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STD Wifi Shield (Fi250) V1.1

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Creation time: 2016-07-11 18:58:29
Update time: 2021-04-12 03:06:08
![enter image description here][1] ![enter image description here][2] ![enter image description here][3] **DESCRIPTION** Wifi Shield (Fi250) V1.1 is a economic internet solution with Arduino. The Wi-Fi module support IEEE 802.11b/g/n mode, maximum speed up to 65Mbit/s. Wifi Shield (Fi250) V1.1 combine on board antenna; it’s easy to build you project in a small box. The module reserve a UFL connector, you can use an extra antenna to improve the signal range. There is a key on the board, just push one time to change wifi shield as AP mode. The module have a computer interface software, you can control and upgrade the module via USB-UART convertor. The wifi shield contain a Micro SD card socket, it’s like a recorder when wifi shield working as TCP, UDP server. **Features:** Module: WIZnet FI250 Operating Voltage: 5V or 3.3V (Auto select) Current: 300mA (maximum) Single band:2.4GHz IEEE 802.11b/g/n Antenna: On board PCB antenna (reserver UFL connector) Memory: 1MB Flash Memory, 128KB SRAM, 1MB Serial Flash Interface: UART(default)/SPI(upgrade firmware) **Specification:** ![enter image description here][4] **Documents:** Please visit our [wiki][5] page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum. For more detail, please visit: http://www.seeedstudio.com/item_detail.html?p_id=2449 [1]: /editor/20160710/578203128506c.png [2]: /editor/20160710/5782030e2dcb4.png [3]: /editor/20160711/5783b6b652750.png [4]: /editor/20160710/5782031e340fe.png [5]: http://www.seeedstudio.com/wiki/Wifi_Shield_(Fi250)_V1.1
Design Drawing
schematic diagram
1 /
1 /
ID Name Designator Footprint Quantity
1 WIZFI250 U1 73P-28X20MM 1
4 2.54-8p-male DIGITAL,WIFI_TX,WIFI_RX 8P-2.54 3
5 1k R7,R4,R5,R6,R8,R15,R16,R17,R18,R19,R20,R21 R0603 12
6 DNP J14,J15 5P-2.54 2
7 320110033 SERIAL,I2C 4P-2.0 2
8 10uF C8,C10 C0805 2
9 100nF C9,C11,C1,C2,C3,C4,C5,C6,C7,C12,C13,C14,C15,C16,C17,C19,C20,C21,C22,C23 C0603 20
10 68k_1% R1 R0603 1
11 15k_1% R3 R0603 1
12 DNP C18 C0603 1
13 ETA3406S2F-T U4 SOT23-5 1
14 470R2A L2 L0805 1
15 4.7uH L1 L0420 1
16 74VHC125MTCX U3,U5,U6 TSSOP14 3
17 CJ2305 Q3 SOT23 1
18 33k R2 R0603 1
19 100k R9 R0603 1
20 320020015 BOOT 2P-2.54-6535MIL 1
21 SMD Button FUNCTION 2P-SMD-6.1X3.81 1
22 TS-1188E SW1 4P-SMD-7X3.5X3.5H 1
23 B0540W D3 SOD123 1
24 DNP P1 2P-SMD-1.78X1.27 1
25 ST-TF-003A J6 9P-SMD-W-RING 1
26 22uF 10V C24 AVX-A 1
27 CESD5V0D1 D2,D4 SOD123-2.7X1.6 2
28 NC DNP R10 R0603 1
29 NO 3V3 TP_4545 1
30 22k R11 R0603 1
31 206000005 U2 ARDUINO-DIM-WITH-SILK 1


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