I guess it only detects knocks, but I want to create a "real" keyboard that requires you to hit the correct keys. Ideally I would like some thin plastic I can lay on the ground and read with a digital pin if it is triggered or not, but I guess that is hard.
I would like to make a bounce juggling piano like in this video: , I think this is fake. I would like for it to be just some thin sensors or something I can lay on the ground and bounce the balls on? I cannot use wood or cardboard because that will ruin the bounce. So I am looking for some good sensors I can use for this that is easy to read from the arduino. I have been thinking about piezo-elements, but I am not sure how to separate them unless I have separate blocks for the separate keys, but then the balls will fly away if they hit the area between the different keys. Do you have any ideas for sensors for this, the keys have to be quite a bit larger than the balls.
I am thinking about using the new Music shield from Sparkfun to generate the different sounds.
Noen som vet hvordan en enkelt regner om koordinatene til noe som kan brukes i Google Maps så en ser at det virker? Jeg brukte en eller annen side, men jeg bommet vel med ca 100 km, ble plasert ute i sjøen utenfor Trondheim.
Thanks, so to use the 4066 or 4067 it looks to me like I would use them to make a small MUX tree? Connect the different sources to the different inputs and then use the outputs of these switches into new inputs.
I would like to make my Arduino receive IR-signals from a remote and then switch the sound source input to my speakers. The remote part is not the problem, but how do I make a good and simple sound source switcher with maybe four stereo inputs?
I want to make a self-balancing robot with Futaba continouos rotation servos. I would like to power the servos from 4XAA 1.2V batteries since they might draw to much current for the Arduino. How do I get my control signal to the servos to the correct voltage. The servo VIN pin will get 4.8V while the output from the Arduino will be 5V.
I have bought two servos by parallax/futaba that I want to use for a robot. I am experimenting a bit with them to understand how I control them. If I use the servo library with Arduino I can make them rotate, but I do not know if I can change the speed and direction. What values should I use with the write-routine in the library?