{"id":197,"date":"2021-10-18T12:25:52","date_gmt":"2021-10-18T10:25:52","guid":{"rendered":"https:\/\/www.onetimenexttime.sk\/arduino\/?post_type=product&p=197"},"modified":"2024-02-22T21:21:32","modified_gmt":"2024-02-22T20:21:32","slug":"ac-and-dc-acs712elctr-20a-20a-range-current-sensor-module-acs712-module-for-arduino","status":"publish","type":"product","link":"https:\/\/www.onetimenexttime.sk\/arduino\/index.php\/produkt\/ac-and-dc-acs712elctr-20a-20a-range-current-sensor-module-acs712-module-for-arduino\/","title":{"rendered":"AC and DC ACS712ELCTR-20A 20A Range Current Sensor Module ACS712 Module FOR Arduino"},"content":{"rendered":"

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Informa\u010dn\u00e1 str\u00e1nka o senzore pr\u00fadu ACS712ELCTR-20A pre ESPHome<\/h1>\n\n\n\n\n\n\n\n
Popis<\/th>\nSenzor pr\u00fadu ACS712ELCTR-20A je modul, ktor\u00fd umo\u017e\u0148uje meranie pr\u00fadu pre jednosmern\u00e9 aj striedav\u00e9 obvody s rozsahom 20A.<\/td>\n<\/tr>\n
Vlastnosti<\/th>\n\n
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  • Rozsah merania: 20A<\/li>\n
  • Podpora pre jednosmern\u00e9 aj striedav\u00e9 pr\u00fady<\/li>\n
  • N\u00edzka hystereza a n\u00edzka hmotnos\u0165<\/li>\n
  • Sn\u00edmanie pr\u00fadu bez preru\u0161enia obvodu<\/li>\n
  • Jednoduch\u00e9 pou\u017eitie s ESPHome<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
ESPHome konfigur\u00e1cia<\/th>\n\n
esphome:\r\n  name: tanque-agua\r\n  friendly_name: tanque-agua\r\n  libraries:\r\n    - https:\/\/github.com\/RobTillaart\/ACS712.git\r\n  includes:\r\n    - acs712_component.h\r\n    \r\nsensor:\r\n  - platform: custom\r\n    lambda: |-\r\n      auto acs712_sensor = new ACS712Sensor();\r\n      App.register_component(acs712_sensor);\r\n      return {acs712_sensor->current_sensor, acs712_sensor->power_sensor};\r\n    sensors:\r\n    - name: \"Amperes\"\r\n      unit_of_measurement: A\r\n      accuracy_decimals: 2\r\n    - name: \"Watts\"\r\n      unit_of_measurement: W\r\n      accuracy_decimals: 2\r\n<\/pre>\n<\/td>\n<\/tr>\n
Pr\u00edklad pre ESPHome<\/th>\n\n
sensor:\r\n  - platform: custom\r\n    lambda: |-\r\n      auto acs712_sensor = new ACS712Sensor();\r\n      App.register_component(acs712_sensor);\r\n      return {acs712_sensor->current_sensor, acs712_sensor->power_sensor};\r\n    sensors:\r\n    - name: \"Amperes\"\r\n      unit_of_measurement: A\r\n      accuracy_decimals: 2\r\n    - name: \"Watts\"\r\n      unit_of_measurement: W\r\n      accuracy_decimals: 2\r\n<\/pre>\n<\/td>\n<\/tr>\n
Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n\n
const int analogInputPin = A0; \/\/ Anal\u00f3gov\u00fd vstup pre senzor pr\u00fadu\r\nfloat voltage = 0; \/\/ Nameran\u00e9 nap\u00e4tie\r\nfloat current = 0; \/\/ Nameran\u00fd pr\u00fad\r\n\r\nvoid setup() {\r\n  Serial.begin(9600); \/\/ Inicializ\u00e1cia komunik\u00e1cie s\u00e9riov\u00e9ho portu\r\n}\r\n\r\nvoid loop() {\r\n  voltage = analogRead(analogInputPin) * (5.0 \/ 1023.0); \/\/ Prevod hodnoty na nap\u00e4tie\r\n  current = (voltage - 2.5) \/ 0.066; \/\/ V\u00fdpo\u010det pr\u00fadu na z\u00e1klade nameran\u00e9ho nap\u00e4tia\r\n\r\n  Serial.print(\"Nameran\u00e9 nap\u00e4tie: \");\r\n  Serial.print(voltage);\r\n  Serial.print(\" V, Nameran\u00fd pr\u00fad: \");\r\n  Serial.print(current);\r\n  Serial.println(\" A\");\r\n\r\n  delay(1000); \/\/ Oneskorovanie 1 sekundu\r\n}\r\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
https:\/\/github.com\/marianomd\/acs712-esphome<\/a><\/p>\n