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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,69 @@ | ||
| // | ||
| // FILE: ACS712_debug.ino | ||
| // AUTHOR: Rob Tillaart | ||
| // PURPOSE: analyse effects of settings e.g. voltage divider | ||
| // URL: https://github.com/RobTillaart/ACS712 | ||
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| #include "ACS712.h" | ||
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| // Arduino UNO has 5.0 volt with a max ADC value of 1023 steps | ||
| // ACS712 5A uses 185 mV per A | ||
| // ACS712 20A uses 100 mV per A | ||
| // ACS712 30A uses 66 mV per A | ||
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| ACS712 ACS(A0, 3.3, 1023, 185); | ||
| ACS712 ACS2(A0, 1, 1023, 32); | ||
| ACS712 ACS3(A0, 3.3, 1023, 37); | ||
| ACS712 ACS4(A0, 1, 1023, 92.5); | ||
| // ESP 32 example (might requires resistors to step down the logic voltage) | ||
| // ACS712 ACS(25, 3.3, 4095, 185); | ||
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| float voltageDividerFactor(float R_ACS, float R_GND) | ||
| { | ||
| return R_GND / (R_ACS + R_GND); | ||
| } | ||
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| void dumpACS(ACS712 acs) | ||
| { | ||
| Serial.print("MIDPOINT: "); | ||
| Serial.println(acs.getMidPoint()); | ||
| Serial.print("NOISE mV: "); | ||
| Serial.println(acs.getNoisemV()); | ||
| Serial.print("mV / AMP: "); | ||
| Serial.println(acs.getmVperAmp()); | ||
| Serial.print("mA/step : "); | ||
| Serial.println(acs.getmAPerStep()); | ||
| Serial.println(); | ||
| } | ||
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| void setup() | ||
| { | ||
| Serial.begin(115200); | ||
| while (!Serial); | ||
| Serial.println(__FILE__); | ||
| Serial.print("ACS712_LIB_VERSION: "); | ||
| Serial.println(ACS712_LIB_VERSION); | ||
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| dumpACS(ACS); | ||
| dumpACS(ACS2); | ||
| dumpACS(ACS3); | ||
| dumpACS(ACS4); | ||
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| // just examples | ||
| Serial.println(voltageDividerFactor(300, 75), 4); | ||
| Serial.println(voltageDividerFactor(315, 70), 4); | ||
| } | ||
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| void loop() | ||
| { | ||
| } | ||
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| // -- END OF FILE -- |
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,5 +1,5 @@ | ||
| name=ACS712 | ||
| version=0.3.9 | ||
| version=0.3.10 | ||
| author=Rob Tillaart <[email protected]>, Pete Thompson <[email protected]> | ||
| maintainer=Rob Tillaart <[email protected]> | ||
| sentence=ACS712 library for Arduino. | ||
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