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Switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8 | | Tayda | A-1624 or A-2969 | | | Tayda | A-1624 or A-2969 | | R30 | 1 Hardware/PCB/precadsr/sym-lib-table | 3 | A1M | Potentiometer | | | | | C2 | 1 | TL074 | Quad operational amplifier, DIP-14"/> Operational amplifier, DIP-8 100V 0.15A standard switching diode, DO-35 | | R24, R26, R28 | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | 1 | AudioJack2_SwitchT | Audio Jack, 2 Poles (Mono / TS) 100V 0.15A standard switching diode, DO-35 | | | | Tayda | A-553 | | | J3, J4, J5 | 3 | 22k | Resistor | | | | R30 | 1 Hardware/lib/aoKicad | 1 Consider replacing transistor through-holes with sockets or with a 7-segment display with LED backlight 160x104 RS-232 I2C or SPI 3 Line 12 character wide alpha numeric LCD LCD-graphical display with LED backlight 160x104 RS-232 I2C or SPI LCD.

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