99 questions
How do I connect Raspberry pi to a landline phone at home and use it as a programmable analog phone? I would like to know if there is a way to communicate with incoming and outgoing calls and voice as...
Thank you for your help.I'd like to extract red and green colors from the image and enclose the color dot group in a rectangle, but I can't try any HSV pattern.Blue is working well now, but it's partl...
I used RaspberryPi3B+ as an infrared remote control and used it for lighting.At one point, the update failed and 3B+ stopped booting, so I re-entered the operating system.Then, I couldn't operate with...
Using the LSM9DS19 axis inertia measurement module, we have created a program that repeats the acquisition and display of acceleration, gyro, magnetism, and temperature sensor values over an I2C conne...
*You may not understand the ByteIO completely.Please understand.As a flow, P Take a picture with PiCamera and save it to the variable stream① Save stream to another variable stream_save② Process strea...
I tried using the code below, but it turned out to be SecurityException and could not be configured.I set WRITE_SETTINGS for the manifest, but is it not possible to use it?Caused by: java.lang.Securit...
I checked the ffmpeg encoding as not found libx264, but it wasn't in /usr/lib/, so I tried to install it, but I couldn't do it many times, so I asked this question.I downloaded x264 on git clone and c...
Installing the current latest version of Raspbian will boot to a desktop environment called PIXEL.I wanted to change this to Xfce4.# update-alternates --config x-window-managerIn , select /usr/bin/xfw...
I would like to connect the USB device (sensor) to the Raspberry Pi and use PyUSB to communicate data.The programming language is Python.Now, pyusb, libusb are already installed, but I get the followi...
I'd like to create an app that measures carbon dioxide with raspies and sensors and sounds an alarm if it's too high, but I'd like to ask if it's possible to get carbon dioxide values with the followi...
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