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en-us_commands:reference:ianalogwrite2 [2026/09/07 21:52] – 만듦 - 바깥 편집 127.0.0.1en-us_commands:reference:ianalogwrite2 [2026/09/08 00:53] (current) – 바깥 편집 127.0.0.1
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 <code cpp> <code cpp>
-IanalogWrite2(0, 0, 100, 50);            // Approx. 12mA +void setup() { 
-IanalogWrite2f(1, 0.0F, 10.0F, 2.5F);   // Approx. 8mA+  Serial.begin(115200); 
 +
 + 
 +void loop() { 
 +  uint16_t raw2 = analogRead2(0);  // Read the 4–20mA-adjusted input value of the specified channel. 
 +  int32_t filtered2 = analogRead2Avg(0, 5);  // Return the integer average of 4–20mA input values. 
 +  float filtered2f = analogRead2Avgf(0, 5);  // Return the floating-point average of 4–20mA input values. 
 +  float currentmA = IanalogRead2f(0, 4.0F, 20.0F);  // Map the 4–20mA input value to the specified floating-point range. 
 + 
 +  if (raw2 == ANALOG_READ2_ERROR || filtered2 == ANALOG_READ2_AVG_ERROR || 
 +      filtered2f == (float)ANALOG_READ2_AVG_ERROR || 
 +      currentmA == (float)ANALOG_READ2_ERROR) { 
 +    Serial.println("4-20mA input error"); 
 +    delay(500); 
 +    return; 
 +  } 
 + 
 +  int32_t percent = Iscale((int32_t)raw2, 0, 32767, 0, 100);  // Map an integer input to the specified integer range. 
 + 
 +  IanalogWrite2(0, 0, 100, 50);       // 50% → approx. 12mA 
 +  IanalogWrite2f(1, 0.0F, 10.0F, 2.5F); // 25% → approx. 8mA 
 + 
 +  Serial.print("4-20mA raw: "); 
 +  Serial.println(raw2); 
 +  Serial.print("4-20mA filtered: "); 
 +  Serial.println(filtered2); 
 +  Serial.print("4-20mA filtered float: "); 
 +  Serial.println(filtered2f, 2); 
 +  Serial.print("percent: "); 
 +  Serial.println(percent); 
 +  Serial.print("current: "); 
 +  Serial.println(currentmA, 2); 
 + 
 +  delay(500); 
 +}
 </code> </code>
  
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   * ''analogWriteInit()'', ''analogWriteFreq()'' and ''analogWriteMax()'' are for Y analog output channels and must not be used for high-speed pulse channels ''20~31''.   * ''analogWriteInit()'', ''analogWriteFreq()'' and ''analogWriteMax()'' are for Y analog output channels and must not be used for high-speed pulse channels ''20~31''.
   * Do not use high-speed pulse GPIO numbers ''130~141'' with ''analogWrite()''.   * Do not use high-speed pulse GPIO numbers ''130~141'' with ''analogWrite()''.
 +
 +===== Built-in Commands in the Same Category =====
 +
 +  * [[:en-us_commands:reference:analogwrite2|analogWrite2() View detailed description]]
 +  * [[:en-us_commands:reference:ianalogwrite2f|IanalogWrite2f() View detailed description]]
  
 [[:en-us_commands:builtin|← Built-in Command List]] [[:en-us_commands:builtin|← Built-in Command List]]
  
en-us_commands/reference/ianalogwrite2.1788785566.txt.gz · Last modified: by 127.0.0.1

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