IVPORT Raspberry Pi Camera Module Multiplexer IVPORT which is the first Raspberry Pi (also Raspberry Pi B+ and ODROID-W compatible) Camera Module multiplexer is designed to make possible connecting more than one camera module to Raspberry Pi. Multiplexing can be controlled by 3pins for 4 camera modules, 5 pins for 8 camera modules and 9 pins for 16 camera modules with using GPIO.
IVPORT Documentation Ivport has 5 FFC (flexible flat cable) connectors that make possible to connect more than one Camera Module to Raspberry Pi board. 3 of them are placed to top side of Ivport and 2 of them are placed to bottom side of Ivport.
Assembly Header of Ivport Ivport's headers are shipped separated because stackable option may not be preferred and extra high pins may exists problems. It is needed to cut 2x18 Long Pin Female header into two pieces with one of them 2x13 and other 2x3. 2X13 Long Pin Female header should be soldered as shown like above picture (“Ivport” and “Ivmech” labels and “Input Socket” should be on top when it is attached to Raspberry Pi board).
Jumper Settings There are pinout configuration jumpers on Ivport's both sides. They make possible to connect Ivport's each other with stackable headers. Also they are used to configure Ivport's pinouts if predefined pins have been already using for other purpose.
Bottom View
Top View
There are 4 pair jumpers coded as A, B, C, D. One pair of these jumpers should be soldered with determining from below table before Ivport is used. Each coded jumpers are placed boards both sides. Therefore if “Enable 1 → Pin 11” and “Enable 2 → Pin 12” option was chosen therefore “A” labeled jumpers should be soldered. Jumper A
Jumper B
Jumper C
Jumper D
Enable 1
Pin 11
Pin 15
Pin 21
Pin 23
Enable 2
Pin 12
Pin 16
Pin 22
Pin 24
Selection
Pin 7
Pin 7
Pin 7
Pin 7
Attaching Board After headers and jumpers are soldered, Camera Module can be attached to Ivport with using its flexible flat cable to preferred connector. Also one more flexible flat cable (same as Camera Module's) needed for connection between “Raspberry Pi Camera Input” and “Ivport Input”. After flexible flat cable connection, Ivport can be attached to Raspberry Pi's GPIO headers.
Truth Table Ivport's functional states can be configured with digital signals as shown at below table. Camera
Enable 1
Enable 2
Selection
Camera 1
0
1
0
Camera 2
0
1
1
Camera 3
1
0
0
Camera 4
1
0
1
No Camera
1
1
X
Error
0
0
X
These signals can be controlled with directly using Raspberry Pi's GPIO capabilities. GPIO can be controlled with using GPIO libraries or low level programming. https://github.com/ivmech/ivport Also Revision 2 and Revision 3 boards has extra jumper for pins for Camera Module's voltage regulator power. It should be soldered “3V3” labelled jumper for continuous switching capability from every Camera Modules.
IVPORT which is the first Raspberry Pi (also Raspberry Pi B+ and ODROID-W compatible). Camera Module multiplexer is designed to make possible connecting ...
Pi 3 compatible) Camera Module multiplexer is designed to make possible connecting more than one camera module to Raspberry Pi. Multiplexing can be ...
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