jaylandro / sym-array-diff.js

Last active March 13, 2021 22:04

Symmetrical Array diff in JavaScript

	function arrayDiffSym(arr1, arr2) {
	return [
	...arr1.filter(item => !arr2.includes(item)),
	...arr2.filter(item => !arr1.includes(item)),
	];
	}

jaylandro / json-schema-validator.js

Created March 14, 2021 00:26

JSON Schema Validatior

	const rootSchema = {
	$schema: "http://json-schema.org/draft-04/schema#",
	title: "Person",
	description: "A person",
	type: "object",
	properties: {
	name: {
	description: "A person's name",
	type: "string",
	},

jaylandro / circuit-python-qtpy-neopixel

Last active January 15, 2022 15:29

	# -------------------------------------------------------------------- #
	# CircuitPython Analog In detection set RGB to random color example
	# -------------------------------------------------------------------- #

	import time, board, neopixel, random
	from analogio import AnalogIn

	analog_in = AnalogIn(board.A1)
	led = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1)

jaylandro / random-neopixel-blink-with-plotter

Created January 29, 2022 18:35

	import time
	import random
	import board
	import neopixel

	pixels = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.3)

	while True:
	rgbVar = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
	pixels.fill(rgbVar)

jaylandro / QtPy Circuit Python M0 External LED Blink

Created February 9, 2022 06:42

QtPy Circuit Python M0 External LED Blink

	"""CircuitPython Essentials Digital In Out example"""
	import time
	import board
	from digitalio import DigitalInOut, Direction

	# LED setup.
	# For QT Py M0. QT Py M0 does not have a D13 LED, so you can connect an external LED instead.
	led = DigitalInOut(board.SCK)
	led.direction = Direction.OUTPUT

jaylandro / code.py

Created February 20, 2022 00:21

Qtpy simple blink example circuit python

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

	"""
	Blink example for boards with ONLY a NeoPixel LED (e.g. without a built-in red LED).
	Includes QT Py and various Trinkeys.

	Requires two libraries from the Adafruit CircuitPython Library Bundle.
	Download the bundle from circuitpython.org/libraries and copy the

jaylandro / Adafruit_SH1107.ino

Created February 21, 2022 15:35

Adafruit_SH1107 for Arduino IDE and Qt PY

	/*********************************************************************
	This is an example for our Monochrome OLEDs based on SH1107 drivers

	This example is for a 128x128 size display using I2C to communicate

	Adafruit invests time and resources providing this open source code,
	please support Adafruit and open-source hardware by purchasing
	products from Adafruit!

	Written by Limor Fried/Ladyada for Adafruit Industries.

jaylandro / 16x8-LED-backpack-draw-matrix-array.py

Created March 4, 2022 20:24

Use a 2 dimensional array to display images on a 16x8 led matrix display (Adafruit, QtPy, LED backpack) CircuitPython

	# Import all board pins.
	import time
	import board
	import busio

	from adafruit_ht16k33 import matrix

	i2c = busio.I2C(board.SCL, board.SDA)

	matrix = matrix.MatrixBackpack16x8(i2c)

jaylandro / install-nodejs-on-raspberrypi-armv6.md

Last active March 8, 2022 17:57 — forked from davps/install-nodejs-on-raspberrypi-armv6.md

Steps to install nodejs on Raspberry Pi B+ (armv6)

Steps to install nodejs v6.2 on Raspberry Pi B+ (armv6)

cd ~
wget http://nodejs.org/dist/v6.2.1/node-v6.2.1-linux-armv6l.tar.gz
tar -xzf node-v6.2.1-linux-armv6l.tar.gz
node-v6.2.1-linux-armv6l/bin/node -v

The last command should print v6.2.1.

Now you can copy it to /usr/local

jaylandro / emoji-weather-map.js

Created April 9, 2022 23:12

Javascript object map of weather conditions and emoji

Jay jaylandro