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microsteps: 128
full_steps_per_rotation: 200
rotation_distance: 7.68

run_current: .5
hold_current: 0.4

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avrdude -patmega328p -c arduino  -b 57600 -P /dev/ttyUSB0 -v  -D -Uflash:w:out/klipper.elf.hex:i

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# generated by SuperSlicer 2.3.55 on 2020-12-27 at 18:45:50 UTC

[print:0.2mm]
allow_empty_layers = 0
avoid_crossing_not_first_layer = 1
avoid_crossing_perimeters = 0
bottom_fill_pattern = monotonic
bottom_solid_layers = 3
bottom_solid_min_thickness = 0
bridge_acceleration = 0

shift

blueprint:
  name: Motion-activated Light
  domain: automation
  source_url: https://gist.github.com/shift/d3225b4bb5d658893f70ea7b8358721c#file-motion_activated-_light-yaml
  input:
    motion_entity:
      name: Motion Sensor
      selector:
        entity:
          domain: binary_sensor

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UEFI/iPXE booting Raspberry Pi for Flatcar Linux

Download and compile the following https://github.com/pftf/RPi4.git. I made the following change to edk2-platforms to always enable 3GB RAM+ as TFTP booting this seems to cause issues with it remembering the options.

diff --git a/Platform/RaspberryPi/RPi4/RPi4.dsc b/Platform/RaspberryPi/RPi4/RPi4.dsc
index c481c35342..4b495b1fe8 100644
--- a/Platform/RaspberryPi/RPi4/RPi4.dsc
+++ b/Platform/RaspberryPi/RPi4/RPi4.dsc
@@ -495,7 +495,7 @@

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; filament used [mm] = 8491.3
; filament used [cm3] = 20.4
; filament used [g] = 25.3
; filament cost = 0.6
; total filament used [g] = 25.3
; total filament cost = 0.6
; estimated printing time (normal mode) = 2h 50m 33s
; estimated printing time (silent mode) = 6h 5m 7s
; avoid_crossing_perimeters = 1
; bed_custom_model = 

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- name: coronavirus_berlin_deaths
  type: object
  path: $.features[*]
  labels:
    district: $.attributes.GEN
  values:
    count: $.attributes.Death
- name: coronavirus_berlin_cases
  type: object
  path: $.features[*]

shift

#include <stdio.h>

#define SQ(x) (x)*(x)

#define M0(x,y) SQ(x)+SQ(y)<4?0:0xe0
#define M1(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M0(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0)):0xc0
#define M2(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M1(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0xa0
#define M3(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M2(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x80
#define M4(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M3(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x60
#define M5(x,y,x0,y0) (SQ(x)+SQ(y)<4)?M4(SQ(x)-SQ(y)+(x0),2*(x)*(y)+(y0),x0,y0):0x40

shift

# This assumes a wifi only system...
wifi-menu

# Grab latest mirror list for Germany sorted by speed IPv4 only.
curl -o /etc/pacman.d/mirrorlist https://www.archlinux.org/mirrorlist/?country=DE&protocol=https&ip_version=4&use_mirror_status=on
sed -i 's/\#Server/Server/g' /etc/pacman.d/mirrorlist

# Create partitions
cgdisk /dev/nvme0n1
1 512MB EFI partition # Hex code ef00

shift

This Gist confirms the Linked Identity in my OpenPGP key, and links it to this GitHub account.

Token for proof:
[Verifying my OpenPGP key: openpgp4fpr:ad717439aa363b8ee1cf820b10bc11a32b093801]