buzztiaan

// cheerlights attempt using that mqtt service somewhere
// buZz NURDspace
// nov 2018

// rebuilt from adafruits' mqtt_esp8266_callback example

#include <ESP8266WiFi.h>
#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"
#include "Adafruit_NeoPixel.h"

buzztiaan

say, you make a new bitcoin address and leave it in your copy paste buffer
then you remember you had to send 1M dogecoin, and paste the address by accident

OMG COINS LOST

or are they?

background of the method this uses ; 
https://www.reddit.com/r/btc/comments/6z56x3/attention_benevolent_bch_miners_a_bch/

buzztiaan

#!/bin/bash

# bip32 derived address display thingy with transaction notification
# buZz github.com/buzztiaan

# democlip on https://www.youtube.com/watch?v=e_V9V7n2p_I

# depends on:
#  - pycoin (with small patch for DOGE : https://github.com/richardkiss/pycoin/issues/332)
#  - jq

buzztiaan

buzztiaan

/***************************************************
  Adafruit MQTT Library ESP8266 Example

  Must use ESP8266 Arduino from:
    https://github.com/esp8266/Arduino

  Works great with Adafruit's Huzzah ESP board & Feather
  ----> https://www.adafruit.com/product/2471
  ----> https://www.adafruit.com/products/2821

buzztiaan

#!/usr/bin/perl -w
use IO::Socket::INET;
use Time::HiRes qw( gettimeofday tv_interval usleep );

my $sock = new IO::Socket::INET(PeerAddr => '10.208.42.159',
                PeerPort => 5003,
                Proto => 'udp', Timeout => 1) or die('Error opening socket.');


my $x;

buzztiaan

// Pixelflut on a ESP8266 with a HD44780 on a PCF8574 'i2c lcd backpack'
// yeah pretty silly :)
// 2019-09-18 buZz NURDspace.nl

#include <LiquidCrystal_PCF8574.h>
#include <Wire.h>
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>

#define MAXBUF 4096

buzztiaan

#!/bin/sh

now=$(date +%s)
dayago=$(( $now - 86400 ))

prevstate="banana";

totaldischargetime=0;

while read -r line; do

buzztiaan

buzztiaan

// esp8266 pixelflut server with a SSD1306 oled 128x64 screen
// only ascii PX x y RRGGBB\n supported for now, no SIZE or RRGGBBAA or binary protocol

#include <Wire.h>
#include "SSD1306Wire.h"
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>

#define MAXBUF 4096