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Line following, Driving around free with obstacle avoidance
Using a

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This is a first attempt at building a robot. For now it is able to follow a line, and to drive around free with obstacle avoidance. In the near future I will … Read more

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New line sensor

By jip
2008-03-30 10:27

I had some problems with the 36 KHz detector when trying to read it from the picaxe, so I have switched to using 4 infrared photodiodes in a feedback setup with two LM358 dual opamp packages as shown in the following image (for one photodiode only):

This gives an analog reading and I will use this for linear interpolation between the sensors to determine where the line is relative to the robot center.

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Robot Shout Box

fritsl: I have zero Techie myself. But I have you guys to ask :)

voodoobot: the techy side helps when bulding a bot...but I like bing in between both.

Raeven: Why do so many people w tant to be techys and not artys if you really want to be the best robot builder you;ll be a mix of the 2

BaseOverApex: 7 questions. One point each if you're a scientist. It's easy enough to get more than 7.

CaptainTuna: i think we should open a topic in the off-topic section for this nice and fun game :)

robo88: how did you get more than 7 ?

BaseOverApex: Who else scored more than 7 on Fritsey's quiz?

BaseOverApex: I did. Until today, I had no interest whatsoever in guitar simulations.

CaptainTuna: but i still need to find a proper temporary switch (for hitting/fretting notes). And btw, try frets on fire, it's really fun! :)

CaptainTuna: actually i nvere made one, will make it as soon as i go to italy! :) but i already have studied the electronic part of it

BaseOverApex: OKay, if I'm not back for a while, you'll know why....

BaseOverApex: Anyone ever tried to resize and NTFS partition on a live PC running XP?

fritsl: Tuna; You have a blog - show us that spade!

fritsl: That's all we will hear from Nicola the next 3 weeks :D

Nicola: OMG my RD01 just arrived!!! :)

Content in “line following”

Rebel, first attempt at building a robot.

New line sensor

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