The ULN2003 is a 7-channel Darlington transistor array that lets your Arduino switch higher-current loads — relays, small motors, 28BYJ-48 steppers and more — straight from its logic pins.
Key Features
- 7 Darlington driver channels
- Switch relays, motors, steppers
- Built-in flyback diodes
- Standard 16-pin DIP
- Handles up to 500 mA/ch
Specifications
| Channels | 7 |
| Package | DIP-16 |
| Current | 500 mA/ch |
Popular Project Ideas
- Drive a 28BYJ-48 stepper
- Switch multiple relays
- LED / lamp driving
- Interface logic to loads
In stock at Arduino Corner, Rawalpindi with quick delivery to Islamabad and all over Pakistan. Best prices for students, robotics clubs and FYP teams — pay by cash on delivery or online.




