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AN

RST

CS

SCK

MOSI

MISO

+3.3V

GND

PWM

INT

RX

TX

SCL

SDA

+5V

GND

MIKROBUS DEVICE CONN.

R2

120

GND

VCC

GND

VCC

1

2

3

LD2

GND

VCC

R6

1K

R7

N/A

R10

4K7

3.3V

5V

VCC

VCC

R1

2K2

GND

LD1

GND

GND

GND

3m

m

DETECTING OBJECT SURFACE

1

2

4

3

EMITTER

COLLECTOR

ANODE

CATHODE

GP2S700HCP

S1

R8

5K6

R9

0R

GND

VCC

GND

VCC

P1

VCC

R5

4K7

GND

R3

3K3

R4

6K8

8

7

6

5

4

3

2

1

LM2903

1OUT
1IN-
1IN+
GND

VCC

2OUT

2IN-

2IN+

U1

LM2903

M1

DMG3420U

C1

2.2uF

VCC

R11

0R

C2

100nF

GND

8. 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.

.com

6. Dimensions

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 © 2015 MikroElektronika.
All rights reserved.

mm

mils

LENGTH

57.15 2250

WIDTH

25.4

1000

HEIGHT*

7.62

300

5. Schematic

9. Support

25.4 mm / 1000 mils

57.15 / 2250 mils

* without headers

10. Disclaimer

A  different  type  of  photo  interrupter,  one  in 
which the emitter and receiver face each other 
is also available, with IR eclipse click

. Visit: 

www.mikroe.com/click/ir-eclipse

7. IR eclipse click

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