Labels Milestones
BackR1, R2, R23, R24 | 4 | 100k | Resistor | | C9 | 5 | 100nF | Ceramic capacitor | | R1, R2 | 2 | 47k | Resistor | | | S2 | 1 | TL074 | Quad operational amplifier, DIP-14"/>
R1, R2, R23, R24 | 4 | 100k | Resistor | | C9 | 5 | 100nF | Ceramic capacitor | | R1, R2 | 2 | 47k | Resistor | | | S2 | 1 | TL074 | Quad operational amplifier, DIP-14"/>