WiFly click carries RN-131, a standalone, embedded wireless LAN module. It allows you to connect your devices to 802.11 b/g wireless networks. Preloaded firmware simplifies integration. The mikroBUS UART interface alone (RX, TX pins) is sufficient to establish a wireless data connection (with speeds up to 1 Mbps); the module is controlled with simple ASCII commands (for scanning, authenticating and connecting to Wi-Fi networks). Multitude of networking applications are built in: DHCP, UDP, DNS, ARP, ICMP, TCP, HTTP client, and FTP client. Additional functionality is provided by RST, WAKE, RTSb and CTSb pins. 3.3V power supply only.
|Applications||Easily connect to wireless networks for IoT, telemetry, remote equipment monitoring, data logging|
|On-board modules||RN-131 embedded wireless LAN module|
|Key Features||Qualified 2.4-GHz IEEE 802.11 b/g transceiver. Onboard ceramic chip antenna and connector for external antenna|
|Key Benefits||Preloaded firmware simplifies integration. Controlled through ASCII commands|
|Click board size||L (57.15 x 25.4 mm)|
WiFly click is the quickest way to add WiFi to your devices. The click features the well-known RN131 802.11 b/g Wi-Fi module from Microchip. With preloaded firmware and built in networking stacks, the integration of the WiFly click is really easy. RN131 is controlled with simple ASCII commands (for scanning, authenticating and connecting to Wi-Fi networks).
The RX, TX (UART) pins alone are enough for making a wireless data connection with speed up to 1 Mbps.
RN131 is a fully qualified and Wi-Fi certified 2.4 GHz IEEE 802.11 b/g transceiver. It is so power efficient it can run on two standard AAA batteries for years, considering it uses 40 mA (Rx) and 210 mA (Tx) when awake and 4 uA when it is in sleep mode. When it comes to speed, RN131 can wake up, connect to a wireless network, send data, and return to sleep mode in less than 100 milliseconds.
WiFi Protected Setup (WPS) protocol is designed for easy and secure establishment of wireless home networks. This protocol is meant to allow users who know little about wireless security to configure their WiFi Protected Access (WPA) without any trouble.
RN131 has built-in TCP/IP stack and networking applications, DHCP client, DNS client, ARP, ICMP ping, FTP client, Telnet, HTTP, UDP, and TCP. This makes it ideal for connecting IoT devices to wireless networks, for home automation systems, handheld devices, etc.
This table shows how the pinout on WiFly click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
|NC||1||AN||PWM||16||AP||Soft AP mode and factory reset.|
|Module reset, Active Low||RST||2||RST||INT||15||NC|
|Force the module to wakeup||WAKE||3||CS||TX||14||UART-TX||UART data Transmit|
|NC||4||SCK||RX||13||UART-RX||UART data Receive|
|NC||5||MISO||SCL||12||RTSb||UART Request To Send|
|NC||6||MOSI||SDA||11||CTSb||UART Clear To Send|
|+3.3V power input||+3.3V||7||+3.3V||+5V||10||NC|
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