{"id":43,"date":"2019-02-05T16:48:49","date_gmt":"2019-02-05T16:48:49","guid":{"rendered":"http:\/\/engprojects.tcnj.edu\/petshearingaid19\/?page_id=43"},"modified":"2019-02-05T16:52:01","modified_gmt":"2019-02-05T16:52:01","slug":"specifications-design","status":"publish","type":"page","link":"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/specifications-design\/","title":{"rendered":"Specifications &#038; Design"},"content":{"rendered":"\n<p><strong>Specifications:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Small in size (7 in x 5 in x 3 in)<\/li><li>Lightweight (&lt;1 pound)<\/li><li>Convert sound over 75 dBsl dynamic range into vibration<ul><li>Vibration intensity will differ depending on sound intensity<\/li><li>Maximum safe level for vibration<\/li><\/ul><\/li><li>Frequency range from 100 Hz &#8211; 24 kHz<\/li><li>Battery to operate for >= 15 hours<\/li><li>Temperature range from 0\u00b0F &lt; T &lt; 100\u00b0F<\/li><li>Fit onto vari<\/li><li>ous sized dog vests<\/li><\/ul>\n\n\n\n<p><strong>Design Overview:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"893\" height=\"1024\" src=\"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-content\/uploads\/sites\/101\/2019\/02\/SPICE-893x1024.png\" alt=\"\" class=\"wp-image-46\" srcset=\"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-content\/uploads\/sites\/101\/2019\/02\/SPICE-893x1024.png 893w, https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-content\/uploads\/sites\/101\/2019\/02\/SPICE-262x300.png 262w, https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-content\/uploads\/sites\/101\/2019\/02\/SPICE-768x881.png 768w, https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-content\/uploads\/sites\/101\/2019\/02\/SPICE.png 1447w\" sizes=\"auto, (max-width: 893px) 100vw, 893px\" \/><figcaption>LTSpice Design<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Simple single motor vibration circuit repeated five times on each breadboard<\/li><li>Voltage connected across the terminals of the vibration motor (polarity ignored)<\/li><li> Motors have operate under a voltage of 3.3V (input by the Arduino Uno via 2 AA batteries and a regulator)<\/li><li>NPN transistor is used to provide current amplification in the circuit <\/li><li>Diode connected reverse biased in parallel to the motor for protection against possible voltage spikes<\/li><li>Capacitor serves to absorb significant voltage spikes<\/li><li>Resistor to control the level of current flowing from the output of the transistor<\/li><li> Diode connected reverse biased in parallel to the motor for protection against possible voltage spikes<\/li><li>Capacitor serves to absorb significant voltage spikes<\/li><li>Resistor to control the level of current flowing from the output of the transistor <\/li><\/ul>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Specifications: Small in size (7 in x 5 in x 3 in) Lightweight (&lt;1 pound) Convert sound over 75 dBsl dynamic range into vibration Vibration intensity will differ depending on sound intensity Maximum safe level for vibration Frequency range from 100 Hz &#8211; 24 kHz Battery to operate for >= 15 hours Temperature range from &hellip; <a href=\"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/specifications-design\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Specifications &#038; Design<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":164,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-43","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-json\/wp\/v2\/pages\/43","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-json\/wp\/v2\/users\/164"}],"replies":[{"embeddable":true,"href":"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-json\/wp\/v2\/comments?post=43"}],"version-history":[{"count":0,"href":"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-json\/wp\/v2\/pages\/43\/revisions"}],"wp:attachment":[{"href":"https:\/\/engprojects.tcnj.edu\/petshearingaid19\/wp-json\/wp\/v2\/media?parent=43"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}