Brandon Stafford pingswept

pingswept / gist:870d40ea8b82203dbe1bbebb2321b5dc

Created November 24, 2025 19:28

analog meter test code, ME 30 example fall 2025

	# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
	# SPDX-License-Identifier: MIT

	"""
	This test will initialize the display using displayio and draw a solid green
	background, a smaller purple rectangle, and some yellow text.
	"""

	import analogio
	import board

pingswept / state_machine_exercise-28.py

Last active November 3, 2025 17:47

another state machine example

	import board
	import analogio as aio
	import digitalio as dio
	import pwmio
	import time

	cw = pwmio.PWMOut(board.D6, frequency=500, duty_cycle=0)
	ccw = pwmio.PWMOut(board.D8, frequency=500, duty_cycle=0)
	motor = cw

pingswept / state_machine_exercise-27.py

Last active November 3, 2025 21:56

state machine example

	import board
	import digitalio as dio
	import time

	motor_cw = dio.DigitalInOut(board.D3)
	motor_cw.direction = dio.Direction.OUTPUT

	motor_ccw = dio.DigitalInOut(board.D4)
	motor_ccw.direction = dio.Direction.OUTPUT

pingswept / test-dragon-tail.py

Created January 8, 2023 21:43

Python code to light up a dragon's tail made of LEDs that attaches to the back of my bike.

	import time
	import board
	import neopixel
	import random

	# The number of NeoPixels
	num_pixels = 240

	# The order of the pixel colors - RGB or GRB. Some NeoPixels have red and green reversed!
	# For RGBW NeoPixels, simply change the ORDER to RGBW or GRBW.

pingswept / receive-udp.py

Created November 21, 2022 19:06

	import socket

	sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
	sock.bind(('', 5000))

	while True:
	data, addr = sock.recvfrom(4096)
	print('got packet: %s from $s' % data, addr)

pingswept / send-udp.py

Created November 21, 2022 19:02

	import socket
	sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
	sock.sendto(b"Buy a copy of Chip War today!", ("130.64.80.187", 5000))

pingswept / naive-button-check.py

Created November 1, 2022 13:28

	import board
	import digitalio as dio
	import time

	led = dio.DigitalInOut(board.LED)
	led.direction = dio.Direction.OUTPUT

	button = dio.DigitalInOut(board.D6)
	button.direction = dio.Direction.INPUT

pingswept / state-machine.py

Last active November 1, 2022 13:25

State machine example for ME 30 at Tufts

	import board
	import digitalio as dio
	import time

	led = dio.DigitalInOut(board.LED)
	led.direction = dio.Direction.OUTPUT

	button = dio.DigitalInOut(board.D6)
	button.direction = dio.Direction.INPUT

pingswept / Tufts_Secure scan 2022-07-29.txt

Created July 29, 2022 15:50

	sudo iwlist wlan0 scan essid Tufts_Secure
	wlan0 Scan completed :
	Cell 01 - Address: 70:DB:98:14:69:FF
	Channel:52
	Frequency:5.26 GHz (Channel 52)
	Quality=70/70 Signal level=-39 dBm
	Encryption key:off
	ESSID:"Tufts_Wireless"
	Bit Rates:12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s
	54 Mb/s

pingswept / fabfile.py

Created March 16, 2021 15:30

Fabric demo

	from fabric import task

	# Usage
	#
	# fab -H [email protected] --prompt-for-login-password deploy

	@task
	def deploy(c):
	hostname = c.run('hostname', hide=True).stdout
	print('\033[32;1mLogged into {0}\033[0m'.format(hostname))