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Ronnie76
, …
Andrew Chandler
4
7/14/19
Q&A
error: unreported exception UnsupportedBusNumberException; must be caught or declared to be thrown
Oh that is awesome news Geert!
unread,
MCP23017
gpio
i2c
java
pi4j
raspberrypi
rpi
Q&A
error: unreported exception UnsupportedBusNumberException; must be caught or declared to be thrown
Oh that is awesome news Geert!
7/14/19
dwa...@millersoftwaresolutions.com
12/24/17
Q&A
pi4j and MCP23017 - reading and writing device registers
I have connected an Adafruit 16x2 plate that uses the MCP23017 expander to control a 16x2 LCD display
unread,
MCP23017
gpio
i2c
java
pi4j
Q&A
pi4j and MCP23017 - reading and writing device registers
I have connected an Adafruit 16x2 plate that uses the MCP23017 expander to control a 16x2 LCD display
12/24/17
GeertVc
,
Robert Savage
2
2/8/17
Q&A
Measuring time between press and release of a button?
Hi GertVc, Nothing like that exists currently at the GPIO layer. However, there is a "Button
unread,
MCP23017
gpio
i2c
Q&A
Measuring time between press and release of a button?
Hi GertVc, Nothing like that exists currently at the GPIO layer. However, there is a "Button
2/8/17
Bashar A.Asaad
10/12/16
Q&A
SerialDataEvent.lenght = 0 ?????
Hello all SerialDataEvent.lenght = 0 ????? i must put this code if (SerialDataEvent.length() != 0 )
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MCP23008
MCP23017
gpio
java
pi4j
raspberrypi
serial
Q&A
SerialDataEvent.lenght = 0 ?????
Hello all SerialDataEvent.lenght = 0 ????? i must put this code if (SerialDataEvent.length() != 0 )
10/12/16
GeertVc
2
8/21/16
Q&A
GpioProviderBase: cache array too small when passing MCP23017 pins, even with the dynamic improvments done (see Fix #224)
I think I can already answer the question I asked at the end of the above post myself: I've seen
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MCP23017
gpio
i2c
Q&A
GpioProviderBase: cache array too small when passing MCP23017 pins, even with the dynamic improvments done (see Fix #224)
I think I can already answer the question I asked at the end of the above post myself: I've seen
8/21/16
Tom Tibbetts
,
Robert Savage
4
4/23/16
Q&A
Introducing a new way to configure the Raspberry Pi using a web interface.
Code repository is posted: https://github.com/tomtibbetts/Breezy I finally learned basic Github and
unread,
MCP23017
gpio
java
jdk8
pi-face
pi4j
piface
raspberrypi
Q&A
Introducing a new way to configure the Raspberry Pi using a web interface.
Code repository is posted: https://github.com/tomtibbetts/Breezy I finally learned basic Github and
4/23/16
Bryce Renninger
, …
Andrew Chandler
3
12/3/15
Q&A
Pi4J, LCD and MCP23017 expander
Could a variation of the one I wrote for the 8468 (not sure that's the right number) i2c backpack
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MCP23017
Q&A
Pi4J, LCD and MCP23017 expander
Could a variation of the one I wrote for the 8468 (not sure that's the right number) i2c backpack
12/3/15
GeertVc
,
Robert Savage
3
6/26/15
Q&A
Caching issue with relay component?
First off... Sorry for the very late reply. I've tried the following code (equivalent to the
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MCP23017
gpio
Q&A
Caching issue with relay component?
First off... Sorry for the very late reply. I've tried the following code (equivalent to the
6/26/15
Alex Konshin
,
Pi4J
2
8/24/13
Run Java application for MCP23017 without root permissions? Yes, it is possible!
Thank's for sharing that. If someone has asked that question, I'm not sure I would have
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MCP23017
Run Java application for MCP23017 without root permissions? Yes, it is possible!
Thank's for sharing that. If someone has asked that question, I'm not sure I would have
8/24/13
Robert Savage
,
Alex Konshin
3
8/24/13
Announcement
Support added for MCP23008 and MCP23017
I reviewed Pi4J source code and I found many problematic places with race condition. For example,
unread,
MCP23008
MCP23017
gpio
Announcement
Support added for MCP23008 and MCP23017
I reviewed Pi4J source code and I found many problematic places with race condition. For example,
8/24/13