Labels Milestones
BackDescription="CMOS General Purpose Timer, 555 compatible, PDIP-8 | | Tayda | A-3545, A-3489, or A-3499\*\*\* | | | | | | Tayda | A-553 | | Tayda | A-1531 or A-557 | | C4, C5 | 3 | A1M | Potentiometer | | Tayda | A-2939 | | | | | | | Q1, Q2, Q3, Q4, Q5 R1, R2, R23, R24 R3, R21, R27, R28 | 3 | 2_pin_Molex_connector | 2 | 47k | Resistor | | | | | | | U3 | 1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14 Low-Power, Dual Operational Amplifiers, DIP-14/SOIC-14"/>