Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor<\/title><\/p>\n<style>\n table {\n width: 100%;\n border-collapse: collapse;\n }\n th, td {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n }\n th {\n background-color: #f2f2f2;\n }\n #copyButton {\n background-color: #4CAF50;\n border: none;\n color: white;\n padding: 10px 20px;\n text-align: center;\n text-decoration: none;\n display: inline-block;\n font-size: 16px;\n margin: 4px 2px;\n cursor: pointer;\n border-radius: 5px;\n }\n <\/style>\n<p><\/head><br \/>\n<body><\/p>\n<h2>Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor<\/h2>\n<table>\n<tr>\n<th>Popis<\/th>\n<td>Ultrazvukov\u00fd senzor pre meranie vzdialenosti<\/td>\n<\/tr>\n<tr>\n<th>Vlastnosti<\/th>\n<td>\n<ul>\n<li>Meranie vzdialenosti pomocou ultrazvuku<\/li>\n<li>Jednoduch\u00e1 integr\u00e1cia s Arduino<\/li>\n<li>N\u00edzka cena<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>\u0160pecifik\u00e1cie<\/th>\n<td>\n<ul>\n<li>Rozsah merania: 2 cm a\u017e 400 cm<\/li>\n<li>Nap\u00e1janie: 5V DC<\/li>\n<li>Rozl\u00ed\u0161enie: 0.3 cm<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edklady pou\u017eitia<\/th>\n<td>\n<ul>\n<li>Meranie vzdialenosti pre robotiku a automatyku<\/li>\n<li>Dopravn\u00e9 syst\u00e9my s automatick\u00fdm parkovan\u00edm<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n<td>\n <code><br \/>\n #define trigPin 9<br \/>\n #define echoPin 10<\/p>\n<p> void setup() {<br \/>\n Serial.begin (9600);<br \/>\n pinMode(trigPin, OUTPUT);<br \/>\n pinMode(echoPin, INPUT);<br \/>\n }<\/p>\n<p> void loop() {<br \/>\n long duration, distance;<br \/>\n digitalWrite(trigPin, LOW);<br \/>\n delayMicroseconds(2);<br \/>\n digitalWrite(trigPin, HIGH);<br \/>\n delayMicroseconds(10);<br \/>\n digitalWrite(trigPin, LOW);<br \/>\n duration = pulseIn(echoPin, HIGH);<br \/>\n distance = (duration \/ 2) * 0.0344;<br \/>\n if (distance >= 200 || distance <= 0) {\n Serial.println(\"Mimo dosahu\");\n } else {\n Serial.print(distance);\n Serial.println(\" cm\");\n }\n delay(500);\n }\n <\/code>\n <\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n<td>\n <code><br \/>\n binary_sensor:<br \/>\n - platform: gpio<br \/>\n pin:<br \/>\n number: GPIO12<br \/>\n mode: INPUT<br \/>\n inverted: true<br \/>\n name: \"Ultrasonic Sensor\"<br \/>\n device_class: occupancy<br \/>\n <\/code>\n <\/td>\n<\/tr>\n<\/table>\n<p><button id=\"copyButton\" onclick=\"copyCode()\">Skop\u00edrova\u0165 k\u00f3d<\/button><\/p>\n<p><script>\n function copyCode() {\n var code = document.querySelector('code');\n var textArea = document.createElement('textarea');\n textArea.value = code.textContent;\n document.body.appendChild(textArea);\n textArea.select();\n document.execCommand('copy');\n document.body.removeChild(textArea);\n alert('K\u00f3d bol skop\u00edrovan\u00fd do schr\u00e1nky.');\n }\n<\/script><\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n<p> <\/p>\n<style>\n table {<br \/>\n width: 100%;<br \/>\n border-collapse: collapse;<br \/>\n }<br \/>\n th, td {<br \/>\n padding: 8px;<br \/>\n text-align: left;<br \/>\n border-bottom: 1px solid #ddd;<br \/>\n }<br \/>\n th {<br \/>\n background-color: #f2f2f2;<br \/>\n }<br \/>\n #copyButton {<br \/>\n background-color: #4CAF50;<br \/>\n border: none;<br \/>\n color: white;<br \/>\n padding: 10px 20px;<br \/>\n text-align: center;<br \/>\n text-decoration: none;<br \/>\n display: inline-block;<br \/>\n font-size: 16px;<br \/>\n margin: 4px 2px;<br \/>\n cursor: pointer;<br \/>\n border-radius: 5px;<br \/>\n }<br \/>\n <\/style>\n<p> <\/p>\n<h2>IR Digital 38khz Infrared Receiver Sensor Module For Arduino<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Popis<\/th>\n<td>IR digit\u00e1lny prij\u00edma\u010d infra\u010derven\u00e9ho sign\u00e1lu s frekvenciou 38 kHz pre Arduino<\/td>\n<\/tr>\n<tr>\n<th>Vlastnosti<\/th>\n<td>\n<ul>\n<li>Detekcia infr\u010derven\u00e9ho sign\u00e1lu<\/li>\n<li>Frekven\u010dn\u00fd rozsah 38 kHz<\/li>\n<li>Kompatibiln\u00fd s Arduino<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>\u0160pecifik\u00e1cie<\/th>\n<td>\n<ul>\n<li>Frekvencia: 