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MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.  
Specification and information contained in the present schematic are subject to change at any time without notice. Copyright © 2014 MikroElektronika. All rights reserved.

5. WiFi2 click

 board schematic

8. Support

7. Code examples

MikroElektronika  offers  free tech support 
(www.mikroe.com/support)
 until the end 
of the product’s lifetime, so if something 
goes wrong, we’re ready and willing to help!

Once you have done all the necessary 
preparations, it’s time to get your click

 board 

up and running. We have provided examples 
for mikroC

, mikroBasic

 and mikroPascal

 

compilers on our Libstock website. Just 
download them and you are ready to start.

WiFi 2 click

 features a PCB trace antenna, 

designed for the 2400–2483.5 MHz 
frequency band. 

.com

6. PCB antenna

G

N

D

10

G

N

D

11

G

N

D

12

G

N

D

13

G

N

D

14

N

/A

15

N

/A

16

N

/A

17

N/A

18

VDD

19

GND

20

GND

21

GND

22

GND

23

GND

24

GND

25

GND

26

G

N

D

27

G

N

D

28

RS

T_

N

29

RX

30

TX

31

IO

4

32

IO

3

33

IO

2

34

IO1

1

IO0

2

GND

3

GND

4

GND

5

GND

6

VDD_2

7

GND

8

ANT

9

G

N

D

35

G

N

D

36

G

N

D

37

G

N

D

38

HLK-M30

U1

AN

RST

CS

SCK

MOSI

MISO

+3.3V

GND

PWM

INT

RX

TX

SCL

SDA

+5V

GND

MIKROBUS DEVICE CONN.

VCC-3.3V

VCC-3.3V

C2

100nF

VCC-3.3V

C1

100nF

R1

2K2

ANT

GP0

GP1

G

P2

D

EF

W

IF

I_

LE

D

Tx Rx RS

T#

Tx

Rx

RST#

DEF

R2

10K

R3

10K

VCC-3.3V

VCC-3.3V

C4

10nF

C3

10nF

R4

4K7

STAT

VCC-3.3V

PWR

VCC-3.3V

WIFI_LED

GP0

GP1

GP2

1

2

ANT

R5

0

ANT

C5

NC

C6

NC

1

2

3

4

GPIO

C7

10pF

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