| BASIC Stamp Carrier Board Comparison Chart | BSCB-1 | BSCB-2 | 
|---|---|---|
| Support for BS2, BS2e, BS2sx, BS2p, BS2pe | * | * | 
| RS232 Serial Port | * | * | 
| Single-row (14-pin) LCD connector | * | * | 
| Dual-row (14-pin) LCD connector | * | * | 
| Expansion connector | * | * | 
| On-board Regulator | * | * | 
| Prototyping Area | * | |
| Serial EEPROM | * | |
| Keypad connector | * | |
| Secondary Microcontroller | * | |
| Analog Inputs | * | |
| Precision Voltage Reference | * |