 |
| Site and Dimensions |
 |
|
This was how I connected all the lights to a
battery. I chose a parallel connection because if one bulb burnt out, the rest
would still work properly. However, this connection has a problem. The reasons
being all the bulbs share the power from a small battery, and since many bulbs
are connected, there is a need for a bigger capacity of battery. After
connect the circuit, the bulbs lit for few seconds. Then the battery dies.
After I talked to the battery shop, a person suggested me to use a car battery
instead of my 3A motorbike battery. This try doesn't work because a car battery
doesn't fit in a locker.
|
 |
|
There were two mechanisms that I thought of at that
time to make an object fall out of a locker after it was opened. One was using
a spring mechanism, and the other was a manual method. However, before getting
started, I needed to fill up at the bottom of a locker so there wouldn't be a
front piece to block an object when it was about to fall. I found out that in
order for the spring mechanism to work, I needed (1.) a spring that could work
with a certain force applied (2.) an object that had some weight to be able to
push the spring (3.) a locker's door had to hold so the mechanism worked only
when a person opened the locker, and (4.) the spring should go out straight not
bend, so I might need an addition track for it, which would make an installing
method even more complex. There are too many variables, so I chose to leave it
there.
For the manual mechanism, I thought of a sequence of how I opened a
locker, and how an object was being pushed. So I connected a piece of cardboard
to a string, connect they in the locker, and tie a string to the locker's door.
That mechanism worked well because no matter how heavy an object was a person
would apply his force just enough to pull both the door and the object itself.
|
No comments:
Post a Comment