The USB reducing card reader. You plug in a card from your digital camera into the reader and then plug the reader into a USB port. Then you create directories called "nnnxmmm" (for example "480x320") and "left", "right", "flip", "png", "bmp", etc. Do get to the card in card reader, you go through these directories. Then you get to the root directory of the card, "DCIM" in the case of the Canon digital camera. Then under the directories, any jpgs are converted according to the directory structure--F:\320x240\png\right\DCIM\IMG_0234.png might be an original jpg at 1024x1680 converted to a png at 320x 240 and rotated to the right. That way, if you have a digital camera, you can create pictures for uploading to blogs over slow African connections. It's all done in hardware. No need to download "ifranview" and figure that out. The configuration is all done by creating directories and subdirectories, so it is simple.
A machine, either woking like a plotter with X, Y, and Z rails--or maybe like a football camera with 4 corner motors that pull on a cord connected to a common point. You would put this into a room where it can make a small thing move around in the space of the room. The thing that moves around would have microphones sensitive to mosquito frequencies and based on either volume differences between the microphones or phase differences between the signal from the microphone, it would chase mosquitos. When it gets close enough, it would activate a wire cage electrified like those tennis racket shaped electric bug zappers.
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