Labels Milestones
Back- LFO. Photos Build notes.
- Https://dammedia.osram.info/media/resource/hires/osram-dam-5824137/SFH%204257_EN.pdf LED PLCC-2 SMD package, http://www.infineon.com/cms/en/product/packages/PG-TO252/PG-TO252-5-11.
- ($5!) optocoupler, otherwise basic.