Rev. B of Instrumentation Amplifier Hardware

Rev. B of Instrumentation Amplifier Hardware. This revision fixes a few minor design and production problems, adds a stencil file, and updates the hardware photos. This is a tested working unit.

Rev. A of Instrumentation Amplifier Hardware

This is the initial prototype of a dual channel instrumentation amplifier. Rev. B is already in progress. This release is to maintain versioning of the hardware.