Thursday, July 28, 2016

B2B Lab: Musical Nite Lite...

Is your little one (or yourself :-) a little afraid of the dark or has trouble falling to sleep?

Perhaps a Musical Robotic Nite Lite will help relieve the fears and provide a soothing way to fall asleep.

The Musical Robotic Nite Lite uses a NXT or EV3 programmable controller brick. A NXT programmable controller brick was used here, a NXT touch sensor, a NXT ultrasonic sensor, NXT/RCX lamps, Mindsensors® cables or LEGO Mindstorms cables, a NXT conversion cable, and of course various LEGO elements. Although a NXT brick was used, it was programmed with EV3 software (I'm having trouble NXT software and Mac OS Yosemite on my computer-see post: B2B - Lab: NXT and EV3, they work together  

How it works:
The touch sensor triggers it to start, causing the light to come on and lullaby to play. The lullaby was recorded from a stuff windup toy and had to be saved as a couple of small sound files. The song repeats for three loops then stops and the light turns off. The loop control can be adjusted to however long it takes the child/you to fall asleep. 
If one wakes up in the middle of the night, just a wave of the hand in front of the ultrasonic starts it again.

Be sure the sleep control on the programmable controller brick is set to  NEVER and the battery is fully charged or is plugged into the charger and electrical outlet.

Another version of a robotic Nite Lite was developed by Antonio, a Brics~2~Bots  Lab student, is posted at:

Sleep tight and don’t let the boogie monsters under the bed keep you awake…


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