Daniel Correia 0xDBFB7

he/him

0xDBFB7 / gist:175ce009d13f9a5dd72df5b950e603ff

Created November 19, 2022 18:31

atomicthumbs' config

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0xDBFB7 / restic.sh

Created February 12, 2022 19:11

Script to perform restic backup on an LVM volume without it filling up


	# <add spaces to keep out of bash hist> export RESTIC_PASSWORD=""
	# run this command with sudo -E ./restic.sh

	########

	lvcreate -L 20G -s -n backup-snapshot /dev/new_root/lv0 \|\| exit 1
	mount /dev/new_root/backup-snapshot /home/arthurdent/NAS/backup-snapshot \|\| exit 1

	export B2_ACCOUNT_ID="XXXXXXXXXX"

0xDBFB7 / gaussian_pulses.py

Created February 12, 2021 19:52

Normalized gaussian and first gaussian derivative pulses

	# see http://www.cse.yorku.ca/~kosta/CompVis_Notes/fourier_transform_Gaussian.pdf
	# http://www.sci.utah.edu/~gerig/CS7960-S2010/handouts/04%20Gaussian%20derivatives.pdf

	def normalized_gaussian_pulse(t,fwhm):
	sigma = fwhm/2.355
	return exp(-((t*2.0)/(2.0(sigma**2.0))))

	def normalized_gaussian_derivative_pulse(t,fwhm):
	sigma = fwhm/2.355
	return (exp((1.0/2.0) - (t*2.0)/(2.0sigma*2.0))t)/sigma

0xDBFB7 / gauge.py

Created October 22, 2019 23:58

Python script to control BPG400 vacuum gauges

	#python3 script to decode the output from an Inficon BPG400 high vacuum gauge
	#or, as I prefer to call it, the BFG
	#Call like python3 gauge.py SERIALPORT h
	# for human readable output, or without h for
	# csv-compatible.
	#yittrium oxide filament!

	# 0 Length of data string 7 (Set value)
	# 1 Page number 5 (For BPG400)
	# 2 Status - Status byte

0xDBFB7 / induction.py

Created October 10, 2019 05:01

A simple Laplace solver for PHYS2231

	#python3 induction.py
	import numpy as numpy
	import math
	import matplotlib.pyplot as plt

	SIZE_X = 128
	SIZE_Y = 256

	LENGTH_SCALE = 0.01#meters/node

0xDBFB7 / attendance.txt

Created April 12, 2019 23:03

0xDBFB7 / generate.py

Last active December 23, 2018 22:07

A little ATTiny MIDI player script

	from mido import MidiFile
	mid = MidiFile('onmyown1.mid')

	NOTE_NUMBER = 129
	NOTE_DURATION_THRESHOLD = 30
	freqs = []
	times = []

	for i, track in enumerate(mid.tracks):
	print('Track {}: {}'.format(i, track.name))

0xDBFB7 / tapered_helix.py

Last active June 9, 2024 20:55

Tapered helix thread mill g-code generator

	#Need a G-code tapered helix, like a SPTM thread milled NPT thread? This is that.
	#Designed for linuxcnc, but you can just change the template G code to whatever you need.
	#WARNING! Be careful with this script. Always dry run generated code.

	#all dims. in mm.
	import math
	import numpy as np
	res = 0.01 #how accurate do you want the path to be
	thread_pitch = 1.81356 #pretty obvious.
	thread_depth = 13.71600 #how deep do you want the hole to be threaded

0xDBFB7 / download.py

Created September 4, 2017 18:53

MicroPython socket-only file download routine with cert pinning and hashing

	#DESIGNED FOR MICROPYTHON

	server_dict = [{"address": "test.com","fingerprints":[bytearray('adlfasdfekre3r2309234902302lqkejroi23ro239842342304')]}] #list of possible servers and accepted keys

	def download_file(server_dir,filename,server_index=0,block_size=512): #Boneless file downloader
	#typical socket stuff
	s = socket.socket()
	s.settimeout(60)
	ai = socket.getaddrinfo(server_dict[server_index]['address'], 443) #FIXME: This will probably do a dns lookup every time - probably shouldn't.
	addr = ai[0][-1]