38 kHz<\/li>\n<li>Rozsah detekcie: xxx - xxx<\/li>\n<li>Rozmery: xxx mm x xxx mm x xxx mm<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edklady pou\u017eitia<\/th>\n<td>\n<ul>\n<li>Ovl\u00e1danie dom\u00e1ceho zariadenia pomocou dia\u013ekov\u00e9ho ovl\u00e1da\u010da<\/li>\n<li>Detekcia pohybu pomocou infra\u010derven\u00e9ho senzora<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n<td><code><br \/>\n\/\/ Pr\u00edkladov\u00fd k\u00f3d pre pripojenie IR prij\u00edma\u010da k Arduinu<br \/>\n<\/code><\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n<td><code><br \/>\n# Pr\u00edkladov\u00fd k\u00f3d pre pripojenie IR prij\u00edma\u010da k ESPHome<br \/>\n<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><button id=\"copyButton\">Skop\u00edrova\u0165 k\u00f3d<\/button><\/p>\n<p><script>\n function copyCode() {\n var code = document.querySelector('code');\n var textArea = document.createElement('textarea');\n textArea.value = code.textContent;\n document.body.appendChild(textArea);\n textArea.select();\n document.execCommand('copy');\n document.body.removeChild(textArea);\n alert('K\u00f3d bol skop\u00edrovan\u00fd do schr\u00e1nky.');\n }\n<\/script><\/p>\n<p> <\/p>\n<p>...............<\/p>\n<h1>IR Digital 38khz Infrared Receiver Sensor Module For Arduino<\/h1>\n<table>\n<tbody>\n<tr>\n<th>Popis<\/th>\n<td>IR digit\u00e1lny 38 kHz infra\u010derven\u00fd prij\u00edma\u010dov\u00fd senzor pre Arduino<\/td>\n<\/tr>\n<tr>\n<th>Vlastnosti<\/th>\n<td>- Rozsah: 38 kHz<br \/>\n- Digit\u00e1lny v\u00fdstup<\/td>\n<\/tr>\n<tr>\n<th>\u0160pecifik\u00e1cie<\/th>\n<td>- Frekvencia: 38 kHz<br \/>\n- Typ v\u00fdstupu: digit\u00e1lny<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edklady pou\u017eitia<\/th>\n<td>Pou\u017eitie v projektov, kde je potrebn\u00e9 detekova\u0165 sign\u00e1ly v infra\u010dervenom spektre.<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n<td>\n<div class=\"code-container\"><code pre Arduino><\/div>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n<td>\n<div class=\"code-container\"><code pre ESPHome><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><button>Skop\u00edrova\u0165 k\u00f3d<\/button><\/p>\n<p><script>\nfunction copyCode() {\n var codeBlocks = document.querySelectorAll('.code-container');\n var codeText = '';\n codeBlocks.forEach(function(block) {\n codeText += block.innerText + '\\n';\n });\n navigator.clipboard.writeText(codeText);\n alert('K\u00f3d bol skop\u00edrovan\u00fd do schr\u00e1nky.');\n}\n<\/script><\/p>\n<p> <\/p>\n<table>\n<tbody>\n<tr>\n<th style=\"text-align: center;\" colspan=\"2\">Ultrazvukov\u00fd senzor HC-SR04 - Senzor merania vzdialenosti<\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" colspan=\"2\"><img decoding=\"async\" src=\"hc-sr04_ultrasonic_sensor.jpg\" alt=\"Ultrazvukov\u00fd senzor HC-SR04\" \/><\/td>\n<\/tr>\n<tr>\n<td><strong>Popis:<\/strong><\/td>\n<td>Ultrazvukov\u00fd senzor HC-SR04 je modul, ktor\u00fd umo\u017e\u0148uje meranie vzdialenosti pomocou ultrazvukov\u00fdch vln. Tento senzor je ve\u013emi presn\u00fd a spo\u013eahliv\u00fd, \u010do ho rob\u00ed ide\u00e1lnym pre mnoho projektov, ako s\u00fa robotika, bezpe\u010dnostn\u00e9 syst\u00e9my, parkovacie senzory a \u010fal\u0161ie. Senzor je kompatibiln\u00fd s Arduino a \u010fal\u0161\u00edmi mikrokontrol\u00e9rmi a \u013eahko sa pou\u017e\u00edva.<\/td>\n<\/tr>\n<tr>\n<td><strong>Vlastnosti:<\/strong><\/td>\n<td>\n<ul>\n<li>Ultrazvukov\u00fd senzor na meranie vzdialenosti<\/li>\n<li>Pou\u017e\u00edva ultrazvukov\u00e9 vlny na meranie vzdialenosti<\/li>\n<li>Ve\u013emi presn\u00fd a spo\u013eahliv\u00fd<\/li>\n<li>Mo\u017enos\u0165 jednoduchej integr\u00e1cie s Arduino a \u010fal\u0161\u00edmi mikrokontrol\u00e9rmi<\/li>\n<li>Vhodn\u00fd pre r\u00f4zne projekty a aplik\u00e1cie<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0160pecifik\u00e1cie:<\/strong><\/td>\n<td>\n<table>\n<tbody>\n<tr>\n<td><strong>Pracovn\u00e9 nap\u00e4tie:<\/strong><\/td>\n<td>5V DC<\/td>\n<\/tr>\n<tr>\n<td><strong>Rozsah merania:<\/strong><\/td>\n<td>2 cm - 400 