Labels Milestones
BackQuad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | | Screws and spacers (see [build notes](build.md)) | | | R5, R29 | 3 | 100R | Resistor | | | | | | | S3 | 1 | SW_3PDT_x3 | 3PDT miniature toggle switch | | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8"/>