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--- projets:fuz:ac_giant_led_matrix [2019-02-22 20:22] – barzi
+++ projets:fuz:ac_giant_led_matrix [2023-02-02 22:06] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-====== Ac giant led matrix ======
+====== AC giant led matrix ======
 <WRAP round box 60%>
@@ Line 7: / Line 7: @@
 ===== Ressources =====
-  * collab [[user:jeanneret|nico]] , [[user:barzi]], [[user:fabien]]
+  * collab [[user:jeanneret|nico]] , [[user:barzi]], [[user:drix]], [[user:fabien]]
-  *
+  * [[https://hackaday.io/project/163657-hdmi-to-fpga-to-apa102|giant led panel with fpga]] .. interesting RS485 data transmitter for long distances (with board)
 ===== Ressources =====
   * [[https://www.vishay.com/docs/83608/h11aa1.pdf|Optocoupleur/capteur 240V du secteur]]
   * [[https://hackspark.fr/fr/electronique/1310-relay-module-solid-state-high-level-8-channel-5v-dc-.html|solid state relayX8]] qui est zerocrossing
-===== Dev =====
+===== Dev log =====
+==== session 22 fev 2019 ====
+{{:projets:fuz:acmatrix_leds_action.jpg?400|}}
+{{:projets:fuz:acmatrix_zero_crossing.jpg?400|hint: the code is not working here...(should be waiting for HIGH)}}
+{{:projets:fuz:acmatrix_relays.jpg?400|}}
+{{:projets:fuz:acmatrix_scanlines.jpg?400|}}
+===== Code =====
+++++ Code arduino 240V lettres 2 colonnes |
+<code c>
+#include <DIO2.h>
+#define DEBUG false
+#define COL_NB 2
+#define LIN_NB 7
+int pin_col[COL_NB] = {3, 2};
+int pin_lin[LIN_NB] = {4, 5, 6, 7, 8, 9, 10};
+int seg[2][7] = { {0, 1, 0, 1, 0, 0, 0},{1, 0, 1, 0, 1, 0, 0} };
+//AC
+#define  pinACsense A0
+int last_AC_detect = LOW;
+void setup() {
+  //AC
+  pinMode2(pinACsense, INPUT);
+  pinMode2(LED_BUILTIN, OUTPUT);
+  for (int i = 0; i < COL_NB; i++) {
+    pinMode2(pin_col[i], OUTPUT);
+  }
+  for (int i = 0; i < LIN_NB; i++) {
+    pinMode2(pin_lin[i], OUTPUT);
+  }
+  if (DEBUG) Serial.begin(115200);
+  if (DEBUG) Serial.println("let's rock!");
+}
+int letter[7];
+void loop() {
+  //int digitNb = ((long)millis / 1000) % 2;
+  // COLONNES < 2
+  for (int j = 0; j < 2; j++) {
+    // copy current letter
+    /*
+    for (int k = 0; k < 7; k++) {
+      letter[k] = seg[j][k];
+      if (DEBUG) Serial.print(letter[k]);
+      if (DEBUG) Serial.print("\t");
+    }
+    if (DEBUG) Serial.println("");
+    */
+    ////////////////////
+    // allume une colonne
+    int b = pin_col[j];
+    digitalWrite2(b, HIGH);
+    // LIGNES < 7
+    for (int i = 0; i < 7; i++) {
+      int a = pin_lin[i];
+      //if (letter[i] == 1) {
+      if (seg[j][i] == 1) {
+        digitalWrite2(a, HIGH);
+        if (DEBUG) Serial.print("HIGH");
+      }
+      else {
+        digitalWrite2(a, LOW);
+        if (DEBUG) Serial.print("LOW");
+      }
+      if (DEBUG) Serial.println("");
+    } // end lines
+    // persistence retinienne (env 40ms)
+    delayMicroseconds(9000);
+    // Wait for AC sync...
+    int AC_detect = LOW;
+    while ( AC_detect !=  HIGH) {
+      AC_detect = digitalRead2(pinACsense);
+    }
+    // cols down
+    digitalWrite2(b, LOW);
+    // lines down
+    for (int t = 0; t < 7; t++) {
+      int z = pin_lin[t];
+      digitalWrite2(z, LOW);
+    }
+  } // end cols
+}
+</code>
+++++
 ++++ Code arduino 240V led matrix test simple  |