Schematic

0.1uF
GND
10K
10K
OPENMV3
PCA9685GND
10uF
GND
VCC
GND
VCC
GND
VCCVCC
220R
220R
220R
220R
220R
220R
220R
220R
10K
GND GND
3V3
3V3
GND
10K
C1
R2
R1
VIN
27
GND
28
MISO
12
MOSI
11
SCLK
13
SSEL
14
U$2
3.3V
18
PWM1
26
PWM2
25
TXD/SCL
15
RXD/SDA
16
ADC/DAC
17
SWC
21
SWD
22
RESET
24
BOOT
23
U1
PWM0
6
PWM1
7
PWM2
8
PWM3
9
PWM4
10
PWM5
11
PWM6
12
PWM7
13
PWM8
15
PWM9
16
PWM10
17
PWM11
18
PWM12
19
PWM13
20
PWM14
21
PWM15
22
GND
14
SDA
27
SCL
26
#OE
23
EXTCLK
25
A0
1
A1
2
A2
3
A3
4
A4
5
A5
24
VDD
28
C2
JP1
1
2
3
JP2
1
2
3
JP3
1
2
3
JP4
1
2
3
JP5
1
2
3
JP6
1
2
3
JP7
1
2
3
JP8
1
2
3
R4
R5
R6
R7
R8
R9
R10
R11
R3
R12
SJ1
SDA
SDA
SCL
SCL
PWM0
PWM0
PWM1
PWM1
PWM2
PWM2
PWM3
PWM3
PWM4
PWM4
PWM5
PWM5
PWM6
PWM6
PWM7
PWM7
PWM8
PWM9
PWM10
PWM11
PWM12
PWM13
PWM14
PWM15
OE
A5
2
A
B
C
D
E
1 2 3 4 5 6 7 8
A
B
C
D
E
1 2 3 4 5 6 7 8
Date: 6/4/17 9:00 PM Sheet: 1/1
REV:
TITLE:
Document Number:
servo
PCA9685
16 Channel 12-Bit PWM
VDD: 2.3-5.5V IO: 5V Safe
Output: 25mA Each/400mA Total
GND EXTCLK when not in use!
I2C Address: 1[A5..A0][R/W]
Copyright (c) 2017 OpenMV LLC <[e-mail]>
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 License.
To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/