{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-c03aa079.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-517835be.css\" media=\"all\" /\u003e\n\u003cdiv data-title='Throw out your breadboard! Dr. Duino: An Arduino Shield for debugging and developing' data-url='/boclips/videos/62a0e485e0c1b1390d74cb95' data-video-url='/boclips/videos/62a0e485e0c1b1390d74cb95' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nThrow out your breadboard! Dr. Duino: An Arduino Shield for debugging and developing\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30358947\" href=\"/search?publisher_ids%5B%5D=30358947\"\u003eProgramming Electronics Academy\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003e*Description:*In the last couple of episodes we have talked about Arduino shields and breakout boards.  In this video, we will review a specific Arduino shield that makes developing projects and debugging sketches on the Arduino...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003e*Description:*\u003cbr/\u003e\u003cbr/\u003eIn the last couple of episodes we have talked about Arduino shields and breakout boards.  In this video, we will review a specific Arduino shield that makes developing projects and debugging sketches on the Arduino extremely easy - it's called Dr. Duino.\u003cbr/\u003e\u003cbr/\u003e\u003cbr/\u003eAn Arduino Shield for Arduino Shields\u003cbr/\u003e\u003cbr/\u003eThe Dr. Duino is an Arduino Shield.  As would expect, it fits snuggly on top of the Arduino headers and has pin headers of it's own, which can easily accept a shield on top.\u003cbr/\u003e\u003cbr/\u003eThe first thing you notice about Dr. Duino is that it's built like a doughnut - it's got a giant hole in the middle!  (FYI - It does not taste like said pastry…)\u003cbr/\u003e\u003cbr/\u003eThere are a couple reasons for this form factor, but foremost is that even after you stack another shield on top of Dr. Duino, you still have easy physical access to all its resources.\u003cbr/\u003e\u003cbr/\u003eDr. Duino Hardware Resources\u003cbr/\u003e\u003cbr/\u003eWhat resources are we talking about?  Dr. Duino has 4 momentary pushbuttons, 5 LEDs, 6 potentiometers, an RS232 connector, and a bunch of access points for 5 volts, 3.3 volts and ground, oh yeah, and a siren (piezo buzzer).\u003cbr/\u003e\u003cbr/\u003eSo how do you access these resources and why would you even care to?  Both great questions! \u003cbr/\u003e\u003cbr/\u003eThe core feature that allows us to use all the hardware I just talked about are groups of three “jumper” pins that surround the board.\u003cbr/\u003e\u003cbr/\u003eAlmost every pin on the Arduino is associated with a set of these jumper pins.  The middle pin is connected directly to the Arduino pin. \u003cbr/\u003e\u003cbr/\u003eThe pin on the left is connected to the pin header on top of the Dr. Duino.  The pin on the right is connected to the one of the hardware resources on the Dr. Duino board. \u003cbr/\u003e\u003cbr/\u003eWith each set of these three jumper pins we get a plastic encased \"jumper\" - it fits snug on top 2 pins, and electrically connects them together.\u003cbr/\u003e\u003cbr/\u003eFor every Arduino pin that has associated Dr. Duino jumper pins we have 2 decisions:  \u003cbr/\u003e\u003cbr/\u003e1) We can route the Arduino pin to the shield above by connecting the center pin to the jumper pin on the left.  This passes the Arduino pin directly up to the shield if you have one attached, bypassing the Dr. Duino.\u003cbr/\u003e\u003cbr/\u003e2) Or, we can route the Arduino pin to the resource on the Dr. Duino shield, bypassing the shield above.  Each pin has a different \"resource\" or piece of hardware that you can use.  \u003cbr/\u003e\u003cbr/\u003eHere is a quick mnemonic for remembering how to place the “jumper” on the “jumper pins” – Left goes Up (to the shield above), Right goes to Down (to the Dr. Duino).\u003cbr/\u003e\u003cbr/\u003eDigital pins 5, 6, 10, 11, and 13 have LEDs attached.  Digital Pins 7, 8, 9 and 12 have momentary pushbuttons attached.  Analog pins A0 - A5 have potentiometers attached and digital pin 3 is attached to the piezo buzzer.\u003cbr/\u003e\u003cbr/\u003eAll these asset are extremely helpful.  \u003cbr/\u003e\u003cbr/\u003eFor example, let's say I am prototyping with a motor shield.   What I want is for every time I press a button, then a servo moves 180 degrees.  Instead of having to bust out a breadboard and jumper wires, I simply move a jumper on the Dr. Duino and I now have a preinstalled button.  As long as the shield is not using that pin for anything, it's fair game to route that pin to the Dr. Duino.\u003cbr/\u003e\u003cbr/\u003eOr, maybe I want to turn a potentiometer to get the servo to move.  Once again - scrap the breadboard - just move a jumper on one of the analog pins and you have a built in potentiometer - in fact, every analog pin has its own dedicated potentiometer!  Trying to put 6 potentiometers on a breadboard and run jumpers is a major pain - having these built right in and so compact is great.\u003cbr/\u003e\u003cbr/\u003ePotentiometers are great for simulating sensor inputs too.  Say you are developing a project that lights up LEDs based on inputs from a pressure sensor - but you don't have the sensor yet.  No worries - just use the potentiometer built in to the Dr. Duino to simulate the input from the pressure sensor.\u003cbr/\u003e\u003cbr/\u003eAnother great resource is the piezo buzzer.  Most of us get used to using the serial window to debug our sketches.  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