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Archive for the ‘fountain’ Category

Dic
16

7 brushless pumps for a fountain controlled by Arduino Micro

arduino, Featured, fountain, micro, water pump Commenti disabilitati su 7 brushless pumps for a fountain controlled by Arduino Micro 

fountain
Using Arduino Micro to control a fountain is the project shared by Michael Diesing on Twitter:

May I introduce my second ARDUINO-project with own pcb. With the pcb I am able to drive seven brushless pumps(with integrated electronics). The “problem” with such kind of pumps is that they don’t accept unfiltered pwm-signals as supply voltage. So I created a circuit where the pwm-signals of an ARDUINO-micro are level-shifted to 12V with a darlington array and afterwards filtered with a 1 uF ceramic capacitor and a 730 Ohm resistor (low pass filter). The signals are then led into the adjust-pins of seven “lm317″s. To work properly I needed to connect the adjust-pins also with 2500 Ohm resistors to gnd, but I found out that with two l293d instead of the used TDP62783 (darlington array) these resistors are not needed, but different resistor and capacitor values for adequate filtering!
The pums also have tacho signals which I connected via schottky-diodes to the ARDUINO (inputs with pullup). With the tacho-signals I am able to find out if pumps are stuck, are sucking air or are not connected.
Additionally I added one ACS712-05B current sensor (which measures the entire current of the circuit) that could be used to find out if pumps that don’t have tacho-signals are working properly. At the moment it is not used.
Besides that I integrated a lm386 audio-amp used to amplify the signal of an electret-mic to a level that is suitable for the ATEMGA’s ADC.

As the first project for the pcb I created a fountain consisting of a shortened wine barrel, seven brushless pumps, a pushbutton with led and pebbles (s. video).
There are seven animation-modes which can be selected via the pushbutton (the selected mode is stored in eeprom).
The speed of the pumps is checked permanently during operation.
The average power consumption is ~20W and max. consumption is 30W.

Discover the different modes to control it reading the description on youtube video.

Set
23

Yes, The Drink Up Fountain is talking to you!

arduino, education, Featured, fountain, Interaction Design, mega, water Commenti disabilitati su Yes, The Drink Up Fountain is talking to you! 

drinkupfountain

The Drink Up Fountain is project created in September 2014 by YesYesNo Interactive studio in collaboration with Partnership for a Healthier America’s Honorary Chair – First Lady Michelle Obama, and Y&R New York, VML New York creative agencies, dedicated to encouraging people to drink more water more often: “You are what you drink, and when you drink water you drink up!”

The Fountain runs on Arduino Mega  and

dispenses entertaining greetings and compliments intended to entice the drinker to continue sipping. When a drinker’s lips touch the water, the fountain “talks,” completing a circuit and activating speakers. When the drinker pulls his or her head away and stops drinking, the circuit breaks and the fountain stops talking. With hidden cameras set up, Drink Up caught unsuspecting individuals using the fountain in New York City’s Brooklyn Bridge Park

DrinkUp_Fountain_2
Take a look at the video to see how the fountain interacts the people:

Nov
09

Tropism Well: A Tall Drink of Water

arduino, benevolent, british, Design, england, fountain, Made On Earth, MAKE Magazine, uk, water, water fountain Commenti disabilitati su Tropism Well: A Tall Drink of Water 

Instead of cricking your neck to drink from a water fountain, what if the fountain cricked its neck for you? Tropism Well is an interactive sculpture that senses when someone is near and bows to pour water into a glass.


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