| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 89X51 | U | DIP40 | 1 |
| 2 | 12M | B2 | XTAL1 | 1 |
| 3 | 10K | R6 | AXIAL0.4 | 1 |
| 4 | 30P | C2,C3 | CAP3 | 2 |
| 5 | 22U | C4 | RB24 | 1 |
| 6 | 1K | R3,R2 | AXIAL0.4 | 2 |
| 7 | LED | D3,D1 | SIP2 | 2 |
| 8 | 470 | R7 | AXIAL0.4 | 1 |
| 9 | 7805 | U3 | TO-220S2 | 1 |
| 10 | BRIDGE1 | D2 | ZLQQY | 1 |
| 11 | 8550 | Q1 | TO-92C | 1 |
| 12 | BELL | U2 | BELL | 1 |
| 13 | LCD | LCD | LCD | 1 |
| 14 | 1000U | C5,C6 | RB510 | 2 |
| 15 | 104 | C7 | CAP3 | 1 |
| 16 | CON2 | J2 | SIP2 | 1 |
| 17 | 30 | R5 | AXIAL0.4 | 1 |
| 18 | 10K | R4 | VR6 | 1 |
| 19 | ! | S2 | QCAJ | 1 |
| 20 | SW-PB1 | S6,S10,S14,S1,S3,S7,S11,S15,S16,S12,S8,S4,S5,S9,S13,S17 | QCAJD | 16 |
| 21 | SW-PB1 | S18 | QCAJ | 1 |
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