murilopontes’s gists

murilopontes / pid_classic.cpp

Created January 1, 2015 19:59

	class PID_classic {
	private:
	float error_bak = 0;
	float error = 0;
	float error_integration = 0;
	float error_derivate = 0;

	public:
	float target =0; // user target value
	float system_feedback = 0; // system sensor

murilopontes / esp8266-esp01-relay-web-mqtt.ino

Created April 26, 2015 12:49

ESP8266 ESP-01 relay control using Web server or MQTT



	#include <PubSubClient.h>
	#include <ESP8266WiFi.h>
	#include <ESP8266WebServer.h>

	const char* wifi_ssid = "XXXXX";
	const char* wifi_password = "XXXXX";
	char* mqtt_server = "iot.eclipse.org";
	char* mqtt_user = "";

murilopontes / dog.sh

Last active August 9, 2022 06:06

Openwrt watchdog script

	#!/bin/sh

	# save dog.sh in /root/dog.sh.
	# You can use winscp with scp protocol to do this.
	# Using ssh set executation permission and replace the crontab:
	# chmod +x /root/dog.sh
	# echo "* * * * * /root/dog.sh" \| crontab -

	# fix wpad / wpad-mini / hostapd stop working bug
	logread -l 100 \| grep -n "IEEE 802.11: did not acknowledge authentication response"

murilopontes / esp_rtc.ino

Created May 31, 2016 12:15

ESP rtc user data

	void setup(){
	#define RTC_MEM ((volatile uint32_t*)0x60001200)
	#define RTC_USER_DATA_START_OFFSET 32
	#define RTC_USER_DATA_END_OFFSET 126
	#define RTC_USER_DATA_CRC_OFFSET 127

	//print current values
	for(int i=0;i<128;i++){
	Serial.printf("offset %d: %04x\r\n",i,RTC_MEM[i]);
	}

murilopontes / tcp-listen-all.py

Last active August 14, 2016 11:37

murilopontes / increase-limits.sh

Created August 14, 2016 11:35

	ulimit -s 256
	ulimit -i 1000000
	ulimit -n 1000000
	ulimit -a
	echo 1000000 > /proc/sys/kernel/threads-max
	cat /proc/sys/kernel/threads-max
	echo 1000000 > /proc/sys/vm/max_map_count
	cat /proc/sys/vm/max_map_count
	echo 1000000 > /proc/sys/kernel/pid_max
	cat /proc/sys/kernel/pid_max

murilopontes / create-tls-ca.sh

Created August 15, 2016 13:06

	#! /bin/bash

	# CREATE openssl.cnf if it doesn't exist

	function banner()
	{
	echo
	echo "*****************************************************************";
	echo "$@"
	echo "*****************************************************************";

murilopontes / ubuntu-14.04-install-postgresql-9.4.sh

Last active August 22, 2016 20:56

	#!/bin/bash

	#add repo
	echo deb http://apt.postgresql.org/pub/repos/apt/ trusty-pgdg main > /etc/apt/sources.list.d/pgdg.list
	#add key for repo
	wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc \| sudo apt-key add -
	#get new list of packages
	sudo apt-get update
	#install
	apt-get install postgresql-9.4

murilopontes / setup-openvpn-server.sh

Last active September 2, 2016 11:43

	#!/bin/bash

	#apt-get update
	apt-get install -y openvpn easy-rsa
	make-cadir /opt/openvpn-ca
	cd /opt/openvpn-ca
	source vars
	./clean-all
	./build-ca --batch
	./build-key-server --batch server

murilopontes / openvpn-sever-windows.ovpn

Created August 30, 2016 22:32

Murilo Pontes murilopontes