Need to pause in the middle of a line follow line


#1

Hi

I need to run a line following program , so it wollows a line and arond the middle of the line the mBot have to pause for 10 sec, and then move on.
How do i solve this issue

Thomas


#2

Hi Thomas,

what do you mean with “In the middle of the line”? Maybe, the line is 50 cm long and 10 cm thick. Is 25 or 5 the value, where the mbot should stop? And what, if the line is something like a circle? Please show a picture of the line.

phg1


#3

Mbot have to follow this line, and stop for 10 seconds, bus stop :slight_smile: and then continue to the end of the line.


#4

Hello Thomas,

You need some kind of trigger that signals the mBot to stop. Unfortunately, I have no good idea for the mBot 1. You could trie to make a gap with some lines and count them. Maybe difficult to set the right speed.

With the new mBot 2, you could use the Quad RGB sensor to detect a different colour in the line.

grafik

Greetings

phg


#5

Hi ThomasN,

For mBot1 to perform a shutdown, a trigger must be determined for a sensor to catch it. There is Ultrasonic, Line Follower or a duration of time. Once the condition is met, it will be possible to take a break.

Example:

  • Is it a white line ???
  • Is it a white line, followed by a black and then another white ???

Warning: The mBot1 doesn’t have a lot of sensors so what you are looking to do is not that easy.


#6

Hmm ,
Would it be possible to hold Down a key to make it pause, and continue when you release it.
So you run a program on the Mbit, and at same time control it from keyboard on laptop.


#7

Hi Thomas N,

If you want to intervene and not for the robot to stop by itself, it is quite easy with the remote control.

Possibility

  • The remote control (Easy)
  • 2.4G Wireless Serial (Easy)
  • Doogle Bluetooth from Makeblock (Easy)
  • Bluetooth 4.0 standard (Difficult)

Qule is your choice ???