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As an avid fan of the show Dr Who, [Adam Sifounakis] saw a model for a laser-cut TARDIS that piqued his curiosity that eventually grew into a multi-week project involving multiple setbacks, missteps, revamps and — finally — gratification. Behold, his sound activated TARDIS.

First and foremost, assembling and painting the model was a fun puzzle — despite a few trips to the store — with a little backtracking on the painting due to impatience. Next, the creation of a pulsing soft white LED circuit timed with an audio clip to really sell the image of a mini-TARDIS proved to be a tedious ordeal, paying off in the end with a satisfying glow through the vellum-diffused windows on the model.

How to trigger the lights? [Sifounakis] initially wanted a capacitive sensor to trigger the sound effects, but that way lay dragons — and madness — so he went with snap-activated effect to activate the TARDIS like the Doctor himself. After struggling with building his own microphone setup, he switched to an electret mic with adjustable gain which worked like a charm. Setting up this TARDIS’ Adafruit Pro Trinket brain involved a snag or two, and after that it was smooth sailing!

Until he hit another hitch with the power circuit too, that is.┬áLuckily enough, adding a capacitor to give the circuit a bit more juice on boot solved the issue. All that was left to do was dismantle and rebuild his circuit after all this troubleshooting and substitutions, and — finally — install it in his model.

With much satisfaction and a final rework of the LED pulsing effect, it was done. Check it out!

Be it in the shape of an infrasonic subwoofer, a motion-sensing alarm, or topping Christmas trees, the TARDIS never fails to amaze.


Filed under: Arduino Hacks, hardware
Giu
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Build Temperature & Humidity & Smoke Detector Alarm System Based on Arduino

arduino, Humidity, ICStation, smoke, temperature Commenti disabilitati su Build Temperature & Humidity & Smoke Detector Alarm System Based on Arduino 

FL2MO8AHV72CMIW.MEDIUM

By ICStation:

Build temperature & humidity & smoke alarm system based on ICStation Mega 2560 compatible with Arduino( Cost is USD32.39 ONLY) .
The working voltage of this system is DC5V.It can measure the current temperature, humidity and smoke. It can display real-time data by the 1602 LCD and can realize the sound and light alarm when in the dangerous temperature and humidity. It is a simply and easily to operate monitoring alarm system about temperature humidity and smoke.

Build Temperature & Humidity & Smoke Detector Alarm System Based on Arduino - [Link]



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