Extra lecture (in preparation of the Lithuanian meeting

tutor: Alessandro Memo

1. Lesson 5: Sensors (2): ultrasonic, infrared and gyro
• Ultrasonic sensor, technology, range, experimental evaluation, sensor's mode
• example 25: run against a wall until, and discussion of the suggested code
• example 26: run away from a wall (5 min)
• discussion of the proposed possible solution
• example 27: soft approach to a wall (15 min)
• example 28: hand controlled robot
• comment of the proposed possible solution
• Challenge: arounf the tower 2, modify the robot structure
• comment of the obtained results and problems, and discussion of the proposed possible solution
• Infrared sensor, technology, comparing to the ultrasonic sensor
• ir proximity mode, accuracy, reading method
• ir seeker mode, polar coordinators
• Challenge: radar emulation (30 min), introduction of images on the PC screen
• comment of the obtained results, and discussion of the proposed possible solution
• ir remote control mode
• Challenge: R/C robot (15 min)
• comment of the obtained results, and discussion of the proposed possible solution
• Challenge: mixed maze (25 min)
• comment of the obtained results, and discussion of the proposed possible solution
• Gyro sensor, precautions, the reset action
• gyro angle mode, how to reads, test program
• Challenge: around the tower 3 (20 min)
• comment of the obtained results, and discussion of the proposed possible solution
• example 36: go straight with gyro, and discussion of the proposed solution
• Challenge: maze solving (40 min)
• comment of the obtained results, and discussion of the proposed possible solution

Lecture 4

date: 18 February 2016 tutor: Alessandro Memo

1. Lesson 4: Sensors (1): touch & color
• 3-levels Line follower
• comment of the proposed solution, the difficulties to adjust the parameters
• 3-levels Line follower, another solution introducing a soft/sharp control
• comment of the proposed solution, a smoother movement
• the proportional approach to the line follower, more the error stronger the correction
• example 16 (v2): test of this method, and comment of the obtained results
• PID: Proportional, Integrative Derivative approach
• example 16 (v3): PID line follower
• challenge: follow a curved line in the faster way(20 min)
• comment on the previous challenge
• challenge: sequential movements(10 min)
• comment on the previous challenge and discussion of a possible solution
• color sensor in ambient mode, simple examples
• example 18: flash controlled robot (10 min)
• color sensor in color recognition mode
• example 19: color identification, presentation of a possible solution and introduction to the array initialization
• challenge: slalom (30 min)
• comment of the results obtained in the previous challenge
• challenge: around the tower (30 min)
• comment of the results obtained in the previous challenge and discussion on the proposed solution
• short hits on the RGB mode of the color sensor
• challenge: color components (10 min)
• comment of the results obtained in the previous challenge and discussion on the proposed solution
• challenge: garbage cleaner (30 min)
• comment of the results obtained in the previous challenge and discussion on the proposed solution
• challenge: object recognition (30 min)
• only proposed
• challenge: rescue mission (40 min)
• comment of the results obtained in the previous challenge

Comments:Good partecipation and interest, expecially for the students directly involved in the incoming meeting.

Lecture 3

date: 4 February 2016 tutor: Alessandro Memo

1. Lesson 3: Motors
• previously on motors
2. Lesson 4: Sensors (1): touch & color
• Sensor methods, generalised approach, raw and percentage readings, operational modes
• Touch sensor
• Robot assembly to use the touch sensor to detect an obstacle
• example: four walls (30 mins)
• comment of a proposed solution of the previous example 13, the init section, variable initialization section, main section
• Color sensor, operational modes, technology, LEDs, RGB.
• Color sensor: reflected mode, different colored surfaces,
• 2-levels Line follower, the threshold value
• file management on PC and on brick, CSV file, example of subroutine, differences between function and subroutine, comment of the example 14, introduction of the flow-chart rappresentation
• hints on 3-levels Line follower

Comments:Some students do very quickly the submitted examples and challenges. Time schedule respected.