cm<\/td>\n<\/tr>\n<tr>\n<td><strong>Presnos\u0165:<\/strong><\/td>\n<td>+\/- 3 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Rozhranie:<\/strong><\/td>\n<td>Digit\u00e1lny (Trigger\/Echo)<\/td>\n<\/tr>\n<tr>\n<td><strong>Maxim\u00e1lna frekvencia:<\/strong><\/td>\n<td>100 Hz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td><strong>Pr\u00edklady pou\u017eitia:<\/strong><\/td>\n<td>\n<ul>\n<li>Meranie vzdialenosti<\/li>\n<li>Detekcia prek\u00e1\u017eok<\/li>\n<li>Automatiz\u00e1cia parkovania<\/li>\n<li>Robotika<\/li>\n<li>Bezpe\u010dnostn\u00e9 syst\u00e9my<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><strong>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome:<\/strong><\/td>\n<td>\n<pre lang=\"yaml\">sensor:\r\n - platform: ultrasonic\r\n trigger_pin: D1\r\n echo_pin: D2\r\n name: \"Ultrazvukov\u00fd senzor\"\r\n update_interval: 5s\r\n unit_of_measurement: cm\r\n accuracy_decimals: 1\r\n filters:\r\n - median:\r\n window_size: 5\r\n on_distance:\r\n above: 10\r\n then:\r\n - switch.turn_on: relay\r\n on_no_distance:\r\n then:\r\n - switch.turn_off: relay\r\n ```\r\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p> <\/p>\n<table>\n<tbody>\n<tr>\n<th style=\"text-align: center;\" colspan=\"2\">Ultrazvukov\u00fd senzor HC-SR04 Modul senzora na meranie vzdialenosti<\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" colspan=\"2\"><img decoding=\"async\" src=\"hc_sr04_ultrasonic_sensor.jpg\" alt=\"HC-SR04 Ultrazvukov\u00fd senzor\" \/><\/td>\n<\/tr>\n<tr>\n<td><strong>Popis:<\/strong><\/td>\n<td>Ultrazvukov\u00fd senzor HC-SR04 je popul\u00e1rny senzor pou\u017e\u00edvan\u00fd na meranie vzdialenosti pomocou ultrazvukov\u00fdch impulzov. Tento modul senzora je spo\u013eahliv\u00fd a jednoducho integrovate\u013en\u00fd do r\u00f4znych projektov, od robotiky po dom\u00e1ce automatiza\u010dn\u00e9 syst\u00e9my.<\/td>\n<\/tr>\n<tr>\n<td><strong>Vlastnosti:<\/strong><\/td>\n<td> <\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Ultrazvukov\u00fd senzor na meranie vzdialenosti<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Presn\u00e9 meranie v rozsahu od 2 cm do 400 cm<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>N\u00edzka spotreba energie a jednoduch\u00e9 pou\u017eitie<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Podpora mnoh\u00fdch mikrokontrol\u00e9rov, vr\u00e1tane Arduina<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <\/p>\n<p> <\/td>\n<\/tr>\n<tr>\n<td><strong>\u0160pecifik\u00e1cie:<\/strong><\/td>\n<td> <\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>Nap\u00e1janie:<\/strong><\/td>\n<td>5V DC<\/td>\n<\/tr>\n<tr>\n<td><strong>Maxim\u00e1lna vzdialenos\u0165:<\/strong><\/td>\n<td>400 cm<\/td>\n<\/tr>\n<tr>\n<td><strong>Minim\u00e1lna vzdialenos\u0165:<\/strong><\/td>\n<td>2 cm<\/td>\n<\/tr>\n<tr>\n<td><strong>Rozl\u00ed\u0161enie:<\/strong><\/td>\n<td>0.3 cm<\/td>\n<\/tr>\n<tr>\n<td><strong>Rozhranie:<\/strong><\/td>\n<td>Digit\u00e1lny (Trigger a Echo pin)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p> <\/td>\n<\/tr>\n<tr>\n<td><strong>Aplik\u00e1cie:<\/strong><\/td>\n<td> <\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Meranie vzdialenosti pre mobiln\u00e9 roboty<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p> <\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Automatick\u00e9 parkovacie syst\u00e9my a navig\u00e1cia<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p> <\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Meranie hladiny tekut\u00edn v n\u00e1dr\u017eiach<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p> <\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Monitorovanie vzdialenosti pre bezpe\u010dnostn\u00e9 syst\u00e9my<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p> <\/p>\n<p> <\/td>\n<\/tr>\n<tr>\n<td><strong>Vzorov\u00fd k\u00f3d:<\/strong><\/td>\n<td> <\/p>\n<pre lang=\"arduino\">\/\/ Vzorov\u00fd k\u00f3d pre pou\u017eitie ultrazvukov\u00e9ho senzora HC-SR04\r\n#define trigPin 2 \/\/ Definujte pin Trigger pre senzor\r\n#define echoPin 3 \/\/ Definujte pin Echo pre senzor\r\n\r\nvoid setup() {\r\nSerial.begin(9600); \/\/ Inicializ\u00e1cia s\u00e9riovej komunik\u00e1cie\r\npinMode(trigPin, OUTPUT); \/\/ Nastavenie pinu Trigger ako v\u00fdstupn\u00fd\r\npinMode(echoPin, INPUT); \/\/ Nastavenie pinu Echo ako vstupn\u00fd\r\n}\r\n\r\nvoid loop() {\r\nlong duration, distance; \/\/ Deklar\u00e1cia premenn\u00fdch pre trvanie a vzdialenos\u0165\r\n\r\ndigitalWrite(trigPin, LOW); \/\/ Nastavenie pinu Trigger na LOW\r\ndelayMicroseconds(2); \/\/ Oneskorenie pre bezpe\u010dnos\u0165\r\n\r\ndigitalWrite(trigPin, HIGH); \/\/ Aktiv\u00e1cia ultrazvukov\u00e9ho sign\u00e1lu\r\ndelayMicroseconds(10); \/\/ Trvanie sign\u00e1lu\r\ndigitalWrite(trigPin, LOW); \/\/ Deaktiv\u00e1cia sign\u00e1lu\r\n\r\nduration = pulseIn(echoPin, HIGH); \/\/ \u010cakanie na n\u00e1vrat echov\u00e9ho sign\u00e1lu\r\ndistance = (duration \/ 2) \/ 29.1; \/\/ V\u00fdpo\u010det vzdialenosti v centimetroch\r\n\r\nSerial.print(\"Vzdialenos\u0165: \"); \/\/ Vyp\u00ed\u0161te na s\u00e9riov\u00fa linku\r\nSerial.print(distance);\r\nSerial.println(\" cm\");\r\n\r\ndelay(1000); \/\/ Oneskorenie pre \u010ditate\u013enos\u0165\r\n}\r\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Ultrazvukov\u00fd senzorov\u00fd modul HC-SR04 Senzor na meranie vzdialenosti<\/h2>\n<p> <\/p>\n<p>Tento modul m\u00e1 stabiln\u00fd v\u00fdkon a presn\u00e9 meranie vzdialenosti. Modul vysoko presn\u00fd, slep\u00fd (2 cm) ultra-bl\u00edzky, stabiln\u00fd rozsah je \u00faspechom tohto produktu na trhu siln\u00fdm z\u00e1kladom! Tento modul plne pokor\u00ed GH-311 modul proti kr\u00e1de\u017ei.<\/p>\n<p>(1) pomocou IO sp\u00fa\u0161\u0165acieho rozsahu na najmenej 10us vysoko\u00farov\u0148ov\u00e9ho sign\u00e1lu;<\/p>\n<p>(2) modul automaticky odo\u0161le osem \u0161tvorcov\u00fdch v\u013an 40 kHz, automaticky zist\u00ed, \u010di sa sign\u00e1l vracia;<\/p>\n<p>(3) doch\u00e1dza k n\u00e1vratu sign\u00e1lu cez v\u00fdstup IO s vysokou, vysokou dobou trvania je \u010das od spustenia po n\u00e1vrat ultrazvuku.<\/p>\n<p>Testovacia vzdialenos\u0165 = (vysok\u00fd \u010das * r\u00fdchlos\u0165 zvuku (340 M \/ S)) \/ 2;<\/p>\n<p>Tento produkt sa jednoducho pou\u017e\u00edva, ovl\u00e1dacie \u00fasta s\u00fa 10US nad vysokou \u00farov\u0148ou, m\u00f4\u017eete po\u010dka\u0165 na pr\u00edjem v\u00fdstupu vysokej \u00farovne. V\u00fdstup m\u00f4\u017ee by\u0165 otvoren\u00fd \u010dasova\u010d, ke\u010f sa \u00fasta zn\u00ed\u017ei, ke\u010f m\u00f4\u017eete \u010d\u00edta\u0165 Hodnotu \u010dasova\u010da, tentoraz pre vzdialenos\u0165 \u010dasu, mo\u017eno vypo\u010d\u00edta\u0165 zo vzdialenosti. Tak\u00fdto nepretr\u017eit\u00fd cyklus merania m\u00f4\u017eete pos\u00fava\u0165 nameran\u00fa hodnotu<br \/>\nModul obsahuje:<\/p>\n<p>1: Pracovn\u00e9 nap\u00e4tie: DC5V<br \/>\n2: Pokojov\u00fd pr\u00fad: menej ako 2 mA<br \/>\n3: \u00darove\u0148 v\u00fdstupu: Vysok\u00e1 5V<br \/>\n4: \u00darove\u0148 v\u00fdstupu: Spodn\u00e1 0V<br \/>\n5: Uhol sn\u00edmania: nie viac ako 15 stup\u0148ov<br \/>\n6: Detek\u010dn\u00fd rozsah: 2cm-450cm<br \/>\n7: Vysok\u00e1 presnos\u0165: a\u017e 0,3 cm<\/p>\n<p> <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1YKYfNpzqK1RjSZFoq6zfcXXa0.jpg\" width=\"574\" height=\"574\" data-spm-anchor-id=\"a2g0o.detail.1000023.i1.198a4c95Wz4MlV\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor Popis Ultrazvukov\u00fd senzor pre meranie vzdialenosti…<\/p>\n","protected":false},"featured_media":1575,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_cat":[16,78,69],"product_tag":[],"class_list":{"0":"post-1574","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ard","7":"product_cat-magnet","8":"product_cat-sensors","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"\n<title>Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor - 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{"id":1574,"date":"2021-11-18T09:45:30","date_gmt":"2021-11-18T08:45:30","guid":{"rendered":"https:\/\/www.onetimenexttime.sk\/arduino\/?post_type=product&p=1574"},"modified":"2024-02-22T16:43:42","modified_gmt":"2024-02-22T15:43:42","slug":"ultrasonic-sensor-module-hc-sr04-distance-measuring-sensor","status":"publish","type":"product","link":"https:\/\/www.onetimenexttime.sk\/arduino\/index.php\/produkt\/ultrasonic-sensor-module-hc-sr04-distance-measuring-sensor\/","title":{"rendered":"Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor"},"content":{"rendered":"

