{"id":15019,"date":"2022-10-10T02:40:35","date_gmt":"2022-10-09T21:10:35","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-control-servo-using-android\/"},"modified":"2022-10-10T02:40:35","modified_gmt":"2022-10-09T21:10:35","slug":"solved-control-servo-using-android","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-control-servo-using-android\/","title":{"rendered":"[Solved] control servo using android"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-44402203\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"44402203\" data-parentid=\"44381882\" data-score=\"0\" data-position-on-page=\"2\" data-highest-scored=\"0\" data-question-has-accepted-highest-score=\"0\" itemprop=\"suggestedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<ol>\n<li>Read the data as string using: <code>string input = bluetooth.readString();<\/code><\/li>\n<li>Then convert string to int using: <code>int servopos = int(input);<\/code> <\/li>\n<li>Then write the position to the servo:<code>servo.write(servopos);<\/code><\/li>\n<\/ol>\n<p>Now depending on the data you send from android, you could need to :<br \/>\nTrim it: <code>input = input.trim();<\/code><br \/>\nOr constrain it : <code>servopos = constrain(servopos,0,180);<\/code>  <\/p>\n<p>Your corrected code:  <\/p>\n<pre><code>#include &lt;SoftwareSerial.h&gt;\n#include &lt;Servo.h&gt;\nServo servo;\nint bluetoothTx = 10;\nint bluetoothRx = 11;\nSoftwareSerial bluetooth(bluetoothTx, bluetoothRx);\nvoid setup() {\n  servo.attach(9);\n  Serial.begin(9600);\n  bluetooth.begin(9600);\n} \n\nvoid loop() {\n  \/\/read from bluetooth and wrtite to usb serial\n  if (bluetooth.available() &gt; 0 ) {\n    String s = bluetooth.readString();\n    s.trim();\n    float servopos = s.toFloat();\n    servopos = constrain(servopos, 0, 180);\n    Serial.println(\"Angle: \"+String(servopos));\n    servo.write(servopos);\n  }\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">3<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved control servo using android <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Read the data as string using: string input = bluetooth.readString(); Then convert string to int using: int servopos = int(input); Then write the position to the servo:servo.write(servopos); Now depending on the data you send from android, you could need to : Trim it: input = input.trim(); Or constrain it : servopos = constrain(servopos,0,180); Your &#8230; <a title=\"[Solved] control servo using android\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-control-servo-using-android\/\" aria-label=\"More on [Solved] control servo using android\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[452,1889,3058,3904],"class_list":["post-15019","post","type-post","status-publish","format-standard","hentry","category-solved","tag-android","tag-arduino","tag-bluetooth","tag-servo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] control servo using android - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-control-servo-using-android\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] control servo using android - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Read the data as string using: string input = bluetooth.readString(); Then convert string to int using: int servopos = int(input); Then write the position to the servo:servo.write(servopos); Now depending on the data you send from android, you could need to : Trim it: input = input.trim(); Or constrain it : servopos = constrain(servopos,0,180); Your ... 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Then convert string to int using: int servopos = int(input); Then write the position to the servo:servo.write(servopos); Now depending on the data you send from android, you could need to : Trim it: input = input.trim(); Or constrain it : servopos = constrain(servopos,0,180); Your ... 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