A simple rotary encoder for all your projects.
It's like a potentiometer, but without end. It sends pulse to your microcontroller to let you know in which direction it turned. This version also has a button.
In the pursuit for small form factor, flexibility and functionality comes Seeeduino Mega – derived from Arduino Mega it harnesses the power of ATmega1280 to spice up your project building experience.
ATmega 1280 @ 16MHz
Selectable 5V/3.3V operation
70 Digital IO
16 Analog inputs
14 PWM outputs
4 Hardware serial ports
Compatible with most Arduino Shields...
This is a splittable 40 pin male-female jumper wire, it is super flexible, can be transformed from 1-40 pin jumper wire. With some of these, you will no need to worry about the jumper wires you got before do not fit your project, just split it and go.