PIR Sensor ??

MDLefevere

Hi everyone,

I’ve recently started building a MagicMirror and so far i like it a lot.
Yesterday i ordered a HC-SR501 PIR Sensor and tried to install it.

This is were the problems started:

I’ve tried some modules but couldn’t get it to work.
I’ve connected my SR501 as followed:

PIN4 - 5V
PIN11 - Motion (GPIO17)
PIN6 - GRND

Is there a 2021 tutorial that can direct me in the right direction?.

Before anyone asks ;) . I’m trying for about 5 hours now and used the search box at the top :)

sdetweil

@mdlefevere does it work outside mm?

lots of internet articles with python code to read pir and say something

the modules generally run some python code under the covers

MDLefevere

@sdetweil

I’m not yet that good with Python, so some parts are a bit hard to understand.
I’ve seen a couple of modules/posts over here and gave them a shot.

One was working half. Screen turns of but no way to get it back on.
This was: MMM-Pir-Sensor

Just found a dutch how-to: here so i will give this a shot.

sdetweil

@mdlefevere said in PIR Sensor ??:

One was working half. Screen turns of but no way to get it back on.
This was: MMM-Pir-Sensor

off is easy, PIR doesn’t report , so nobody there, by default, so turn off…

make sure u have ssh enabled, so u can get in from your PC and turn display back on…

put the sensor is not reporting, or the module config isn’t looking at the right GPIO pin .

make it work outside MM… then it will be better

MDLefevere

@sdetweil

Alright i got i working with this guide.

The only thing i’m now facing is, and i can’t understand this, that i get the message “Cable not connected” on my display.

When i was using it in crontab with “vcgencmd display_power 0” (timebased) it put the monitor in sleep mode and the led’s of the monitor turned off.
Now when using it in a .sh command the monitor stays on with this message.

Do you have any idea?

sdetweil

@mdlefevere well, when u ran in cron, you ran as root

in your script do you do

sudo vcgencmd display_power 0

MDLefevere

@sdetweil said in PIR Sensor ??:

sudo vcgencmd display_power 0

No i don’t
But i tried it already and didn’t make a difference.

Also if i sudo su and then use vcgencmd display_power 0 it’s not sleeping.

sdetweil

@mdlefevere this is where I have trouble… all my displays behave as u describe…

turn off the hdml and then they holler about no input… , and 15 mins later power off (energy start complaince) …

MDLefevere

@sdetweil

Hmm alright.
So do you have a “workaround”?. How do you handle this?. I just want the screen to be not on all day long when i’m just home for a couple of hours

sdetweil

@mdlefevere I use module hiding. never turn the display ‘off’