Différences

Ci-dessous, les différences entre deux révisions de la page.

--- documentation:microcontroleurs:arduino:modules:ina219_va_meter:index [2025/05/01 14:03] – [ARDUINO CODE] f1sls
+++ documentation:microcontroleurs:arduino:modules:ina219_va_meter:index [2025/05/04 14:42] (Version actuelle) – f1sls
@@ Ligne 1: / Ligne 1: @@
-====== Voltmètre / Ampèremètre INA219 ======
+====== Voltmètre / Ampèremètre INA219/GY-219 ======
 {{:documentation:microcontroleurs:arduino:modules:ina219_va_meter:ina219_01.jpg?300&nolink|}}
 \\
@@ Ligne 11: / Ligne 11: @@
 ===== I2C =====
-I2C Address
 The INA219 uses the I2C protocol to communicate with microcontrollers, and each device on the I2C bus must have a unique address. The default I2C address for the INA219 is 0x40 (or 1000000 in binary).
@@ Ligne 77: / Ligne 75: @@
 ==== Calibration Register (Address = 05h) ====
 This register is used to set the calibration value for the current and power calculations. It can be read or written to set the correct calibration value.
-===== WIRING =====
 ===== PINOUT =====
@@ Ligne 88: / Ligne 85: @@
   * **Vin+** this pin connects to the positive terminal of the voltage supply that you want to measure.
+===== WIRING =====
+{{:documentation:microcontroleurs:arduino:modules:ina219_va_meter:interfacing-ina219-dc-current-sensor-module-with-arduino.jpg?600|}}
+{{:documentation:microcontroleurs:arduino:modules:ina219_va_meter:ina219-arduino-nano_steckplatine.png?600|}}
 ===== Librairie(s) =====
   * [[https://github.com/adafruit/Adafruit_INA219|Adafruit INA219]]
@@ Ligne 148: / Ligne 148: @@
   Serial.println("");
+  delay(1000);
+}
+</code>
+<code cpp>
+#include "Wire.h"
+#include "Adafruit_INA219.h"
+Adafruit_INA219 ina219;
+void setup() {
+  // Open serial communications and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+  if (! ina219.begin()) {
+    Serial.println("Failed to find INA219 chip");
+    while (1) { delay(10); }
+  }
+  Serial.print("BV"); Serial.print("\t"); // Bus Voltage
+  Serial.print("SV"); Serial.print("\t"); // Shunt Voltage
+  Serial.print("LV"); Serial.print("\t"); // Load Voltage
+  Serial.print("C"); Serial.print("\t");  // Current
+  Serial.println("P");  // Power
+}
+void loop() {
+  float shuntvoltage = 0;
+  float busvoltage = 0;
+  float current_mA = 0;
+  float loadvoltage = 0;
+  float power_mW = 0;
+  shuntvoltage = ina219.getShuntVoltage_mV();
+  busvoltage = ina219.getBusVoltage_V();
+  current_mA = ina219.getCurrent_mA();
+  power_mW = ina219.getPower_mW();
+  loadvoltage = busvoltage + (shuntvoltage / 1000);
+  Serial.print(busvoltage); Serial.print("\t");
+  Serial.print(shuntvoltage); Serial.print("\t");
+  Serial.print(loadvoltage); Serial.print("\t");
+  Serial.print(current_mA); Serial.print("\t");
+  Serial.println(power_mW);
   delay(1000);
 }
 </code>

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