| Ref Qty Description Type Package Manufacturer Mfg Part # | |
| U3 1 Single Op Amp LM321 (TI, SOT-23) SMD SOT-23 Texas Instruments LM321MFX/NOPB | |
| U2 1 Small, Low Power, 3-Axis 3g Accelerometer SMD 16-Lead LFCSP_LQ Analog Devices ADXL335BCPZ | |
| D3 1 LED GREEN CLEAR 0603 SMD SMD 0603 (1608 metric), polarized Lite-On Inc. LTST-C191KGKT | |
| D4 1 LED RED CLEAR 0603 SMD SMD 0603 (1608 metric), polarized Lite-On Inc. LTST-C191KRKT | |
| C1 C2 2 Capacitor (0.1uF) SMD 0805 (2012 metric) Samsung Electro-Mechanics America, Inc. CL21F104ZBCNNNC | |
| R7,R5 2 Resistor (100) 100 Ohm SMD 0603 (1608 metric) Yageo RC0603FR-07100RL | |
| R4, R6 2 Resistor (3300) 3.3k SMD 0603 (1608 metric) Yageo RC0603JR-073K3L | |
| R3 1 Resistor (510000) 510k SMD 0603 (1608 metric) Yageo RC0603FR-07510KL | |
| R2,R1 2 Resistor (330R) 330 Ohm SMD 0603 (1608 metric) Yageo RC0603JR-07330RL | |
| D1, D2 2 Photodiode Thru-hole 2-DIP (5.4mm), polarized Vishay / OSRAM (either) BPW34 | |
| J1 1 Audio jack 3.5 mm, TRRS 4 conductors Thru-hole Audio connector, non standard CUI Inc. SJ-43514 | |
| HEADERS4U1 2 Female headers 2.54mm, 14 pins Thru-hole Generic Generic | |
| P1 1 Male straight headers 2.54mm, 6 pins Thru-hole Generic Generic |