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I'm looking to hire someone who can prototype a device for me. It's not going to be micro controller-based, but rather designed with basic IC building blocks like the 555, op amps, low-pass filters, etc. The idea is to build a VCO theremin-like circuit capable of taking input from a variety of interchangeable resistive and voltage analog sensors such as photocells and FSRs as well as piezo, conductive rubber, and also powered sensors with voltage outputs like the Sharp IR distance rangers., The output needs to be a clean pure sinewave with minimal overtones. Must be battery powered, using AA or AAA cells.
Input should be a range of sensors so I can attach either resistive sensors such as photocells or voltage sensors such as IR distance ranger.
Output should be audible frequency range, varying with the resistance or voltage of the various sensors that can be attached to the device.
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