oh yes… i use the Arduino nano with USB…
(as a note: i have update the plugin but the same error and pimatic crashes… and i have copy your plugin in my configuration)
I use the Arduino to switch relays over 433Mhz.
My othe plugins are:
"plugin": "cron"
"plugin": "mobile-frontend"
"plugin": "ping"
"plugin": "sunrise"
"plugin": "shell-execute"
"plugin": "openweather"
"plugin": "homeduino"
"plugin": "links
"plugin": "fritz"
"plugin": "sysinfo"
"plugin": "pushbullet"
"plugin": "johnny-five"
"plugin": "amazing-dash-button"
"plugin": "iframe"
You told that you use the j5 over your arduino. should i test that? is it a advantage to use the MCP23017 with the j5 over the arduino?