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\n Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor<\/title><\/p>\n<style>\n table {\n width: 100%;\n border-collapse: collapse;\n }\n th, td {\n padding: 8px;\n text-align: left;\n border-bottom: 1px solid #ddd;\n }\n th {\n background-color: #f2f2f2;\n }\n #copyButton {\n background-color: #4CAF50;\n border: none;\n color: white;\n padding: 10px 20px;\n text-align: center;\n text-decoration: none;\n display: inline-block;\n font-size: 16px;\n margin: 4px 2px;\n cursor: pointer;\n border-radius: 5px;\n }\n <\/style>\n<p><\/head><br \/>\n<body><\/p>\n<h2>Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor<\/h2>\n<table>\n<tr>\n<th>Popis<\/th>\n<td>Ultrazvukov\u00fd senzor pre meranie vzdialenosti<\/td>\n<\/tr>\n<tr>\n<th>Vlastnosti<\/th>\n<td>\n<ul>\n<li>Meranie vzdialenosti pomocou ultrazvuku<\/li>\n<li>Jednoduch\u00e1 integr\u00e1cia s Arduino<\/li>\n<li>N\u00edzka cena<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>\u0160pecifik\u00e1cie<\/th>\n<td>\n<ul>\n<li>Rozsah merania: 2 cm a\u017e 400 cm<\/li>\n<li>Nap\u00e1janie: 5V DC<\/li>\n<li>Rozl\u00ed\u0161enie: 0.3 cm<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edklady pou\u017eitia<\/th>\n<td>\n<ul>\n<li>Meranie vzdialenosti pre robotiku a automatyku<\/li>\n<li>Dopravn\u00e9 syst\u00e9my s automatick\u00fdm parkovan\u00edm<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n<td>\n <code><br \/>\n #define trigPin 9<br \/>\n #define echoPin 10<\/p>\n<p> void setup() {<br \/>\n Serial.begin (9600);<br \/>\n pinMode(trigPin, OUTPUT);<br \/>\n pinMode(echoPin, INPUT);<br \/>\n }<\/p>\n<p> void loop() {<br \/>\n long duration, distance;<br \/>\n digitalWrite(trigPin, LOW);<br \/>\n delayMicroseconds(2);<br \/>\n digitalWrite(trigPin, HIGH);<br \/>\n delayMicroseconds(10);<br \/>\n digitalWrite(trigPin, LOW);<br \/>\n duration = pulseIn(echoPin, HIGH);<br \/>\n distance = (duration \/ 2) * 0.0344;<br \/>\n if (distance >= 200 || distance <= 0) {\n Serial.println(\"Mimo dosahu\");\n } else {\n Serial.print(distance);\n Serial.println(\" cm\");\n }\n delay(500);\n }\n <\/code>\n <\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n<td>\n <code><br \/>\n binary_sensor:<br \/>\n - platform: gpio<br \/>\n pin:<br \/>\n number: GPIO12<br \/>\n mode: INPUT<br \/>\n inverted: true<br \/>\n name: \"Ultrasonic Sensor\"<br \/>\n device_class: occupancy<br \/>\n <\/code>\n <\/td>\n<\/tr>\n<\/table>\n<p><button id=\"copyButton\" onclick=\"copyCode()\">Skop\u00edrova\u0165 k\u00f3d<\/button><\/p>\n<p><script>\n function copyCode() {\n var code = document.querySelector('code');\n var textArea = document.createElement('textarea');\n textArea.value = code.textContent;\n document.body.appendChild(textArea);\n textArea.select();\n document.execCommand('copy');\n document.body.removeChild(textArea);\n alert('K\u00f3d bol skop\u00edrovan\u00fd do schr\u00e1nky.');\n }\n<\/script><\/p>\n<p><\/body><br \/>\n<\/html><\/p>\n<p> <\/p>\n<style>\n table {<br \/>\n width: 100%;<br \/>\n border-collapse: collapse;<br \/>\n }<br \/>\n th, td {<br \/>\n padding: 8px;<br \/>\n text-align: left;<br \/>\n border-bottom: 1px solid #ddd;<br \/>\n }<br \/>\n th {<br \/>\n background-color: #f2f2f2;<br \/>\n }<br \/>\n #copyButton {<br \/>\n background-color: #4CAF50;<br \/>\n border: none;<br \/>\n color: white;<br \/>\n padding: 10px 20px;<br \/>\n text-align: center;<br \/>\n text-decoration: none;<br \/>\n display: inline-block;<br \/>\n font-size: 16px;<br \/>\n margin: 4px 2px;<br \/>\n cursor: pointer;<br \/>\n border-radius: 5px;<br \/>\n }<br \/>\n <\/style>\n<p> <\/p>\n<h2>IR Digital 38khz Infrared Receiver Sensor Module For Arduino<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Popis<\/th>\n<td>IR digit\u00e1lny prij\u00edma\u010d infra\u010derven\u00e9ho sign\u00e1lu s frekvenciou 