| Comment | Description | Designator | DISTRIBUTOR | DISTRIBUTOR PART# | Footprint | LibRef | Manufacturer | MANUFACTURER PART# | Prototype Price | Quantity | Volume Price |
| PAM8302M | Class D Mono Amplifier 2.5 W max | AMP1 | PAM8302M | PAM8302M | 1 | ||||||
| 100nF | CAPACITOR | C1, C2, C4, C16, C17, C18, C19, C20, C21 | RADCAP-0.2 | C-EUC0805 | 9 | ||||||
| 33pF | CAPACITOR | C3, C8, C11, C13, C14, C15 | Jameco | 1947010, | RADCAP-0.2 | C-EUC0805 | Jameco Valuepro | DC33TR, | 6 | ||
| 1uf | CAPACITOR | C5 | RADCAP-0.2 | C-EUC0805 | 1 | ||||||
| 10nF | CAPACITOR | C6 | RADCAP-0.2 | C-EUC0805 | 1 | ||||||
| 100pF | CAPACITOR | C7, C10 | RADCAP-0.2 | C-EUC0805 | TDK | FA24NP02W101JNU06 | 2 | ||||
| 330pF | CAPACITOR | C9 | RADCAP-0.2 | C-EUC0805 | TDK | FA24NP02W331JNU06 | 0.4275 | 1 | 0.2974 | ||
| 220pF | CAPACITOR | C12 | Arrow | RADCAP-0.2 | C-EUC0805 | TDK | FA24NP02W221JNU06 | 1 | |||
| 6.5-30pF | Trimm capacitor | CT1, CT2 | CAP Trimmer | C-TRIMMTZBX4 | 2 | ||||||
| LED | LED, | D1, D2 | DIGIKEY | LED_3MM_TH | LED | 2 | |||||
| 4060D | 14-stage binary/ripple COUNTER | IC1, IC2 | Jameco | 13151, | DIP16 | 4060D | CD4060, | 0.49, | 2 | 0.39, | |
| 4069D | Hex INVERTER | IC3 | DIP14 | 4069D | 1 | ||||||
| LM358D | OP AMP | IC4 | DIP8 | LM358D | 1 | ||||||
| 74HC74 | Dual D type positive edge triggered FLIP FLOP, preset and clear | IC5 | Jameco | 46130 | DIP14 | 74*74D | Fairchild | 74HC74 | 0.45 | 1 | 0.35 |
| MCP4921SO8 | IC6 | ARROW | DIP8 | MCP4921SO8 | Microchip | MCP4921-E/P | 1.96 | 1 | 1.93 | ||
| CON2 | 2 PIN CONNECTOR | J1, J2, J3, J6, J8, J9 | DIGIKEY | SIP-2 | CON2 | 6 | |||||
| PWR_2.1MM | Small Wall Power THRU | J4 | POWER_BARREL_RAPC722X | PWR_2.1MM | 1 | ||||||
| CON3 | 3 PIN CONNECTOR | J5, J7, J10, J11 | DIGIKEY | SIP-3 | CON3 | 4 | |||||
| 1000uH | INDUCTOR SMD inductor | L1, L2 | Arrow, | AXIAL-0.4 | MS42 | Fastron, | HBCC-102J-02, | 0.44, | 2 | .38, | |
| Arduino NANO | ATMEGA328 Module | M1 | ARDUINO_NANO | ARDUINO_NANO | 1 | ||||||
| 2PIN-POW | P1, P2, P3 | OSTTC02 | 2PIN-POW | 3 | |||||||
| 8PIN-SIL | 8 Pin Single In line .1 Inch centers | P4 | SIP-8 | 8PIN-SIL | 1 | ||||||
| 4PIN-SIL | 4 Pin Single In line .1 Inch centers | P5 | SIP-4 | 4PIN-SIL | 1 | ||||||
| 7.3728MHz | 7.3728MHz Crystal HU49S | Q1 | XTAL-HC49US | CSM-7X-DU | 1 | ||||||
| 8MHz | SMD CRYSTAL Source: www.ecsxtal.com .. Crystal 3.6864MHz CSM_7X_DU.PDF | Q2 | ARROW | XTAL-HC49US | CSM-7X-DU | FOX | FC4STCBAF8.0-BAG200 | 1 | |||
| 100k | RESISTOR | R1 | AXIAL-0.4 | RES | 1 | ||||||
| 2.2k | RESISTOR | R2, R8, R10, R11, R12 | AXIAL-0.4 | RES | 5 | ||||||
| 4.7M | RESISTOR | R3, R4, R7, R9 | AXIAL-0.4 | RES | 4 | ||||||
| 10k | RESISTOR | R5, R6 | AXIAL-0.4 | RES | 2 | ||||||
| 390R | RESISTOR | R13, R14 | AXIAL-0.4 | RES | 2 |