Simple LFO

Maker	David Haillant
Type	Triangle and square LFO
Mounting	Through-hole
Width	4 HP
License	Proprietary (GPL-3.0 covers the firmware, no hardware licence)
Difficulty	🧊 Low-count through-hole

Stable TL074 triangle and square oscillator with an amplitude pot and a bicolour LED. It also runs up into audio range if you want it as a drone source. There is an interactive BOM on the project page alongside the PDF.

Documentation

• Assembly instructions
• Bill of materials (BOM)

Links

• Maker page
• Buy: Tindie

More from David Haillant

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This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

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