Add a $5 LM386 module between the analog output and a 3.5mm jack.
If you want complete control (Road 3), you cannot use a donor's servo chip. You must program an Arduino or STM32. cd player diy
2. Method A: The Computer Drive Conversion (Budget-Friendly) Add a $5 LM386 module between the analog output and a 3
| Category | Component | Specification | Estimated Cost | | :--- | :--- | :--- | :--- | | | CD Transport | Sony KSM-213 (or equivalent) | $15 - $25 | | Electronics | Servo Board | Generic CD Servo with Remote | $15 - $20 | | Audio | DAC Module | PCM5102 or ES9023 | $10 - $15 | | Power | Toroidal Transformer | 15V-0V-15V Dual Secondary | $20 - $30 | | Power | Regulators | LM7805, LM317, LT1086 | $5 | | Enclosure | Chassis | Aluminum or Steel (DIY or Pre-fab) | $30 - $50 | | Misc | Capacitors, Wires | Various (WIMA, Nichicon recommended) | $20 | | Total | | | ~$115 - $165 | Wires | Various (WIMA
Many old CD‑ROM drives (e.g., LG, Toshiba) have an (4‑pin: L, R, GND, GND). You can: