vsefer

sudo apt install sane-airscan printer-driver-escpr cups simple-scan

vsefer

import time
import sys
import os
import subprocess
import digitalio
import board
import threading
from PIL import Image, ImageDraw, ImageFont
from socket import error as socket_error
from datetime import datetime

vsefer

#!/bin/bash

# sudo apt-get install mpc jq curl wget

MPD_PORT=6600
HTTP_PORT=6680

RPC_HOST=http://localhost:$HTTP_PORT/mopidy/rpc
TRACK_ARTWORK=/tmp/cover-art-img
DEFAULT_ARTWORK=some-default-picture

vsefer

import time
import sys
import os
import digitalio
import board
from PIL import Image, ImageDraw, ImageFont
from datetime import datetime
import adafruit_rgb_display.ili9341 as ili9341
import adafruit_rgb_display.st7789 as st7789  # pylint: disable=unused-import
import adafruit_rgb_display.hx8357 as hx8357  # pylint: disable=unused-import

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pi@scarlett:~ $ cat mopidy_display_ili9341.py 
"""
This will show some Linux Statistics on the attached display. Be sure to adjust
to the display you have connected. Be sure to check the learn guides for more
usage information.
 
This example is for use on (Linux) computers that are using CPython with
Adafruit Blinka to support CircuitPython libraries. CircuitPython does
not support PIL/pillow (python imaging library)!
"""

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sudo apt install cmake libpulse-dev libsbc-dev libavcodec-dev fdkaac libbluetooth-dev libltdl-dev libdbus-glib-1-dev libfdk-aac-dev
git clone https://github.com/EHfive/pulseaudio-modules-bt.git
cd pulseaudio-modules-bt/
git submodule update --init
git -C pa/ checkout master
mkdir build && cd build
cmake -DFORCE_LARGEST_PA_VERSION=ON ..

-- The C compiler identification is GNU 9.2.1
-- Check for working C compiler: /usr/bin/cc

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/* vsefer@x220 ~ $ cat ~/.config/gtk-3.0/gtk.css */
headerbar.default-decoration {
 padding-top: 2px;
 padding-bottom: 2px;
 min-height: 0px;
}

headerbar.default-decoration button.titlebutton {
 padding: 0px;
 min-height: 0px;

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long readVcc() 
{ long result; 
// Read 1.1V reference against AVcc 
ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1); 
delay(2); // Wait for Vref to settle 
ADCSRA |= _BV(ADSC); // Convert 
while (bit_is_set(ADCSRA,ADSC)); 
result = ADCL; 
result |= ADCH<<8; 
result = 1126400L / result; // Back-calculate AVcc in mV 

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long readVcc() 
{ 
  long result; 
  // Read 1.1V reference against AVcc 
  ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1); 
  delay(2); // Wait for Vref to settle 
  ADCSRA |= _BV(ADSC); // Convert 
  while (bit_is_set(ADCSRA,ADSC)); 
  result = ADCL; 
  result |= ADCH<<8; 

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