Goals: Add links that are reasonable and good explanations of how stuff works. No hype and no vendor content if possible. Practical first-hand accounts of models in prod eagerly sought.
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# Must be run in console to work properly | |
import numpy as np | |
import cv2 | |
import time | |
from scipy import signal | |
import matplotlib.pyplot as plt | |
import matplotlib | |
import threading | |
import scipy.signal as sig |
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/******************************************************************************* | |
TINY TACHOMETER | |
TACOMETRO C/ PIC12F675 E LCD (M�TODO LPLEX - 3 FIOS) | |
METODO: LEITURA DO PERIODO |
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//Leonardo | |
Serial_ & dbgTerminal = Serial; | |
HardwareSerial & espSerial = Serial1; | |
////UNO & M328P | |
//#include <SoftwareSerial.h> | |
//SoftwareSerial dbgTerminal(10, 11); // RX, TX | |
//HardwareSerial & espSerial = Serial; | |
// |
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#!/usr/bin/env python | |
# September 2013 | |
# by Matthew Bordignon, @bordignon on Twitter | |
# | |
# Simple Python script (v2.7x) that subscribes to a MQTT broker topic and inserts the topic into a mysql database | |
# This is designed for the http://mqttitude.org/ project backend | |
# | |
import MySQLdb | |
import mosquitto |
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#!/bin/bash | |
######################################################################### | |
# # | |
# # | |
# NATO String converter # | |
# # | |
# Description: converts string (first parameter given) # | |
# to NATO phonetics-alphabet # | |
# # |
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#!/usr/bin/perl -w | |
# Fetches BOM.gov.au radar images giving us a local mirror, including historical | |
# data. | |
# | |
# Radar images are updated every 10 minutes, but the BOM only keep the last | |
# hour and 10 minutes worth of radar images on their FTP server. With this in | |
# mind I would recommend running this script anywhere from minutely to hourly. | |
# | |
# This script is licensed CC0 by Andrew Harvey <andrew.harvey4@gmail.com> |
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#!/usr/bin/env bash | |
# bash 4.1.5(1) Linux Ubuntu 10.04 Date : 2019-01-02 | |
# | |
# _______________| noise : ambient Brown noise generator (cf. white noise). | |
# | |
# Usage: noise [minutes=59] [band-pass freq center=1786] [wave] | |
# ^minutes can be any positive integer. | |
# Command "noise 1" will display peak-level meter. | |
# | |
# Dependencies: play (from sox package) |