Difference between revisions of "SWLEDX8-I2C"
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=== P1 - GPIO Pins === | === P1 - GPIO Pins === | ||
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* MCP23017 Port A connects to SWITCHES 0-7 on [[SWLEDX8]] | * MCP23017 Port A connects to SWITCHES 0-7 on [[SWLEDX8]] | ||
* MCP23017 Port B connects to LEDs 0-7 on [[SWLEDX8]] | * MCP23017 Port B connects to LEDs 0-7 on [[SWLEDX8]] | ||
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| + | [[file:SWLEDX8-I2C_P1.PNG]] | ||
=== P2 - I2C Interface === | === P2 - I2C Interface === | ||
Revision as of 12:09, 24 May 2022
Contents
Features
- 16-Bit MCP23017
- I2C interface
- I2C Daisy-Chain (In/Out) connectors
- (3) I2C Address select jumpers for up to 8 devices per I2C bus
- SCL/SDA termination jumpers
- 2x10 pins
- 59mmx38mm
- (4) #4-40 mounting holes
- SWLEDx8-I2C can be used standalone or stacked together with the SWLEDX8 card
Build Options
- There are a number of options for using the card
- Stacked option with SWLEDX8 card
- Small footprint
- Low height/profile
Stacked option with SWLEDX8 card
- SWLEDX8 card mounts above this card
- Pins can be directly mounted to both cards or male/female connector pairs can be used
_REV2.png)
Small footprint option
_REV2.png)
Low height/profile option
_REV2.png)
Rear Side Marking
_REV2.png)
Connectors
.PNG)
P1 - GPIO Pins
P2 - I2C Interface
P3 - Terminators / I2C Base Address
Mechanicals
.PNG)
Versions
Rev 2
- Functionally the same as Rev X1
- Change resistors from SMT (0805) to through hole (1/8W)
- Adds silkscreen Front/Rear
- Added test block to rear
Rev X1
- Words, no issues
