Code for Ultrasonic Sensor<\/h2>\n\/*\r\n*Cov-Aid Belt\r\n*This code is for the ultrasonic sensor. It measures the distance of any object from the sensor \r\n*and compares it to a threshold. If it's less than the threshold, it outputs a HIGH to SEN_PIN \r\n*and LOW otherwise.\r\n*\/\r\n#include <NewPing.h>\r\n\r\n\/* Part of the code taken from https:\/\/nsfsmartmakerspaces.github.io\/physcomp\/parts\/0572\/ *\/\r\n\r\nconst int TRIGGER_PIN = 11; \/\/ Digital output pin for chirp trigger\r\nconst int ECHO_PIN = 12; \/\/ Digital input pin for echo reply\r\nconst int SEN_PIN = 13;\r\n\/\/ Maximum distance we want to ping for (in centimeters).\r\n\/\/ Typical maximum sensor distance is rated to 100cm.\r\nconst int MAX_DIST = 100;\r\n\r\n\/\/ Variable to keep track of the current proximity\r\nint currentDist;\r\nint outSen;\r\n\r\n\/\/ Setup the ultrasonic ranger with the correct pins and\r\n\/\/ maximum distance\r\nNewPing mySonar(TRIGGER_PIN, ECHO_PIN, MAX_DIST);\r\n\r\nvoid setup() {\r\n pinMode(SEN_PIN, OUTPUT);\r\n \/\/ Setup serial port to send the current proximity back to the computer\r\n Serial.begin(9600);\r\n}\r\n\r\nvoid loop() {\r\n \/\/ Get the ultrasonic ranger distance\r\n currentDist = mySonar.ping_cm();\r\n \/\/ Send HIGH when object less than 10cm, LOW otherwise\r\n \/\/ currentDist == 0 implies that no object is detected\r\n if (currentDist<10 && currentDist!=0) {\r\n digitalWrite(SEN_PIN, HIGH);\r\n outSen = 1;\r\n } else {\r\n digitalWrite(SEN_PIN, LOW);\r\n outSen = 0;\r\n }\r\n \/\/ Send the data over serial\r\n Serial.print(\"Ping (cm): \");\r\n Serial.println(currentDist); \/\/ Send ping, get distance in cm and print result (0 = outside set distance range)\r\n Serial.println(outSen);\r\n \/\/ Delay to not send messages too fast.\r\n delay(100);\r\n}<\/pre>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
Description The Cov-Aid belt is a belt that helps you stay safe and battle coronavirus. It has 3 switches that help you select your statuses and 1 ultrasonic…<\/p>\n","protected":false},"author":137,"featured_media":11401,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[185,86],"tags":[],"_links":{"self":[{"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/posts\/11116"}],"collection":[{"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/users\/137"}],"replies":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/comments?post=11116"}],"version-history":[{"count":9,"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/posts\/11116\/revisions"}],"predecessor-version":[{"id":11419,"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/posts\/11116\/revisions\/11419"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/media\/11401"}],"wp:attachment":[{"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/media?parent=11116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/categories?post=11116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-json\/wp\/v2\/tags?post=11116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-content\/uploads\/2021\/09\/20210921_225256-scaled.jpg\")
![\"\"](\"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-content\/uploads\/2021\/10\/WhatsApp-Image-2021-10-08-at-8.39.39-PM.jpeg\")
![\"\"](\"https:\/\/courses.ideate.cmu.edu\/62-362\/f2021\/wp-content\/uploads\/2021\/10\/WhatsApp-Image-2021-10-08-at-8.39.39-PM-1.jpeg\")