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BackSPST SMD PTS645 Series 6mm Tact Switch C&K Components, PTS 810 Series, Microminiature SMT Top Actuated, http://www.ckswitches.com/media/1476/pts810.pdf Light Touch Switch,https://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000CE20.pdf.
- 7.0x6.6x2.8mm, https://sunlordinc.com/Download.aspx?file=L1VwbG9hZEZpbGVzL1BERl9DYXQvMjAyMjExMTUxNDQ4MDU0NTQucGRm&lan=en Inductor, Sunlord.
- U3-3 = capacitor measurement roughly 15nF (has.