sourceperl’s gists

sourceperl / ir_motor_command.ino

Created October 7, 2017 07:17

IR robot : Pololu Zumo + DRV8835 + Arduino IRremote lib

	// from https://github.com/pololu/drv8835-motor-shield
	#include <DRV8835MotorShield.h>
	// from https://github.com/z3t0/Arduino-IRremote/
	#include <IRremote.h>

	// some consts
	#define RECV_PIN 5
	#define PWR_IR_VCC 4
	#define PWR_IR_GND 3
	#define LED_PIN 13

sourceperl / test_adafruit_io.py

Created August 6, 2017 12:38

MQTT adafruit.io test

	#!/usr/bin/env python3

	import paho.mqtt.client as mqtt
	# import ssl
	import time

	# some const
	# mqtt account
	MQTT_HOST = 'io.adafruit.com'
	MQTT_USER = '<USERNAME>'

sourceperl / test_aes128.py

Created August 3, 2017 14:26

Test of AES128 with python3

	#!/usr/bin/env python3

	from Crypto.Cipher import AES
	import hashlib
	import os

	# message to crypt with AES-128
	text = 'the secret message'

	# define 128-bit key from a text password

sourceperl / test_mkrfox.ino

Last active January 12, 2018 10:35

Test of Arduino MKRFox1200

	/*
	MKRFox1200 Test: send s counter every 15 min

	Power with 2 AA battery: under 3.18v, avg current is 1.7 ma
	*/

	#include <ArduinoLowPower.h>
	#include <SigFox.h>

	// some vars

sourceperl / relay_pulse.py

Created June 20, 2017 12:33

Command line utility to make a high pulse on relay attach to Rpi GPIO

	#!/usr/bin/env python3

	# make high pulse on relay attach to Rpi GPIO
	# see REL_PIN_MAP to fix GPIO pin number

	import time
	import argparse
	import RPi.GPIO as GPIO

	# some const

sourceperl / thingspeak

Created June 2, 2017 07:10

Command line tool to update thingspeak

	#!/bin/bash

	# Update thingspeak from command line
	# Usage : thingspeak WRITE_API_KEY DATA
	# Example : thingspeak XXXXXXXXXXXX field1=11&field2=12

	# consts
	URL="https://api.thingspeak.com/update"

	# vars

sourceperl / ds18b20_read

Created June 1, 2017 17:29

Temperature from DS18B20 on a Raspberry Pi

	#!/bin/bash

	# read DS18B20 (default is data connect on GPIO4)
	# add 'dtoverlay=w1-gpio' to /boot/config.txt to load one-wire device tree and reboot
	# test on Rpi with Raspbian Jessie

	while [ true ]
	do
	cat /sys/bus/w1/devices/28-0000040de8f8/w1_slave \| grep 't=' \| awk -F 't=' '{printf("%.2f\n", $2/1000)}'
	done

sourceperl / led_panel.py

Created May 26, 2017 07:43

Display refresh time of a thingspeak feed on a Rpi sense hat 8x8 LED matrix

	#!/usr/bin/env python3

	import http.client
	from sense_hat import SenseHat
	import dateutil.parser
	import datetime
	import schedule
	import time
	import threading
	import json

sourceperl / bubble_panel.py

Created March 29, 2017 08:59

Spirit bubble with Rpi Sense Hat: use 8x8 LEDs and accelerometer

	#!/usr/bin/env python3
	# Spirit bubble with Rpi Sense Hat: use 8x8 LEDs and accelerometer

	from sense_hat import SenseHat
	import schedule
	import time

	# some const
	RED = (255, 0, 0)
	GREEN = (0, 255, 0)

sourceperl / modbus_send.ino

Created February 1, 2017 17:12

Arduino modbus RTU frame sender (for test purpose)

	/*
	Arduino modbus RTU frame sender (for test purpose)
	*/

	// some modbus frames
	const uint8_t f1[] = {0x0a, 0x03, 0x00, 0x00, 0x00, 0x01};
	const uint8_t f2[] = {0x0b, 0x03, 0x00, 0x00, 0x00, 0x10};

	// some functions
	uint16_t crc16(const uint8_t *buf, uint8_t len)

l.lefebvre sourceperl