Labels Milestones
BackC3 | 1 | TL074 | Quad operational amplifier, DIP-14 | | S3 | 1 | 1uF | Unpolarized capacitor | | | | Tayda | A-1157 or A-2425 | | | C10 | 1 | SW_DPDT_x2 | Switch, triple pole double throw, separate symbols | | | | | R24, R26, R28 | 3 | 10k | Resistor | | | | U2 | 1 | ICM7555xP | CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92"/>