Labels Milestones
BackGeneric, symbol, four pins D Push button switch, generic, two pins | | J9 | 1 | Conn_01x10 | Pin socket, 2.54 mm, 1x2 (see [build notes](build.md)) | | S2 | 1 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | R21, R22, R23 | 3 | 22k | Resistor | | R31 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TO-99-8"/>
- Normal -0.0426235 0.554793 0.830896.
- Normal -0.828689 -0.016946 0.559453.
- 6.91261 facet normal -0.552322 0.106057 -0.826857 vertex.