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In this lesson, we will add a 5-line tracking sensor to the framework built in Lesson 1. If you have not completed installation in Lesson 1, please review Lesson 1
The software in this lesson will read data from the tracking sensors and automatically guide the car to move along the black track line in the white ground.
|1||Tracking Sensor||1||Click here to buy|
|2||Hex Screwdriver||1||Click here to buy|
|3||7pin 25cm Female
to Female Cable
|1||Click here to buy|
Step 1: Start the installation from previous status of Lesson 1 . If you have installed Lesson 2, no need change anything, just keep the hardware wire connection as is.
Step 2: Install the 5-line tracking sensor module under the car chassis with 2pcs M3*10 hex screws, M3*30+6 copper pillars and M3 nuts as following:
Step 3: Connect GND-VCC pin of tracking sensor module to GND-5V of OSOYOO motor shield; connect IR1, IR2, IR3, IR4, IR5 pins to A0, A1, A2, A3, A4 with 7pin 25cm female to female cable as the following photo shows (Remember: DO NOT remove any existing wires installed in Lesson 1):
|Download IDE here:
|7 zip is a free zip
utility that un-zips zip files
|Download 7zip here for free
Step 1: Install latest IDE (If you have IDE version after 1.1.16, please skip this step). Download IDE from https://www.arduino.cc/en/software , then install the software.
Step 2: Download Lesson 3 sample code , unzip the download zip file lesson3.zip, you will see a folder called lesson3 .
Step 3: Connect UNO R3 board to PC with USB cable, Open IDE -> click file -> click Open -> choose code “lesson3.ino” in lesson3 folder, load the code into OSOYOO Basic Board for Arduino.
Notice: Shut off your battery or Unplug your power adapter when upload sketch code to OSOYOO Basic Board for Arduino.
Step 4: Choose corresponding board/port for your project,upload the sketch to the board.
Step 5: Adjust the sensitivity of tracking sensor modules. Turn on and hold the car and adjust the potentiometer on the tracking sensor with cross screwdriver until you get the best sensitivity status: the signal indicate LED light will turn off when sensor is above white ground, and the signal LED will turn on when the sensor is above black track
Prepare a black track (the width of the black track is more than 20mm and less than 30mm) in white ground. Please note, the bend angle of track can’t be larger than 90 degree. If the angle is too large, the car will move out of the track.
Turn on the car and put the middle of tracking sensor module facing over black track, and then the car will move along the black track.
DownLoad Url osoyoo.com