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monsters, brievenbussen en andere onzin

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een nieuw huis

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10 meter

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het huis 
 van de toekomst

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433MHz

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IoT is zo ongelofelijk saai

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raspberry pi met domoticz

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kippenverwarming

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brrrr!

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kippenwaterdrinkbak

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kippenwaterdrinkbakverwarmingselement

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kippenwaterdrinkbakverwarmingselementschakelaar

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kippenwaterdrinkbakverwarmingselementschakelaarthermometer

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rfxcom

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elke 30 seconden een “ping” met de temperatuur

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temperatuur onder nul → zet de verwarming aan

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zet klikaanklikuit schakelaar aan

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The “S” in IoT stands for security

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de vurige 
 heksenpot

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Doe-het-zelf IoT

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brains (oftewel microcontrollers)

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Arduino Uno
 ATmega238
 16 Mhz
 2 KB RAM
 32 KB Flash

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ESP-01
 ESP 8266 
 80 Mhz
 128 KB RAM
 512 KB Flash


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NodeMCU
 ESP 8266
 80 Mhz
 128 KB RAM
 4 MB Flash


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NodeMCU

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Neopixel
 24 serieel 
 geschakelde 
 WS2812 RGB 
 LEDs

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#include #define PIN D1 #define PIXELS 24 Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXELS, PIN, NEO_GRB + NEO_KHZ800); void setup(void) { strip.begin(); strip.setBrightness(255); strip.setPixelColor(0, strip.Color(0, 0, 255)); strip.show(); } void loop(void) { }

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int i = 0; void setup(void) { strip.begin(); strip.setBrightness(255); } void loop(void) { i = (i + 1) % PIXELS; strip.setPixelColor(i % PIXELS, strip.Color(0, 0, 0)); strip.setPixelColor((i + 1) % PIXELS, strip.Color(0, 0, 63)); strip.setPixelColor((i + 2) % PIXELS, strip.Color(0, 0, 127)); strip.setPixelColor((i + 3) % PIXELS, strip.Color(0, 0, 195)); strip.setPixelColor((i + 4) % PIXELS, strip.Color(0, 0, 255)); strip.show(); delay(8); }

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?! JavaScript? En C?
 Zo'n beetje hetzelfde. Ongeveer.
 Niet helemaal. Nee.

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IKEA SOMMAR 2017 theelichthouder

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WiFi is vast heel moeilijk…

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const char* ssid = "........"; const char* password = "........"; ESP8266WebServer server(80); void setup(void) { WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) delay(500); server.on("/on", [](){ server.send(200, "text/plain", "on"); }); server.on("/off", [](){ server.send(200, "text/plain", "off"); }); server.begin(); } void loop(void) { server.handleClient(); }

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http:/ /sparkle.local/api?command=power&status
 command=power&on
 command=power&off command=brightness&status
 command=brightness&set=50 command=color&status
 command=color&set=f34d0d

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homebridge homebridge-better-http-rgb

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siri

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?

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espruino

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pixel monsters

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Prolight 12W plafondlamp

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Neopixel
 64 serieel 
 geschakelde 
 WS2812 RGB 
 LEDs

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SD card Opslag van monsters Buzzer Piepjes voor een notificatie Lichtgevoelige weerstand Nachtstand

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ben je gek geworden? ja, geen probleem kan ik het meenemen in een vliegtuig?

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progressive
 web app

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http:/ /pixel.local

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http:/ /pixel.local

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editor.addEventListener('touchstart', handleTouch); editor.addEventListener('touchmove', handleTouch); function handleTouch(e) { for (var i = 0; i < e.changedTouches.length; i++) { let elem = document.elementFromPoint( e.changedTouches[i].pageX, e.changedTouches[i].pageY ); if (elem.tagName && elem.tagName == 'TD' && 
 editor.contains(elem)) 
 { drawPixel(elem); } } e.preventDefault(); }

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editor.addEventListener('touchstart', handleTouch); editor.addEventListener('touchmove', handleTouch); function handleTouch(e) { for (var i = 0; i < e.changedTouches.length; i++) { let elem = document.elementFromPoint( e.changedTouches[i].pageX, e.changedTouches[i].pageY ); if (elem.tagName && elem.tagName == 'TD' && 
 editor.contains(elem)) 
 { drawPixel(elem); } } e.preventDefault(); }

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let socket = new WebSocket( "ws://" + window.location.host + "/ws" ); function drawPixel(elem) { if (elem.dataset.color != currentColor) { elem.dataset.color = currentColor; elem.style.backgroundColor = '#' + currentColor; socket.send(JSON.stringify({ command: "draw", x: elem.dataset.x, y: elem.dataset.y, color: currentColor })); } }

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let socket = new WebSocket( "ws://" + window.location.host + "/ws" ); function drawPixel(elem) { if (elem.dataset.color != currentColor) { elem.dataset.color = currentColor; elem.style.backgroundColor = '#' + currentColor; socket.send(JSON.stringify({ command: "draw", x: elem.dataset.x, y: elem.dataset.y, color: currentColor })); } }

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{
 "command": "draw",
 "x": 5,
 "y": 5,
 "color": "ffffff"
 }

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{
 "command": "draw",
 "x": 5,
 "y": 5,
 "color": "ffffff"
 }

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socket.onmessage = function(msg) { let data = JSON.parse(msg.data); if (data.command == "draw") { let elem = document.querySelector( 'td[data-x=' + data.x + ']' + 
 '[data-y=' + data.y + ']' ); elem.dataset.color = data.color; elem.style.backgroundColor = '#' + data.color }; } }

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socket.onmessage = function(msg) { let data = JSON.parse(msg.data); if (data.command == "draw") { let elem = document.querySelector( 'td[data-x=' + data.x + ']' + 
 '[data-y=' + data.y + ']' ); elem.dataset.color = data.color; elem.style.backgroundColor = '#' + data.color }; } }

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demo

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het mysterie 
 van de 
 spookbrievenbus

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brieven bus

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magneetcontact

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bij openen van de deksel een signaal

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http:/ /pixel.local/api?command=notify&icon=mailbox

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oplossing #1 magneetcontact
 combineren met een 
 bewegingsdetector?

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oplossing #2 magneetcontact
 uitzetten bij 
 harde westenwind?

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oplossing #3

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de wispelturige
 wasmachine

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Standby verbruik
 4,6 watt Wasmachine uit
 0,3 watt Begin programma
 24,9 watt

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De was is klaar!

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De was is klaar! De was is klaar! De was is klaar! De was is klaar!

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2000 watt

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20 - 200 watt

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2 - 5 watt

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De was is klaar! De was is klaar! De was is klaar! De was is klaar!

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commandArray = {} if (uservariables['WasmachineBezig'] == 2) then s = uservariables_lastupdate['WasmachineBezig'] lastUpdate = os.time{ year=string.sub(s, 1, 4), month=string.sub(s, 6, 7), day=string.sub(s, 9, 10), hour=string.sub(s, 12, 13), min=string.sub(s, 15, 16), sec=string.sub(s, 18, 19) } difference = os.difftime (os.time(), lastUpdate) if (difference > 300) then commandArray['Variable:WasmachineBezig'] = '0' commandArray['OpenURL'] = 'pixel.local/api?command=notify&icon=shirt' end end return commandArray

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De was is klaar!

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bedankt! vragen? 
 
 @html5test