UPDATE: Replaced my PIR-Sensor with a Doppler Microwave Sensor.

sdetweil

@Fozi nice update… very clear and helpful

cowboysdude

Once again excellent work! I love the trimmer it’s a great idea for those with limited space!
For some strange reason I have left a gap at the top of my mirror that fits what I build perfectly!
I wanted a bigger mirror so I bought the glass oversized and centered the monitor in it :)

This, accidently, left me enough room to fit this in perfectly!

So what I did was design a “T” with a whole in it to mount the sensor and install it inside the box.
I am a contractor so having aluminum tape was not a hard thing for me to come up with.

Thank you @Fozi for this entire project! Allows me to get rid of the ugly PIR sensor outside the mirror and place a sensor behind the scenes but works as intended.

So for me option 1 works great! This won’t work for everyone but in my case perfect!
[Have NOT installed it in the mirror yet but will today]

Here’s the pictures.

Box

3d PLA Printed ‘T’

Fits inside of box

Picture of sensor on ‘T’

Once again, Thank you @Fozi !!!

Mykle1

@Fozi said in UPDATE: Replaced my PIR-Sensor with a Doppler Microwave Sensor.:

sooner than expected I modified the sensor with a trimmer resistor.
For that I also updated my initial post and enhanced the tutorial, where now both options are described.

Dude, (can I call you dude?) although I don’t use a sensor (I have a cam on my first mirror w/Pi) I appreciate what you’ve done here. I’ll say it again (in different words), I think this is the death knell of the PIR sensor. So, thanks. :thumbsup:

Peace!

Fozi

@cowboysdude I‘m totally happy that I cold help and to receive so positive feedback! I love it when a plan works!😁 Thanks!
This T-shaped holder, is it 3D-printed or an off-the-shelf available part? It‘s totally cool!

Fozi

@Mykle1 said

Dude, (can I call you dude?) although I don’t use a sensor (I have a cam on my first mirror w/Pi) I appreciate what you’ve done here. I’ll say it again (in different words), I think this is the death knell of the PIR sensor. So, thanks. :thumbsup:

Sure, call me Dude, if you like😁

Let‘s get the warts outta here!🤣 and thanks for the overwhelming feedback!

cowboysdude

Ok so here’s my final and it’s working perfectly! I tried it in various spots.

Thanks to @Fozi again…now there’s a very complete forum topic that anyone can follow!!

I added 2 additional layers of aluminum tape… there are no untaped spaces on the box anywhere… then moved it to the back of the cabinet and now you have to walk up to it to make it come on… PERFECT!! :)

I tried behind the glass… too sensitive
I tried taped to the back of the monitor … too sensitive.
Moved to the back of the cabinet which makes it about 4" away from the glass… BINGO!!

[PS… don’t mind my ugly wiring LOL]

Fozi

@cowboysdude Great News, excellent!👍🏻

lavolp3

@cowboysdude
am I seeing it right that also the side of the case looking at you is aluminium taped?
So the whole case is taped in your case?

lavolp3

@cowboysdude @Fozi Guys, which module are you using for the recognition?
I can’t get neither MMM-PIR-Sensor nor MMM-PIR to work currently. Both have the same problem with epoll which is installed via the node module “onoff”, if I see correctly.
What are you using?
THe mirror won’t load with any of the modules activated giving the error

 The module '/home/pi/MagicMirror/modules/MMM-PIR/node_modules/onoff/node_modules/epoll/build/Release/epoll.node'
was compiled against a different Node.js version using
NODE_MODULE_VERSION 67. This version of Node.js requires
NODE_MODULE_VERSION 64. Please try re-compiling or re-installing
the module (for instance, using `npm rebuild` or `npm install`).

@cowboysdude I remember you’re using your own script?
@Fozi you?

node v 11.4.0
npm v 6.13.0

cowboysdude

@lavolp3 I use my own for that… it’s not a module but it’s right here.

https://github.com/cowboysdude/Pir-Sensor

Easy to follow :)

The box is just a cardboard box taped with alum duct tape. I am however waiting for my trimmer resister so I can tune it down and take it out of the box. I only want the mirror to come on when someone walks up to it…say like 2 ft. away… so it doesn’t come on when I walk by the bathroom doorway… looks more like a pro thing :)