| Component | Attributes | Description |
|---|---|---|
| Fairchild Semiconductor MMBT3904 | NPN General Purpose Amplifier | |
| Fairchild 2N3904BU | NPN General Purpose Amplifier | |
| Atmel ATtiny85/V SOIC | ATtiny85/V | |
| Atmel ATmega8 | ATmega8 | |
| Atmel ATTINY13-20PU | ATtiny13 20 MHz | |
| Atmel ATtiny2313A | ATtiny2313A | |
| Fairchild Semiconductor 2N3904 | NPN General Purpose Amplifier | |
| NXP Semiconductors 74HC595 | 74HC595 | |
| JCST MMBT3904 | NPN General Purpose Amplifier | |
| BI Technologies P160KN2-0EC15B1MEG | Potentiometer, rotary, 1M ohm | |
| Atmel ATtiny2313A | ATtiny2313A | |
| Fairchild 2N3904BU | 2N3904BU NPN General Purpose Amplifier | |
| Microchip PIC16F84A | PIC16F84A | |
| National Semiconductor LM386 | Low Voltage Audio Power Amplifier LM386 | |
| Bourns 3310C-001-104L | 100K Linear 1 Turn Potentiometer | |
| ON Semiconductor P2N2222AG | P2N2222AG NPN Amplifier Transistor | |
| Fairchild Semiconductor LM324N | Operational Amplifier (Op-Amp) IC | |
| Atmel ATtiny85/V | ATtiny85/V | |
| Atmel ATTINY13-20PU | ATtiny13 20 MHz | |
| Texas Instruments INA217 | INA217 - Low Noise, Low Distortion Instrumentation Amplifier (DIP-8) |