{"id":9597,"date":"2024-11-24T19:08:49","date_gmt":"2024-11-24T16:08:49","guid":{"rendered":"https:\/\/roboromania.ro\/?post_type=product&p=9597"},"modified":"2025-10-03T11:20:36","modified_gmt":"2025-10-03T08:20:36","slug":"modulul-senzor-sunet-microfon-max4466","status":"publish","type":"product","link":"https:\/\/roboromania.ro\/?product=modulul-senzor-sunet-microfon-max4466","title":{"rendered":"Modulul senzor sunet Microfon MAX4466"},"content":{"rendered":"

Modulul senzor sunet analogic
\n\"\"<\/a>\"\"<\/a>
\nCaracteristici:<\/p>\n

Analogic
\nMicrofon cu condensator electret
\nTensiune de lucru: DC 2,4 – 5 V<\/p>\n

Arduino projects.<\/p>\n

Cod exemplu :<\/p>\n

const<\/span> int<\/span> sampleWindow = 50<\/span>;  \/\/ Sample window width in mS (50 mS = 20Hz)<\/span>\r\nint<\/span> const<\/span> AMP_PIN = A0;       \/\/ Preamp output pin connected to A0<\/span>\r\nunsigned<\/span> int<\/span> sample;\r\n\r\nvoid<\/span> setup<\/span>()\r\n{\r\n  Serial.begin<\/span>(9600<\/span>);\r\n}\r\n\r\nvoid<\/span> loop<\/span>()\r\n{\r\n  unsigned<\/span> long<\/span> startMillis = millis<\/span>(); \/\/ Start of sample window<\/span>\r\n  unsigned<\/span> int<\/span> peakToPeak = 0<\/span>;   \/\/ peak-to-peak level<\/span>\r\n\r\n  unsigned<\/span> int<\/span> signalMax = 0<\/span>;\r\n  unsigned<\/span> int<\/span> signalMin = 1024<\/span>;\r\n\r\n  \/\/ collect data for 50 mS and then plot data<\/span>\r\n  while<\/span> (millis<\/span>() - startMillis < sampleWindow)\r\n  {\r\n    sample = analogRead<\/span>(AMP_PIN);\r\n    if<\/span> (sample < 1024<\/span>)  \/\/ toss out spurious readings<\/span>\r\n    {\r\n      if<\/span> (sample > signalMax)\r\n      {\r\n        signalMax = sample;  \/\/ save just the max levels<\/span>\r\n      }\r\n      else<\/span> if<\/span> (sample < signalMin)\r\n      {\r\n        signalMin = sample;  \/\/ save just the min levels<\/span>\r\n      }\r\n    }\r\n  }\r\n  peakToPeak = signalMax - signalMin;  \/\/ max - min = peak-peak amplitude<\/span>\r\n  Serial.println<\/span>(peakToPeak);\r\n  \/\/double volts = (peakToPeak * 5.0) \/ 1024;  \/\/ convert to volts<\/span>\r\n  \/\/Serial.println(volts);<\/span>\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
Modulul senzor
\nTip Arduino projects.<\/p>\n","protected":false},"featured_media":9598,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[9,15,273],"product_tag":[7,77],"class_list":{"0":"post-9597","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-senzori","7":"product_cat-module","8":"product_cat-audio","9":"product_tag-arduino","10":"product_tag-modul","12":"first","13":"outofstock","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/product\/9597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9597"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/media\/9598"}],"wp:attachment":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9597"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=9597"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=9597"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=9597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}