I spent the last month working on the AV carts at church. They’re used in our academy and in our sunday school classes every week. They have a great deal of functionality and needed a serious overhaul because of people’s “adaptations.” I think what I’ve come up with will work just fine.
The final layout is similar to the original, but with a couple of modifications. Let’s start from the top. The laptops and the projectors are on two different shelves on the cart, but some carts had the PC on the higher and others on the lower, and the same for the projector. Solution: put the laptop on the higher part for ease of use and the projector (with auto-keystoning) on the lower one. We also provide a small wooden block to prop up the projector if it is too low. Behind the projector are all the wires and two of a 2.1 Logitech speaker system and the wired remote. The block, speakers, and remote all get a new piece of velcro to hold them in place on the shelf.
The second shelf has a DVD/VCR on it, also velcro-ed to the shelf. On top of that is a thicker piece of velcro for the two other remotes; for the projector and the DVD player itself to adhere to. Those remotes of course have velcro strips on them. The previous design had a tiny sliver of velcro to put the remotes on the cart but the pieces were so small, they all fell off!
Inside the cart are the most important guts of the apparatus. One, not two, but one power strip takes care of our four devices. This is zip-tied to the grill of the cart. It may be simpler to have used bolts, but oh well, zip ties work. the wires also sit within this cavity.
The very bottom of the cart has one more shelf for the large .1 Logitech subwoofer. All the wiring goes through the provided holes in the shelves to tech the power strip on the inside.
Now, we used to have 2 power strips on these carts. A white one on the inside which plugged into a black one bolted to the side. This “worked” but actually ended up breaking the white strips plugs because of how tight the plug was secured to the outer strip. The solution was to eliminate the white one altogether. I keep the black one because it has a 15 foot extension.
Other fun things of note. One wheel was very unstable. I made a quick solution so the cart wouldn’t fall over, one of my most proud achievements in using a power drill. I made a hole above the wheel and added a bolt into its “bolt-screw-in-holder-thing.” This gave the wheel much needed stabilization and it’s as good as used!
Every cart is identical in it’s layout and functionality. Other peripherals such as remotes and IR receivers were added as necessary, and I found according to my records, that we actually didn’t lose and of those peripherals in the past year! Whoohoo!
Do you have AV carts like these at your workplace or church? Think you should/could/would? Drop me a line on what you think about how I designed these 7 and what you think about doing your own!