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DLD Fri 15 Mar 2019 at 8:28:05
Raspberry Pi Arduino IDE no boardmanager

Raspberry Pi Arduino IDE no boardmanager
and preferences menu missing things

The version installed with apt get or menu->preferences->add/remove software
is not a full version
the arduino ide provided by raspberry s*x ;-(
Why?, it took me an hour to figure it out

you have to download a full version

download the tar file linux arm (for raspberry in my case)
____arduino-1.8.8-linuxarm.tar.xz in my case
unpack the file/directory
____i unpacked it to /home/pi/arduino-1.8.8 run arduino in that directory
____Wow, thats Easy to install for a linux thing

not sure what
maybe you have to execute them

now you have a full arduino ide version with board manager and more preferences

this new arduino ide is much better

hmmm, ATtiny85 digistump install board
board manager
Tool micronucleus is not available for your operating system (raspberry pi 3B+ raspbian
damn i do not wanna use my windows laptop

i2c scanner
i have an i2c port IO expander, see if it can find the adress
waiting for the mail with a i2c lcd backpack
 // --------------------------------------
// i2c_scanner
// Version 1
//    This program (or code that looks like it)
//    can be found in many places.
//    For example on the forum.
//    The original author is not know.
// Version 2, Juni 2012, Using Arduino 1.0.1
//     Adapted to be as simple as possible by user Krodal
// Version 3, Feb 26  2013
//    V3 by louarnold
// Version 4, March 3, 2013, Using Arduino 1.0.3
//    by user Krodal.
//    Changes by louarnold removed.
//    Scanning addresses changed from 0...127 to 1...119,
//    according to the i2c scanner by Nick Gammon
// Version 5, March 28, 2013
//    As version 4, but address scans now to 127.
//    A sensor seems to use address 120.
// Version 6, November 27, 2015.
//    Added waiting for the Leonardo serial communication.
// This sketch tests the standard 7-bit addresses
// Devices with higher bit address might not be seen properly.


void setup()

  while (!Serial);             // Leonardo: wait for serial monitor
  Serial.println("\nI2C Scanner");

void loop()
  byte error, address;
  int nDevices;


  nDevices = 0;
  for(address = 1; address < 127; address++ ) 
    // The i2c_scanner uses the return value of
    // the Write.endTransmisstion to see if
    // a device did acknowledge to the address.
    error = Wire.endTransmission();

    if (error == 0)
      Serial.print("I2C device found at address 0x");
      if (address<16) 
      Serial.println("  !");

    else if (error==4) 
      Serial.print("Unknown error at address 0x");
      if (address<16) 
  if (nDevices == 0)
    Serial.println("No I2C devices found\n");

  delay(5000);           // wait 5 seconds for next scan
serial monitor

I2C device found at address 0x20 !

Scanning... I2C device found at address 0x20 !
lcd i2c backpack

Hello I2C device found at address 0x27 !

Hello I2C device found at address 0x27 !

ok that works

Arduino IDE tools programmer

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