38 kHz pre Arduino<\/td>\n<\/tr>\n<tr>\n<th>Vlastnosti<\/th>\n<td>\n<ul>\n<li>Detekcia infr\u010derven\u00e9ho sign\u00e1lu<\/li>\n<li>Frekven\u010dn\u00fd rozsah 38 kHz<\/li>\n<li>Kompatibiln\u00fd s Arduino<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>\u0160pecifik\u00e1cie<\/th>\n<td>\n<ul>\n<li>Frekvencia: 38 kHz<\/li>\n<li>Rozsah detekcie: xxx - xxx<\/li>\n<li>Rozmery: xxx mm x xxx mm x xxx mm<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edklady pou\u017eitia<\/th>\n<td>\n<ul>\n<li>Ovl\u00e1danie dom\u00e1ceho zariadenia pomocou dia\u013ekov\u00e9ho ovl\u00e1da\u010da<\/li>\n<li>Detekcia pohybu pomocou infra\u010derven\u00e9ho senzora<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n<td><code><br \/>\n\/\/ Pr\u00edkladov\u00fd k\u00f3d pre pripojenie IR prij\u00edma\u010da k Arduinu<br \/>\n<\/code><\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n<td><code><br \/>\n# Pr\u00edkladov\u00fd k\u00f3d pre pripojenie IR prij\u00edma\u010da k ESPHome<br \/>\n<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><button id=\"copyButton\">Skop\u00edrova\u0165 k\u00f3d<\/button><\/p>\n<p><script>\n function copyCode() {\n var code = document.querySelector('code');\n var textArea = document.createElement('textarea');\n textArea.value = code.textContent;\n document.body.appendChild(textArea);\n textArea.select();\n document.execCommand('copy');\n document.body.removeChild(textArea);\n alert('K\u00f3d bol skop\u00edrovan\u00fd do schr\u00e1nky.');\n }\n<\/script><\/p>\n<p> <\/p>\n<p>...............<\/p>\n<h1>IR Digital 38khz Infrared Receiver Sensor Module For Arduino<\/h1>\n<table>\n<tbody>\n<tr>\n<th>Popis<\/th>\n<td>IR digit\u00e1lny 38 kHz infra\u010derven\u00fd prij\u00edma\u010dov\u00fd senzor pre Arduino<\/td>\n<\/tr>\n<tr>\n<th>Vlastnosti<\/th>\n<td>- Rozsah: 38 kHz<br \/>\n- Digit\u00e1lny v\u00fdstup<\/td>\n<\/tr>\n<tr>\n<th>\u0160pecifik\u00e1cie<\/th>\n<td>- Frekvencia: 38 kHz<br \/>\n- Typ v\u00fdstupu: digit\u00e1lny<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edklady pou\u017eitia<\/th>\n<td>Pou\u017eitie v projektov, kde je potrebn\u00e9 detekova\u0165 sign\u00e1ly v infra\u010dervenom spektre.<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n<td>\n<div class=\"code-container\"><code pre Arduino><\/div>\n<\/td>\n<\/tr>\n<tr>\n<th>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n<td>\n<div class=\"code-container\"><code pre ESPHome><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><button>Skop\u00edrova\u0165 k\u00f3d<\/button><\/p>\n<p><script>\nfunction copyCode() {\n var codeBlocks = document.querySelectorAll('.code-container');\n var codeText = '';\n codeBlocks.forEach(function(block) {\n codeText += block.innerText + '\\n';\n });\n navigator.clipboard.writeText(codeText);\n alert('K\u00f3d bol skop\u00edrovan\u00fd do schr\u00e1nky.');\n}\n<\/script><\/p>\n<p> <\/p>\n<table>\n<tbody>\n<tr>\n<th style=\"text-align: center;\" colspan=\"2\">Ultrazvukov\u00fd senzor HC-SR04 - Senzor merania vzdialenosti<\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" colspan=\"2\"><img decoding=\"async\" src=\"hc-sr04_ultrasonic_sensor.jpg\" alt=\"Ultrazvukov\u00fd senzor HC-SR04\" \/><\/td>\n<\/tr>\n<tr>\n<td><strong>Popis:<\/strong><\/td>\n<td>Ultrazvukov\u00fd senzor HC-SR04 je modul, ktor\u00fd umo\u017e\u0148uje meranie vzdialenosti pomocou ultrazvukov\u00fdch vln. Tento senzor je ve\u013emi presn\u00fd a spo\u013eahliv\u00fd, \u010do ho rob\u00ed ide\u00e1lnym pre mnoho projektov, ako s\u00fa robotika, bezpe\u010dnostn\u00e9 syst\u00e9my, parkovacie senzory a \u010fal\u0161ie. Senzor je kompatibiln\u00fd s Arduino a \u010fal\u0161\u00edmi mikrokontrol\u00e9rmi a \u013eahko sa pou\u017e\u00edva.