User Manual

VDD
J1
VDD
GND GND
R1
4K7
VDDVDD
R2
4K7
R3
4K7
SCL
SCL
SDA
SDA
J2
J3
J4
VDD
A0
A1
A2
A0
A1
A2
OE
GND
GND
C1
100nF
CH0
VDD
VDD
GND
GND
CN1
CN2
GND
GND
VDD
OE
CH1
CH2 CH3
CH4 CH5
CH6 CH7
CH8 CH9
CH10 CH11
CH12 CH13
CH14 CH15
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
CH10
CH11
CH12
CH13
CH14
CH15
R4
2K2
VDD
GND
LED
GND
SCL
OE
CN3
SDA
VDD
VDD
CN4
GND
SDA
SCL
OE
A1
2
A3
4
A2
3
A0
1
A4
5
CH0
6
CH1
7
CH2
8
CH3
9
CH4
10
CH5
11
CH6
12
CH7
13
CH8
15
CH9
16
CH10
17
CH11
18
CH12
19
CH13
20
CH14
21
CH15
22
OE
23
A5
24
EXTCLK
25
SCL
26
SDA
27
VDD
28
PCA9685PW/Q900
VSS
14
U1
AN
EN
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
MIKROBUS DEVICE CONN.
8. Code examples
MikroElektronika oers 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.
Specication 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*
3.5 138
5. Schematic
7. SMD jumper
9. Support
25.4 mm / 1000 mils
57.15 / 2250 mils
* without headers
10. Disclaimer
PWM click has a PWR SEL jumper (zero ohm
resistor) that lets you switch the board form
3.3V to 5V power supply.