Which inexpensive kit would you be most interested in if it was featured on this blog? (poll 5874549)

Which inexpensive kit would you be most interested in if it was featured on this blog?

Light controlled synthesizer playable with hand shadows - with saw-tooth oscillator and resonant filter

Arduino based analog "bassline synthesizer" and sequencer - with saw-tooth oscillator and resonant filter

Just a resonant filter that I could easily hook up to my own projects

Just a saw-tooth oscillator that I could easily hook up to my own projects

Other:

Select up to 2 answers.

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See this poll on: https://poll.fm/5874549/embed