| Component | Description | Package | Vendor | Additional Info | |
 | ATMega88PA | MICROPROCESSOR, 8K PROG. MEM, 1K RAM | TQFP-32 | DIGIKEY ATMEGA88-20AU-ND | PINOUT, DATASHEET, INSTRUCTION SET |
 | A3967 | ALLEGRO STEP MOTOR DRIVER, 750mA/PHASE, 8uSTEPS | SOIC-24 | DIGIKEY 620-1140-1-ND | PINOUT, DATASHEET |
 | SN75176 | DIFFERENTIAL BUS TRANCEIVER | SOIC-8 | DIGIKEY 296-6857-5-ND | PINOUT, DATASHEET, FAILSAFE BIASING |
 | LM2940 | VOLTAGE REGULATOR, 5V 1A LDO | SOT-223 | DIGIKEY LM2940IMP-5.0CT-ND | PINOUT, DATASHEET |
