| U1,U5-U7 | 74LS157 | Quad 2 to 1 line Multiplexer |
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| U2 | 74LS173 | 4-bit D-type Register, 3 state out |
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| U3,U8 | 74LS04 | Hex Inverter |
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| U4 | 74LS00 | quad 2-input NAND gate |
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| U9,U10 | 74F189SC | |
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| U11 | 74LS245 | Octal BUS Transceivers, 3-State outputs |
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| C1,C2 | .01µF | Unpolarized capacitor |
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| C3-C9,C11-C14 | .1µF | Polarized capacitor |
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| C10 | .01pf | Unpolarized capacitor |
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| D1-D10 | LED | Light emitting diode |
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| R1,R2 | R | Resistor |
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| R3 | 1k | Resistor |
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| R4-R11 | 220 | Resistor |
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| SW1 | SW_SPDT | Switch, single pole double throw |
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| SW2 | SW_DIP_x04 | 4x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
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| SW3 | SW_DIP_x08 | 8x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
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| SW4 | SW_Push | Push button switch, generic, two pins |
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