Frédéric Blanc » IOT DR

h1. DotMatrixDisplay

h2. Hardware

!clipboard-202004171728-s7l4w.png!

https://majicdesigns.github.io/MD_MAX72XX/page_f_c16.html

<pre><code>

// ESP8266 PIN configuration

#define HARDWARE_TYPE MD_MAX72XX::FC16_HW       //PAROLA_HW GENERIC_HW ICSTATION_HW

#define CLK_PIN   D5  // Matrix CLK

#define DATA_PIN  D7  // Matrix DIN

#define CS_PIN    D6  // Matrix DS

</code></pre>

h2. Software

code exemple

http://sarakha63-domotique.fr/afficheur-led-matrixled-jeedom/

https://github.com/MajicDesigns/MD_Parola

version light

document:"code light DotMatrixDisplay"

mise a jour du code ArduinoJson 5 -> ArduinoJson 6

<pre><code>

// ArduinoJson 5

//StaticJsonBuffer<512> jsonBuffer;

//JsonObject& root = jsonBuffer.parseObject((char*)payloadcopy);

//if (!root.success()) {

// ArduinoJson 6

  DynamicJsonDocument root(1024);

  DeserializationError error = deserializeJson(root, (char*)payloadcopy);

  // Test if parsing succeeds.

  if (error){

</code></pre>

h3. To Do

rendre la configuration MQTT dynamique

h2. MQTT

topic: DotMatrixDisplay/message

{"text":"ABC°€",

"priorite":0,

"lum":1,

"pos":2,

"eff_in":9,

"eff_out":9,

"speed":1000,

"pause":100}

{"text":"Bonjour tous le monde",

"priorite":0,

"lum":1,

"pos":1,

"eff_in":1,

"eff_out":9,

"speed":50,

"pause":100}