raspberry pi

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    B4J Question Pi & Watchdog Timer

    Hi All, We are considering using a Raspberry Pi as an SBC for an industrial application. The device must run 24/7 at a remote location. When using embedded systems for critical applications, we usually enable a watchdog timer, so in case of a major application failure the embedded system...
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    B4J Question Raspberry Pi & cell modules

    Hi There, I am evaluating a project that may require the usage of Raspberry Pi and a cellular modem for wireless connectivity. I know that it is possible to control the module using AT commands etc..., but I was wondering if there is a way for the OS to handle the module instead of having the...
  3. Alex Oscar Hedman

    B4J Question Problem using "ckvs.put" using B4J on raspberry pi (SOLVED)

    Hello, im having the next problem when running an UI .jar on a raspberry pi 3. The problem appears at the end of the sub that im attaching next, when I ask for "ckvs.put". I dont know if its a problem of the ckvs or the IDE, but i tried everything! 😫 This is the problem on the command window...
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    Android Question No response from remote host

    Hello! I'm making an app that revolves around Android phone and Raspberry Pi 3 communication via WiFi (by UDP packets exchange). I'm running a python script on Raspberry Pi which sends some data to the Android phone, but only when it receives a request from the phone. My question is: Is there...
  5. Cableguy

    B4J Question [ABMaterial] Why tempjars has "root" as owner and not "pi"?

    I am finally starting to run some test some "under-dev" ABMaterial samples and each time I re-upload the files to the Raspberry pi, using SFTP, I see that "tempjars" owned by "root" and not by "pi"... so I get a "permission denied" alert! So when copying, at each "permission denied" alert, I...
  6. T

    Android Question Turning on Bluetooth on Raspberry Pi 3 running Android Things

    Hi All, I have installed Android Things in a Raspberry Pi 3 board. I am trying to use the BLE2 v1.37 library of B4A v8.80 on this device. I am getting the message "Not powered on." when I run the code below. If Manager.State <> Manager.STATE_POWERED_ON Then Log("Not powered on.") Else If...
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    B4J Question Cannot open display

    "Checked Item" Return value raspberryPI install https://wimdeblauwe.wordpress.com/2017/08/26/using-javafx-on-raspberry-pi-3-with-gluon/ why ??? Cannot open display Cannot create resource Use the XRDP remote link.No screen
  8. ShaneG30

    B4J Question Raspberry Pi: Which Project Type?

    Which project type is the recommend project type for Raspberry Pi apps? Is it "UI" or Non-UI? I would think it's the Non-UI type since GUI's aren't supported by Raspberry Pi anymore.
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    B4J Question Using Raspberry Pi I2C with ADS1115 (Adafruit)

    Hello, I'm trying to communicate a raspberry pi 3 model B with ADS1115 through i2c communication, but it is not working. When I run an adafruit example in python, its works perfectly. Using and arduino Mega i can read what python example sends to ADS1115 and I tried to send the same commands...
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    B4J Code Snippet MCP9808 reading temperature

    Hello everyone, Here an example for using the MCP9808 sensor on a raspberry pi. This is only a code snippet, as it only read's the temperature. Not all the registers are implemented. Negative values aren't yet tested. This is a console application. Kind regards, Tim. *IMPORTANT UPDATE* The...