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Re: Infrared Task

Posted: February 11th, 2019, 7:45 pm
by teamblueorange
What type of infrared beam would be best? This is my schools first year competing and we need some insight.

Re: Infrared Task

Posted: February 11th, 2019, 9:29 pm
by jinhusong
teamblueorange wrote:What type of infrared beam would be best? This is my schools first year competing and we need some insight.
Try raw IR diode. amazon: SUNKEE 10pcs 5mm 940nm LEDs infrared emitter and IR receiver diode 5pairs diodes.

Re: Infrared Task

Posted: February 17th, 2019, 4:35 pm
by bigboi312
jinhusong wrote:
teamblueorange wrote:What type of infrared beam would be best? This is my schools first year competing and we need some insight.
Try raw IR diode. amazon: SUNKEE 10pcs 5mm 940nm LEDs infrared emitter and IR receiver diode 5pairs diodes.
So I looked into this item and does it not need to be programmed with an Arduino? Every time I find something, I realize it is an extension to an Arduino kit. If not, how would I assemble this? Would it almost be like completing a circuit?

Re: Infrared Task

Posted: February 18th, 2019, 10:53 am
by teamblueorange
Are you allowed to use breadboards?

Re: Infrared Task

Posted: February 18th, 2019, 11:02 am
by C8H10N4O2!
teamblueorange wrote:Are you allowed to use breadboards?
Theres nothing directly against them in the rules, and I've seen some teams use them. Just make sure you are not using arduinos, or anything else that is against the rules and you should be fine.

Re: Infrared Task

Posted: February 18th, 2019, 11:04 am
by C8H10N4O2!
bigboi312 wrote:
jinhusong wrote:
teamblueorange wrote:What type of infrared beam would be best? This is my schools first year competing and we need some insight.
Try raw IR diode. amazon: SUNKEE 10pcs 5mm 940nm LEDs infrared emitter and IR receiver diode 5pairs diodes.
So I looked into this item and does it not need to be programmed with an Arduino? Every time I find something, I realize it is an extension to an Arduino kit. If not, how would I assemble this? Would it almost be like completing a circuit?
They something like this perhaps?
https://youtu.be/JdUn6NXw60o

Re: Infrared Task

Posted: February 18th, 2019, 1:38 pm
by jinhusong
Remember to add a resistor of ~200 ohm before connect the LED to 9v.

For receiver, google op amp comparator and relay. You probably need LM358, BC 548 and some variable resistor to setup a standard comparator circuit, which you can use again and again in other tasks.

Re: Infrared Task

Posted: February 18th, 2019, 9:40 pm
by jkuang
If I connected the receiver to a vacuum pump in the circuit for 4. b. i, would it be possible to use it without breaking 3. g.?

Re: Infrared Task

Posted: March 5th, 2019, 12:54 pm
by ComputerGeek586
Would anyone consider using a Lego Spybot for the IR part where the remote button will be pressed and the motor on the spybot will pull a string to lift the final action as a programmable component? I used it at the last invite and the supervisor said he didn't consider it programmable and didn't make me take it off. I just wanted to double check here before regionals.

Re: Infrared Task

Posted: March 5th, 2019, 1:47 pm
by knightmoves
ComputerGeek586 wrote:Would anyone consider using a Lego Spybot for the IR part where the remote button will be pressed and the motor on the spybot will pull a string to lift the final action as a programmable component? I used it at the last invite and the supervisor said he didn't consider it programmable and didn't make me take it off. I just wanted to double check here before regionals.
I thought the Lego Spybot was programmable - the motor block has a computer that you can program a bit like mindstorms, doesn't it? Perhaps you'll get lucky with the ES at state, but I think anyone who knew what Spybots were would rule it illegal.