<\/td>\n<\/tr>\n<tr>\n<td><strong>Vlastnosti:<\/strong><\/td>\n<td>\n<ul>\n<li>Ultrazvukov\u00fd senzor na meranie vzdialenosti<\/li>\n<li>Pou\u017e\u00edva ultrazvukov\u00e9 vlny na meranie vzdialenosti<\/li>\n<li>Ve\u013emi presn\u00fd a spo\u013eahliv\u00fd<\/li>\n<li>Mo\u017enos\u0165 jednoduchej integr\u00e1cie s Arduino a \u010fal\u0161\u00edmi mikrokontrol\u00e9rmi<\/li>\n<li>Vhodn\u00fd pre r\u00f4zne projekty a aplik\u00e1cie<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0160pecifik\u00e1cie:<\/strong><\/td>\n<td>\n<table>\n<tbody>\n<tr>\n<td><strong>Pracovn\u00e9 nap\u00e4tie:<\/strong><\/td>\n<td>5V DC<\/td>\n<\/tr>\n<tr>\n<td><strong>Rozsah merania:<\/strong><\/td>\n<td>2 cm - 400 cm<\/td>\n<\/tr>\n<tr>\n<td><strong>Presnos\u0165:<\/strong><\/td>\n<td>+\/- 3 mm<\/td>\n<\/tr>\n<tr>\n<td><strong>Rozhranie:<\/strong><\/td>\n<td>Digit\u00e1lny (Trigger\/Echo)<\/td>\n<\/tr>\n<tr>\n<td><strong>Maxim\u00e1lna frekvencia:<\/strong><\/td>\n<td>100 Hz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td><strong>Pr\u00edklady pou\u017eitia:<\/strong><\/td>\n<td>\n<ul>\n<li>Meranie vzdialenosti<\/li>\n<li>Detekcia prek\u00e1\u017eok<\/li>\n<li>Automatiz\u00e1cia parkovania<\/li>\n<li>Robotika<\/li>\n<li>Bezpe\u010dnostn\u00e9 syst\u00e9my<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><strong>Pr\u00edkladov\u00fd k\u00f3d pre ESPHome:<\/strong><\/td>\n<td>\n<pre lang=\"yaml\">sensor:\r\n - platform: ultrasonic\r\n trigger_pin: D1\r\n echo_pin: D2\r\n name: \"Ultrazvukov\u00fd senzor\"\r\n update_interval: 5s\r\n unit_of_measurement: cm\r\n accuracy_decimals: 1\r\n filters:\r\n - median:\r\n window_size: 5\r\n on_distance:\r\n above: 10\r\n then:\r\n - switch.turn_on: relay\r\n on_no_distance:\r\n then:\r\n - switch.turn_off: relay\r\n ```\r\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p> <\/p>\n<table>\n<tbody>\n<tr>\n<th style=\"text-align: center;\" colspan=\"2\">Ultrazvukov\u00fd senzor HC-SR04 Modul senzora na meranie vzdialenosti<\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" colspan=\"2\"><img decoding=\"async\" src=\"hc_sr04_ultrasonic_sensor.jpg\" alt=\"HC-SR04 Ultrazvukov\u00fd senzor\" \/><\/td>\n<\/tr>\n<tr>\n<td><strong>Popis:<\/strong><\/td>\n<td>Ultrazvukov\u00fd senzor HC-SR04 je popul\u00e1rny senzor pou\u017e\u00edvan\u00fd na meranie vzdialenosti pomocou ultrazvukov\u00fdch impulzov. Tento modul senzora je spo\u013eahliv\u00fd a jednoducho integrovate\u013en\u00fd do r\u00f4znych projektov, od robotiky po dom\u00e1ce automatiza\u010dn\u00e9 syst\u00e9my.<\/td>\n<\/tr>\n<tr>\n<td><strong>Vlastnosti:<\/strong><\/td>\n<td> <\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Ultrazvukov\u00fd senzor na meranie vzdialenosti<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Presn\u00e9 meranie v rozsahu od 2 cm do 400 cm<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>N\u00edzka spotreba energie a jednoduch\u00e9 pou\u017eitie<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Podpora mnoh\u00fdch mikrokontrol\u00e9rov, vr\u00e1tane Arduina<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> <\/p>\n<p> <\/td>\n<\/tr>\n<tr>\n<td><strong>\u0160pecifik\u00e1cie:<\/strong><\/td>\n<td> <\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>Nap\u00e1janie:<\/strong><\/td>\n<td>5V DC<\/td>\n<\/tr>\n<tr>\n<td><strong>Maxim\u00e1lna vzdialenos\u0165:<\/strong><\/td>\n<td>400 cm<\/td>\n<\/tr>\n<tr>\n<td><strong>Minim\u00e1lna vzdialenos\u0165:<\/strong><\/td>\n<td>2 cm<\/td>\n<\/tr>\n<tr>\n<td><strong>Rozl\u00ed\u0161enie:<\/strong><\/td>\n<td>0.3 cm<\/td>\n<\/tr>\n<tr>\n<td><strong>Rozhranie:<\/strong><\/td>\n<td>Digit\u00e1lny (Trigger a Echo pin)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p> <\/td>\n<\/tr>\n<tr>\n<td><strong>Aplik\u00e1cie:<\/strong><\/td>\n<td> <\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Meranie vzdialenosti pre mobiln\u00e9 roboty<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p> <\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Automatick\u00e9 parkovacie syst\u00e9my a navig\u00e1cia<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p> <\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Meranie hladiny tekut\u00edn v n\u00e1dr\u017eiach<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p> <\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Monitorovanie vzdialenosti pre bezpe\u010dnostn\u00e9 syst\u00e9my<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p> <\/p>\n<p> <\/td>\n<\/tr>\n<tr>\n<td><strong>Vzorov\u00fd