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Add the following snippet to your HTML:. Project tutorial by Arduino. Keeping your valuable items away from prying eyes can be hard sometimes, unless you put it in a big safe or something similar We can't guarantee the safety of your belongings, but at least it will be a fun deterrent for potential thieves.
In order to open the box, which is held closed with a servo motor, you will have to turn the potentiometers until you get the right combination. The combination can be set through the online app Blynk. An LED will help you guess, giving you colour feedbacks: the closer you are the warmer the colour. When the right combination is guessed the buzzer will start playing a song while Im Wald Auf Der Heide - Peter Schreier - Die Schönsten Volkslieder servo will open the box.
Blynk is a popular mobile app for Internet of Things, it allows us to easily control Puzzlebox - Spires - Puzzlebox internet connected Arduino from everywhere, anytime.
It was founded on Kickstarter and quickly became one of the most used apps in this field, thanks to both its awesome documentation and its simplicity. Creating a new project is really easy, just follow these few simple steps or take a look at the official getting started by Blynk. After you successfully created a new project you should The Juggler - Fox - Fox receive via mail the Auth Token.
It is a unique identifier which is needed to connect your hardware to your smartphone. Every new project you create will have its own Auth Token. In order to connect the Arduino to the app we will need to install the Blynk library. If you are using the Arduino Web Editor the library will be automatically downloaded when you include it in the sketch, otherwise you can download that from the library manager.
Now we are ready to go. Upload this sketch and play with the sliders to see the result:. The brightness can be regulated changing the output value of the Analog pin 3 from 0 to with 0 being the maximum value. To read the value of the potentiometers we will only need an analogRead on the correct pin. We are connecting them to Analog pin 012.
Note that the value of a potentiometer spans from 0 to making the combination impossible to guess. To map those values from 0 to 9 we will use the map function. We will use the RGB LED as a Puzzlebox - Spires - Puzzlebox to help people Puzzlebox - Spires - Puzzlebox the combination, the closer they get to the right value the warmer the colour of the LED, spanning from blue, aqua, yellow and red.
Now we are ready to put things together: connect the board to Blynk, the potentiometer to the LCD screen and make the LED blink green when the combination is correct. Note that the initial value is set to 1, it will change only if you modify the values of the sliders on the app. If you reset the board the combination will be back to the default value. We will use the Puzzlebox - Spires - Puzzlebox to play a melody when the box is opened.
More precisely we will Puzzlebox - Spires - Puzzlebox the Star Wars theme song! The servo motor is the lock of our box, we will need it to turn 90 degrees when the combination is correct, so that the box will open. Note that in order to turn the servo back and close the box all you'll have to do is to turn all potentiometer to 0.
It wouldn't be a box without a box, so download the case file below and use it as guide to build your DJ Kompact - Extended Play. Please log in or sign up to comment. Project tutorial by Giovanni Gentile. Sign In. My dashboard Add project. PuzzleBox Project tutorial by Arduino 19, views 1 comment 16 respects.
Project tutorial. Of course, we advise you to stash you candy in there In a Nutshell In order to open the box, which is held closed with a servo motor, you will have to turn the potentiometers until you get the right combination. Download the app. Create an account. Puzzlebox - Spires - Puzzlebox Project. Give it a name and select MKR as a device. Add 3 slider widget.
Click on the slider and set the value from 0 to 9. Select Trouble No More - Larry Howard - Larry Howards Cornerstone Blues Jam different Virtual pin for each slider.
Play the project by clicking the Top-Right play icon. Print on the Serial monitor the combination when it's changed. LCD Screen wiring. Potentiometers wiring. LED pins. LED wiring. Buzzer wiring. Servo wiring. Complete sketch. Case Download. PDF Download. Wiring Download.
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