[Lab] PIR, IRF540, PN2222, LED Strip, Arduino

[Darcy Whyte]

Not sure who's coming to the hack613 meetup tomorrow but I wouldn't be
surprised if someone could help. I might be able to...

It's not clear what you want though. You mean making the circuit on a
breadboard?



--
Darcy Whyte

Art+ inventorArtist.com <http://inventorartist.com/> | Makerspace
hack613.com | Aviation rubber-power.com
Contact: *darcy at inventorArtist.com* <darcy at inventorArtist.com> |
613-563-3634 by appointment (no text)


On Sat, Mar 17, 2018 at 3:10 PM, Bruce Harding <bsharding at rogers.com> wrote:

> Hello,
>
> I'm trying to get the pinning right for a project where a PIR triggers a
> LED strip to turn on.  I'm having real trouble getting the pinning on the
> breadboard right. If someone is willing to take a look at it I'd be
> grateful. Beer or coffee on me.
>
> I'm using:
>
> 12v 3A power supply
> PIR
> IRF540 Mosfet
> PN2222 Transistor
> 1m Warm/White LED Strip
> Arduino Uno
>
>
> Code:
>
> //constants
> const int ledPin = 5;
> const int sensorPin = 4;
> const long stayOnPeriod = 900;   // length of time to stay on (in
> milliseconds)
>
> //variables
> unsigned long turnOffTime = millis();  //Start with the led turned off
>
> void setup() {
>   pinMode(ledPin, OUTPUT);
>   pinMode(sensorPin, INPUT);
> }
>
> void loop() {
>   // check if the sensor is detecting then increase the time to stay on.
>   if (digitalRead(sensorPin) == HIGH)
>   {
>     turnOffTime = millis() + stayOnPeriod;
>   }
>
>   if (turnOffTime > millis())
>   {
>     digitalWrite(ledPin, HIGH);
>   }
>   else
>   {
>     digitalWrite(ledPin, LOW);
>   }
> }
>
>
> --
> ====
> bruce
> faintfuzzies.ca
>
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