ATmega32u4 4WD Mobile Robot Kit

Specification

Pinout

Function about every component：

• Infrared transmitter：transmit the infrared signal, the signal can be used for detecting obstacles
• Infrared receiver：receive infrared signal, the signal can be used for obstacle avoidance
• Photosensitive diode：sensitive with the light, so it can help you get some information about the light
• Button：can be programmed for your idea
• RGB LED：you can change its color use your code, it can show as an alarm and other things you want
• USB port：download your code and let your robot talk to your computer
• Buzzer（passive）：be an alarm bell or sing a simple song
• Controller：runs your code
• Motor：can be controlled to run forward or backward, so that the car can turn left or right freely
• Reset button；Reset the robot, the program in the robot will runs again from its initiation
• Power switch：power switch of the robot
• Power port：power provided from this port
• Charge port: if your batteries can be charged， you can charge them from this port thus they can be hold in the car

Pin Mapping

• Follow light: A5

• Motors

• D5-- PWM control from left motor, D12--EN1 direction control from left motor
  D6-- PWM control from right motor, D7--EN2 direction control from right motor

• RGB LED : D10

• Infrared obstacle avoidance：

• Transmitter：D13—IRL left transmitter sensor, D8—IRR right transmitter sensor
  Receiver: D17—IRS receiver sensor

• Button：D4

• Encoder：

• D0--INT2 Right Motor
  D1--INT3 Left Motor

• Buzzer

• D16(MOSI)— Buzzer