Part     Value            Device           Package          Library      Digikey / Mouser Order #

B1       9VOLTBATHOLDER   9VOLTBATHOLDER   9VBATTHOLDER     440          36-1291-79-ND Digikey
C1       47uF             47UFTANTCAP      TANTCAP47        440          80-T491D476M010 Mouser
C2       .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C3       47uF             47UFTANTCAP      TANTCAP47        440          80-T491D476M010 Mouser
C4       .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C5       .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C6       .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C7       47uF             47UFTANTCAP      TANTCAP47        440          80-T491D476M010 Mouser
C8       .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C9       .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C10      .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C11      .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C12      .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C13      .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C14      .2               C-USC0805        C0805            rcl          1292-0805B204K500CTTR-ND Digikey
C15      .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C16      .2               C-USC0805        C0805            rcl          1292-0805B204K500CTTR-ND Digikey
C17      .1               C-USC0805        C0805            rcl          399-C0805C104K5RACTUCT-ND Digikey
C18      0.5uF            C-USC0805        C0805            rcl          399-C0603C564K8PACTUCT-ND Digikey
C19      1                C-USC0805        C0805            rcl          587-1438-1-ND Digikey
C20      1                C-USC0805        C0805            rcl          587-1438-1-ND Digikey
IC1      74LS90           74LS90D          SO14             74xx-us      296-SN74LS90DRCT-ND Digikey
IC2      74LS90           74LS90D          SO14             74xx-us      296-SN74LS90DRCT-ND Digikey
IC3      74LS90           74LS90D          SO14             74xx-us      296-SN74LS90DRCT-ND Digikey
IC4      74LS90           74LS90D          SO14             74xx-us      296-SN74LS90DRCT-ND Digikey
IC5      74LS90           74LS90D          SO14             74xx-us      296-SN74LS90DRCT-ND Digikey
IC6      LMV358IDR        LM358D           SO08             linear       296-9571-1-ND Digikey
LED1     LED              LED              LED              OPTO         751-1132-ND Digikey
R1       2.5K             R-US_R0805       R0805            rcl          738-RNCF0805DTE2K50CT-ND Digikey
R2       2.5K             R-US_R0805       R0805            rcl          738-RNCF0805DTE2K50CT-ND Digikey
R3       2.5K             R-US_R0805       R0805            rcl          738-RNCF0805DTE2K50CT-ND Digikey
R4       2.5K             R-US_R0805       R0805            rcl          738-RNCF0805DTE2K50CT-ND Digikey
R5       2.5K             R-US_R0805       R0805            rcl          738-RNCF0805DTE2K50CT-ND Digikey
R6       20K              R-US_R0805       R0805            rcl          738-RNCF0805DTE20K0CT-ND Digikey
R7       20K              R-US_R0805       R0805            rcl          738-RNCF0805DTE20K0CT-ND Digikey
S1       ROCKERSWITCHTYCO ROCKERSWITCHTYCO ROCKERSWITCHTYCO DirectDrive  CKN2013-ND Digikey
S2       MINI_SPEAKER     MINI_SPEAKER     MINISPEAKER_440  440          668-1234-ND Digikey
U$8      LM4871MX         LM4871MXM08A-M   M08A-M           440          LM4871MX/NOPBCT-ND Digikey
VOLUME   10K              POT_TRIM_VERT_6  POT_TRIM_VERT    BrakeChopper 987-1793-5-ND Digikey
  Note: Instead of a 10k pot, you can use a fixed 8.4k ohm resistor and 1.5k ohm resistor on the ground side.
                                            2019-RK73H2ATTD8451FCT-ND   2019-RK73H2ATTD1541FCT-ND Digikey
        This gives a reasonable volume level without a lot of distortion.
VR1      7805             L78M05ABDT-TR    DPAK_STM         440          497-1201-1-ND Digikey
VR2      MIC5219-3.3YM5   MIC5219XX        SOT23-5          v-reg-micrel 576-1281-1-ND Digikey
X1       11MHz            XTAL_11MHZ       VIKS_XTAL11MHZ   440          MQF574T33-11.000-1.0/-40+85-ND Digikey

M2 x 20mm Pan Screws Stainless Steel B0CMCT5MRY - quantity 8 (Amazon)
M2 x 6mm Pan Screws Nylon - quantity 4 (Amazon)
M2 15mm female stand offs C3471138 - quantity 4 (Amazon)
Filament for 3D printing box and back