| Designator | Distributor | Dist. Part # | Description |
| C1 | DigiKey | 399-3027-1-ND | CAP .10UF 10V CERAMIC X5R 0402 |
| C2 | DigiKey | 399-3027-1-ND | CAP .10UF 10V CERAMIC X5R 0402 |
| Q1 | Mouser | 512-MMBT3904 | SOT-23 SOT-23 NPN GEN PUR |
| Q2 | Mouser | 512-MMBT3904 | SOT-23 SOT-23 NPN GEN PUR |
| R1 | DigiKey | P10KJCT-ND | RES 10K OHM 1/16W 5% 0402 SMD |
| R2 | DigiKey | P180JCT-ND | RES 180 OHM 1/16W 5% 0402 SMD |
| R3 | DigiKey | P1.0KJCT-ND | RES 1.0K OHM 1/16W 5% 0402 SMD |
| R4 | DigiKey | P1.0KJCT-ND | RES 1.0K OHM 1/16W 5% 0402 SMD |
| R5 | DigiKey | P10KJCT-ND | RES 10K OHM 1/16W 5% 0402 SMD |
| U1 | DigiKey | 425-1096-5-ND | PHOTOINTERRUPTER REFLEC 6.5MM PC |
| U2 | DigiKey | 425-1096-5-ND | PHOTOINTERRUPTER REFLEC 6.5MM PC |
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