Computers, televisions and other electronic devices, as well as electricity, are not to be found at Hogwarts. In Harry Potter and the Goblet of Fire, Hermione indicates that due to the high levels of magic, "substitutes for magic (that) Muggles use" such as computers, radar and electricity "go haywire" around Hogwarts.
It's right there, plain as day, electrical systems go "haywire" around Hogwarts. Anything that draws power off of electricity, whether it is a cell phone, sony walkman, electric shaver, will go "haywire."
Now lets break it down each Clone weapon, one at a time:
BLASTERS: Blasters are activated by power packs, gas cartridges, pretty sure they will work, looking into it now.
LIGHTSABERS: http://starwars.wikia.com/wiki/File:Lightsaber-cutaway.jpg
Look at all those electrical components, they will be going haywire.
VEHICLES: Walkers and what not, their electrical systems will be going haywire, sensors included,.
Haywire literally means out of control.
But hey, if you guys think all those electrical components going haywire will have no impact whatsoever on how the weapon/vehicle/sensors perform, more power to you.