
Figure 21. STA Interface Debug Connection
31
Figure 22. AP Interface Debug Connection
31
Module Debug
32
Figure 23. "Commtools" Serial Debug Tools
32
Figure 24. "Tcpudpdbg" Tools Create Connection
32
Typical Application Examples
33
Wireless Control Application
33
Figure 26. "Tcpudpdbg" Tools Connection
33
Figure 27. Wireless Control Application
33
Remote Management Application
34
Transparent Serial Port Application
34
Figure 28. Remote Management Application
34
Figure 29. Transparent Serial Port Application
34
4 At+Instruction Introduction
35
Configuration Mode
35
Switch to Configuration Mode
35
Figure 30. USR-WIFI232-T Default UART Port Parameters
35
Figure 31. Switch to Configuration Mode
35
At+ Instruction Set Overview
36
Instruction Syntax Format
36
Figure 32. "AT+H" Instruction for Help
36
At+ Instruction Set
37
At+E
39
At+Wmode
39
At+Entm
40
At+Tmode
40
At+MID
40
At+Ver
40
At+Reld
41
At+Fclr
41
At+Z
41
At+H
41
At+Cfgrd
41
At+Cfgwr
41
At+Cfgfr
42
At+Cfgtf
42
At+Uart
42
At+ Uartf
43
At+ Uartft
43
At+ Uartfl
43
At+ Uartte
44
At+ Send
44
At+ Recv
44
At+ Ping
44
At+Netp
45
At+ Maxsk
45
At+ Tcplk
46
At+ Tcpto
46
At+Tcpdis
46
At+Sockb
47
At+Tcpdisb
47
At+Tcptob
47
At+Tcplkb
48
At+Sndb
48
At+Rcvb
48
At+Wsssid
48
At+Wskey
49
At+ Wann
49
At+ Wsmac
50
At+ Wslk
50
At+ Wslq
50
At+Wscan
50
At+ Wsdns
51
At+ Lann
51
At+Wap
51
At+Wakey
52
At+Wamac
52
At+Wadhcp
52
At+Wadmn
53
At+Plang
53
At+Upurl
53
At+Upfile
54
At+Upweb
54
At+Upcfg
54
At+Upnvr
54
At+Upauto
55
At+Logsw
55
At+Logport
55
At+Upst
55
At+Webu
56
At+Mslp
56
At+Ntprf
56
At+Ntpen
57
At+Ntptm
57
At+Wrmid
57
At+Rlden
57
At+Aswd
58
At+Mdch
58
At+Txpwr
58
At+Lptio
59
5 Package Information
60
Recommended Reflow Profile
60
Device Handling Instruction (Module IC Smt Preparation)
60
Figure 33. Reflow Soldering Profile
60
Table 11 Reflow Soldering Parameter
60
Shipping Information
61
Appendix A: Hw Reference Design
62
Appendix B: Control Gpio/Pwm Function with Network Commands
64
B.1 Network Command
64
Hexadecimal Network Command
67
Appendix C: Http Protocol Transfer
69
C.1. HTTP at Command
69
At+ Httpurl
69
At+ Httptp
69
At+ Httpph
69
At+ Httpcn
70
At+ Httpua
70
At+ Httpdt
70
C.2. HTTP Example
70
Appendix D: Contact Information
72
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