k\u00f3d:<\/strong><\/td>\n<td> <\/p>\n<pre lang=\"arduino\">\/\/ Vzorov\u00fd k\u00f3d pre pou\u017eitie ultrazvukov\u00e9ho senzora HC-SR04\r\n#define trigPin 2 \/\/ Definujte pin Trigger pre senzor\r\n#define echoPin 3 \/\/ Definujte pin Echo pre senzor\r\n\r\nvoid setup() {\r\nSerial.begin(9600); \/\/ Inicializ\u00e1cia s\u00e9riovej komunik\u00e1cie\r\npinMode(trigPin, OUTPUT); \/\/ Nastavenie pinu Trigger ako v\u00fdstupn\u00fd\r\npinMode(echoPin, INPUT); \/\/ Nastavenie pinu Echo ako vstupn\u00fd\r\n}\r\n\r\nvoid loop() {\r\nlong duration, distance; \/\/ Deklar\u00e1cia premenn\u00fdch pre trvanie a vzdialenos\u0165\r\n\r\ndigitalWrite(trigPin, LOW); \/\/ Nastavenie pinu Trigger na LOW\r\ndelayMicroseconds(2); \/\/ Oneskorenie pre bezpe\u010dnos\u0165\r\n\r\ndigitalWrite(trigPin, HIGH); \/\/ Aktiv\u00e1cia ultrazvukov\u00e9ho sign\u00e1lu\r\ndelayMicroseconds(10); \/\/ Trvanie sign\u00e1lu\r\ndigitalWrite(trigPin, LOW); \/\/ Deaktiv\u00e1cia sign\u00e1lu\r\n\r\nduration = pulseIn(echoPin, HIGH); \/\/ \u010cakanie na n\u00e1vrat echov\u00e9ho sign\u00e1lu\r\ndistance = (duration \/ 2) \/ 29.1; \/\/ V\u00fdpo\u010det vzdialenosti v centimetroch\r\n\r\nSerial.print(\"Vzdialenos\u0165: \"); \/\/ Vyp\u00ed\u0161te na s\u00e9riov\u00fa linku\r\nSerial.print(distance);\r\nSerial.println(\" cm\");\r\n\r\ndelay(1000); \/\/ Oneskorenie pre \u010ditate\u013enos\u0165\r\n}\r\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Ultrazvukov\u00fd senzorov\u00fd modul HC-SR04 Senzor na meranie vzdialenosti<\/h2>\n<p> <\/p>\n<p>Tento modul m\u00e1 stabiln\u00fd v\u00fdkon a presn\u00e9 meranie vzdialenosti. Modul vysoko presn\u00fd, slep\u00fd (2 cm) ultra-bl\u00edzky, stabiln\u00fd rozsah je \u00faspechom tohto produktu na trhu siln\u00fdm z\u00e1kladom! Tento modul plne pokor\u00ed GH-311 modul proti kr\u00e1de\u017ei.<\/p>\n<p>(1) pomocou IO sp\u00fa\u0161\u0165acieho rozsahu na najmenej 10us vysoko\u00farov\u0148ov\u00e9ho sign\u00e1lu;<\/p>\n<p>(2) modul automaticky odo\u0161le osem \u0161tvorcov\u00fdch v\u013an 40 kHz, automaticky zist\u00ed, \u010di sa sign\u00e1l vracia;<\/p>\n<p>(3) doch\u00e1dza k n\u00e1vratu sign\u00e1lu cez v\u00fdstup IO s vysokou, vysokou dobou trvania je \u010das od spustenia po n\u00e1vrat ultrazvuku.<\/p>\n<p>Testovacia vzdialenos\u0165 = (vysok\u00fd \u010das * r\u00fdchlos\u0165 zvuku (340 M \/ S)) \/ 2;<\/p>\n<p>Tento produkt sa jednoducho pou\u017e\u00edva, ovl\u00e1dacie \u00fasta s\u00fa 10US nad vysokou \u00farov\u0148ou, m\u00f4\u017eete po\u010dka\u0165 na pr\u00edjem v\u00fdstupu vysokej \u00farovne. V\u00fdstup m\u00f4\u017ee by\u0165 otvoren\u00fd \u010dasova\u010d, ke\u010f sa \u00fasta zn\u00ed\u017ei, ke\u010f m\u00f4\u017eete \u010d\u00edta\u0165 Hodnotu \u010dasova\u010da, tentoraz pre vzdialenos\u0165 \u010dasu, mo\u017eno vypo\u010d\u00edta\u0165 zo vzdialenosti. Tak\u00fdto nepretr\u017eit\u00fd cyklus merania m\u00f4\u017eete pos\u00fava\u0165 nameran\u00fa hodnotu<br \/>\nModul obsahuje:<\/p>\n<p>1: Pracovn\u00e9 nap\u00e4tie: DC5V<br \/>\n2: Pokojov\u00fd pr\u00fad: menej ako 2 mA<br \/>\n3: \u00darove\u0148 v\u00fdstupu: Vysok\u00e1 5V<br \/>\n4: \u00darove\u0148 v\u00fdstupu: Spodn\u00e1 0V<br \/>\n5: Uhol sn\u00edmania: nie viac ako 15 stup\u0148ov<br \/>\n6: Detek\u010dn\u00fd rozsah: 2cm-450cm<br \/>\n7: Vysok\u00e1 presnos\u0165: a\u017e 0,3 cm<\/p>\n<p> <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1YKYfNpzqK1RjSZFoq6zfcXXa0.jpg\" width=\"574\" height=\"574\" data-spm-anchor-id=\"a2g0o.detail.1000023.i1.198a4c95Wz4MlV\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor Popis Ultrazvukov\u00fd senzor pre meranie vzdialenosti…<\/p>\n","protected":false},"featured_media":1575,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_cat":[16,78,69],"product_tag":[],"class_list":{"0":"post-1574","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ard","7":"product_cat-magnet","8":"product_cat-sensors","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"\n<title>Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor - 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