Jaco’s Random Writings

Ahoy, everyone!

Here I have some new pictures of a new circuit I’ve just gotten to work. Instead of using a transistor, I’m now using an OpAmp to boost the signal. It works quite nicely, may I say so myself.

These are the pictures of the circuits. Just to clarify, I marked up the close-up to show which circuits are which and what the outcome was.

To test it, I bypassed the chip and ran it straight into my computer via my laptop’s line-in. Here’s a recording of it:

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As a bonus, I will be posting a video of me winding the pick-up as soon as Vimeo figures out the deal with their upload. Stay tuned because I will update this post as soon as I’m able to do that.

Update: Here’s the video of the pick-up being wound.