First post here
I want to make a people counter and a noise level detector.
I've seen lots of ready made plans and guides, so will be OK for that.
BUT... I need something that is Wifi enabled. So when x people pass, I can have an email sent. Or if the noise level reaches y decibels an email is sent.
(I also want battery monitoring - so if the battery reaches 30%, I can send an email.)
Can someone advise what I need?
I'm assuming I can use a Raspberry Pi Zero - that has Wifi?
Should I look for Arduino kits (for the above 2 projects) that use Rasperry Pi zero?
I'm looking to both build an all in one device or 2 separate devices - both need Wifi capability.
Thanks.
(Apologies if I posted in wrong category - assuming this category is OK to ask... I couldn't find other suitable one.)
Many ESP32 modules have WiFi built in. But get the people counter working to your satisfaction first, using any Arduino. It is a difficult problem and the sensors tend to be unreliable.
I've seen lots of ready made plans and guides, so will be OK for that.
It is wise to be skeptical of what you find on the web.
That one will be a lot harder than you think. We had a member that wanted to have a school canteen monitored for sound levels and a sign light up saying "Hush" when it exceeded a certain level. He had all the code working and just had to adjust the threshold value. After six months he reported back that it was not possible.
I think the problem was that the signal the microphone picked up was more dependant on the distance to the microphone rather than the actual level of noise.
Also I have never seen even a professional piece of equipment to count people successfully unless they were restricted by a turnstile.
You have chosen two difficult things to do.
