Labels Milestones
Back(http://www.qingpu-electronics.com/en/products/WQP-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm stereo headphones jack. Headphones jack plug stereo 3.5mm PJ311 Headphones with microphone connector, 3.5mm, 4 pins module CMS SOT223 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm.
- HLE-121-02-xxx-DV-LC, 21 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf.
- 4.5mm soldermask opening (Level B.
- Switches along the LEDs //outline of whole PCB.