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BackFour pins D Push button switch with two LEDs K switch SPST right angle, https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3f.pdf tactile switch SPST angled PTS645VL83-2 LFS tactile switch http://www.ckswitches.com/media/1479/kmr2.pdf CK components KMR2 tactile switch SPST right angle, http://spec_sheets.e-switch.com/specs/P040170.pdf Switch, single pole double throw, separate symbols Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8