6502 SBC Rev 2 — Breadboard to PCB
by Patrick
· Apr 15, 2026 · 22 views
· 2 followers
· Est. cost: $45-60 · Est. time: 2-3 weekends · License: MIT
6502
breadboard
homebrew
KiCad
retro
SBC
2 votes
Links
| Part Name | Qty | Description | Supplier | Unit Price | Subtotal |
|---|---|---|---|---|---|
| W65C02S 8MHz | 1 | Main CPU | Link | $7.95 | $7.95 |
| W65C22S VIA | 1 | Versatile Interface Adapter for GPIO + timers | Link | $7.95 | $7.95 |
| AS6C62256 32K SRAM | 1 | 32KB static RAM, 55ns | Link | $2.49 | $2.49 |
| AT28C256 EEPROM | 1 | 32KB EEPROM (using 16KB) | Link | $5.99 | $5.99 |
| 74HC00 Quad NAND | 1 | Address decoding | $0.49 | $0.49 | |
| 1MHz Crystal Oscillator | 1 | Full-can DIP-8 oscillator module | $1.25 | $1.25 | |
| MAX232 Level Shifter | 1 | RS-232 to TTL for serial | $1.99 | $1.99 | |
| DB-9 Female Connector | 1 | Serial port connector | $0.89 | $0.89 | |
| LM7805 5V Regulator | 1 | With heatsink | $0.75 | $0.75 | |
| 2.1mm Barrel Jack | 1 | 9V DC input | $0.50 | $0.50 | |
| Assorted Capacitors | 8 | 100nF decoupling + 10uF electrolytics | $0.10 | $0.80 | |
| 28-pin DIP Sockets | 3 | For CPU, VIA, EEPROM | $0.35 | $1.05 | |
| Total: | $32.10 | ||||