ULN2003 Relay/Motor Driver IC

Specification:
Contains 7 high-voltage and high current Darlington pairs
Each pair is rated for 50V and 500mA
Input pins can be triggered by +5V
All seven Output pins can be connected to gather to drive loads up to (7×500mA) ~3.5A.
Can be directly controlled by logic devices like Digital Gates, Arduino, PIC etc
Available in 16-pin DIP, TSSOP, SOIC packages