LM741 General Op – Amp IC (DIP,through-hole)
The LM741 series are general purpose operational amplifiers which feature improved performance over industry standards like the LM709.
JoyStick Breakout Module
Lots of robot projects need joysticks. This module provides an affordable solution to that. Simply connect to two analog inputs, the robot is at your commands with X,Y control. It also has a switch that is connected to a digital pin. This joystick module can be easily connect to Arduino by normal IO Expansion Shield with supplied cables.