Run Raspberry 3 in digital signage mode with Chromium Web browser on a TV screen
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/* | |
A (neat) cheat way of getting the HC-SR04 distance sensor working on an Arduino Uno | |
put it in the end, with the GND aligned with the GND pin next to pin 13 and AREF | |
This example code is in the public domain. | |
*/ | |
// Pin 13 has an LED connected on most Arduino boards. | |
// give it a name: |
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#!/usr/bin/env ruby | |
# | |
# This bit of code lets you define Environment variables in your shell via a YAML file. | |
# It works by composing Bash commands from the parsed data, meant to be executed within | |
# a Bash environment, which will export the variables just as in a regular Bash profile. | |
# This is accomplished by executing this script via the Bash substitution syntax $(...) | |
# which returns the output of evaluating whatever is inside the parenthesis, which in | |
# the case of this script would be appropriate 'export' commands that are run by Bash. | |
# | |
# This version is designed to parse aliases organized under named groups in the YAML |
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# ported from http://www.gizma.com/easing/ | |
# by http://th0ma5w.github.io | |
# | |
# untested :P | |
import math | |
linearTween = lambda t, b, c, d : c*t/d + b |