https://doku.kniwwelino.lu/ 2026-06-19T09:46:18+00:00 https://doku.kniwwelino.lu/ https://doku.kniwwelino.lu/_media/favicon.ico text/html 2018-01-23T13:04:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://doku.kniwwelino.lu/en/reference/buttons?rev=1516709089&do=diff Buttons API boolean BUTTONAclicked() Check if Button A has been clicked (pressed-released) since the last check. Click state will be reset after checking, means calling this method twice it will report true, false. return true if yes, false if no. text/html 2018-01-23T13:02:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://doku.kniwwelino.lu/en/reference/kniwwelino?rev=1516708936&do=diff Kniwwelino API String getID() returns the Kniwwelinos Device ID = last 6 digits of the WIFI MAC address String getName() returns the Kniwwelinos Device Name = Kniwwelino + last 6 digits of the WIFI MAC address String getMAC() returns the Kniwwelinos WIFI MAC address text/html 2018-01-23T13:06:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://doku.kniwwelino.lu/en/reference/matrix?rev=1516709186&do=diff Matrix API void MATRIXwrite(String text, int count, boolean wait) Write the given text to the matrix and scroll it for a number of times. text = text to be shown. count = number of times the text shall be scrolled before disappearing (-1 = forever) text/html 2018-07-17T17:46:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://doku.kniwwelino.lu/en/reference/mqtt?rev=1531842394&do=diff Messaging / MQTT API void MQTTsetGroup(String group) Sets the MQTT group where all messages are sent and all subscriptions are done. Can be used to easily separate different applications/users/groups e.g. specify one group per game or one group per boards playing in the same game. text/html 2018-01-23T13:06:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://doku.kniwwelino.lu/en/reference/rgb?rev=1516709219&do=diff RGB LED API void RGBsetColor(String col) Set the RGB LED of the board to show the given color. col = color to show as String in format #FF00FF first 2 digits specify the RED, second the GREEN, third the BLUE component. void RGBsetColorEffect(String col, uint8_t effect, int count) text/html 2018-09-13T08:56:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://doku.kniwwelino.lu/en/reference/start?rev=1536821790&do=diff Programming with the Arduino IDE This section provides you information about how to use the Kniwwelino Lib in Arduino IDE. * Kniwwelino * Buttons * Matrix * RGB LED * Messaging / MQTT Installing Arduino IDE for Kniwwelino