JUNIPER- WiFi Shield for Arduino Based on GainSpan Module
  • JUNIPER- WiFi Shield for Arduino Based on GainSpan Module

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JUNIPER- WiFi Shield for Arduino Based on GainSpan Module

A low-power WiFi shield that is compatible with Arduino and STM32 Spruce board. Gainspan GS1011 module is a highly integrated ultra low power wireless single chip which contains an 802.11b radio, media access controller (MAC) and baseband processor, on-chip flash memory and SRAM, and an applications processor all on a single package.

Features:

  • Supports IEEE 802.11
  • Seamlessly integrates with existing 802.11b/g infrastructure and utilizes the 802.11 security, manageability, ease-of-use, and quality of service
  • 802.11i/WPA2 Authentication, AES Hardware encryption
  • Optimized for battery powered application with very low power consumption for multiple years of battery life
  • PCB antenna: Range 200-300M+ Outdoor (Typical Estimate)
  • Two 32-bit ARM7 CPU @44MHz, 1 for applications (APP) : 1 dedicated to radio (WLAN)
  • 2 UART , I2C, 2 SPI, 2 ADC, 3 PWM, and 32 GPIO
  • Operates at 3.3V

 Note:
As this WiFi shield shares the same UART port with FT232, when you download the programs, please remove the WiFi shield first.


Applications:
Connect to the router and mail server.
 > AT(Enter)
 OK
Effect:Check the wifi serial connection is ok or not.
 > AT+WS(Enter)
 BSSID SSID Channel Type RSSI Security
 00:12:34:56:78:90,"SOLID" ,6, INFRA, -53, NONE
 NO. O AP Found:1
OK
Effect :Search the wireless network in the certain range.
 > AT+NDHCP=1 (Enter)
OK
Effect:Permit dynamic host to set agreement.
(>AT+WWPA=Password,if router is WPA encrypted, put the password here)
(>AT+WWEP=Password,if router is WEP encrypted, put the password here)
 > AT+WA=SOLID (Enter)
 IP SubNet Gateway
 192.168.3.9 255.255.255.0 192.168.3.1
OK
Effect:Connect to the wireless network SOLID
 > AT+NCTCP=202.165.103.162,25 (Enter)
CONNECT 0
Ok
S0220 smtp105 mail.cnb.yahoo.com ESMTP
Effect:Connect to Yahoo mail box(STMP)
>1B 53 30 48 45 4C 4F 0D 0A 1B 45
> S 0 H E L O Enter   E
Return EOOS0250 smtp105.mail.cnb.yahoo.com
Effect:According to command > S0hello worldE specified by gainspan, send to Yahoo mail server by 16 hex through serial.

Notes:
1: 0D 0A is Enter. You have to add this Enter after HELO string, or there will be no data returned from Yahoo server mail box.
2: is the key esc on the keyboard and ascii code value. It doesn’t means input esc string.

 

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