sourceperl

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import dateutil.parser
import requests
import pandas as pd
import matplotlib.pyplot as plt
import time

sourceperl

#!/usr/bin/env python3

import matplotlib.pyplot as plt
import networkx as nx


class GasGraph(nx.Graph):
    def update(self):
        for node in self:
            # Valve

sourceperl

#!/usr/bin/env python3

# auto-build modbus flow map graph on a tk canvas

import threading
import tkinter as tk
from scapy.all import *
import networkx as nx

sourceperl

/*
  ESP8266 periodic upload an integer to thingspeak, set ESP to deep sleep between sends 
  and use RTC memory for variable persistence. Use http and mqtt update.

  For leave deep sleep mode we need a jumper between RST and D0 (GPIO16/WAKE) so don't uses LED_BUILTIN here.

  Test on nodemcu v2.

  This example code is in the public domain.
*/

sourceperl

/*
  1000 pulses generator (100ms width/5 Hz)
  
  Send pulseCount to MOSFET transitor connect to D2 pin.
  Push FLASH button (link to D3) to start generator.
  Push RST button to stop generator and clear counter.
  
  Test with ESP-12 on nodemcu.
  
  This example code is in the public domain.

sourceperl

#!/usr/bin/env python3

# RN2483 point to point test
# open serial link, init and display rx frames

import argparse
import serial

# some functions
def send_cmd(cmd):

sourceperl

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import dateutil.parser
import requests
import pandas as pd
import datetime

# some consts
NAN = float('nan')

sourceperl

#!/usr/bin/env python

import RPi.GPIO as GPIO
import time
import os, sys
import signal

GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(31, GPIO.OUT)

sourceperl

#!/usr/bin/env python3

# build a square signal from sum of sin

import matplotlib.pyplot as plt
import numpy as np
from scipy import signal

# number of samples
Ns = 2000

sourceperl

#!/usr/bin/env python3

import random

key8 = ''.join(random.choice('0123456789ABCDEF') for n in range(16))
key16 = ''.join(random.choice('0123456789ABCDEF') for n in range(32))

print("generate 8 bytes key: %s" % key8)
print("generate 16 bytes key: %s" % key16)