Licenced under the SIL Open Font License, so feel free to use it for whatever you want! (Though it would be nice to let me know if you do ^^)
Download Pulsewidth 1.0.0
Download Pulsewidth Dot 1.0.0
Note: The glyph "(" (left bracket) can be used as an "l" (lowercase L) that has an ascender with a height of 3 units, rather than two. The two glyphs have very similar metrics.