Search found 4 matches

by rockyrobin
Sun May 16, 2021 11:41 am
Forum: ESP32 boards
Topic: Pin.PULL_HOLD with ESP32 DevKit DOIT problem - Does it work with deepsleep and Pin.OUT?
Replies: 1
Views: 427

Re: Pin.PULL_HOLD with ESP32 DevKit DOIT problem - Does it work with deepsleep and Pin.OUT?

Just been reading the technical docs and I think it says the pin hold feature only 'remembers' the state before, during and after deepsleep.
The actual state itself cannot be maintained during deepsleep.
Looks like i'm out of luck then!
by rockyrobin
Sun May 16, 2021 8:55 am
Forum: Drivers for External Components
Topic: PMS5003 air quality sensor library
Replies: 33
Views: 11146

Re: PMS5003 air quality sensor library

(UPDATE) - Changed to pin 23 as previous pin I discovered is input only!
by rockyrobin
Sun May 16, 2021 8:54 am
Forum: ESP32 boards
Topic: Pin.PULL_HOLD with ESP32 DevKit DOIT problem - Does it work with deepsleep and Pin.OUT?
Replies: 1
Views: 427

Pin.PULL_HOLD with ESP32 DevKit DOIT problem - Does it work with deepsleep and Pin.OUT?

I've been trying to get my ESP32 DevKit DOIT to go to deepsleep and maintain 0v on a pin. I can cycle between 3.3v and 0v, but as soon as I try to PULL.HOLD the pin before sleep, followed by deepsleep the pin then goes to 2.5v and stays at that voltage until the board wakes up and then cycles the pi...
by rockyrobin
Fri May 14, 2021 2:30 pm
Forum: Drivers for External Components
Topic: PMS5003 air quality sensor library
Replies: 33
Views: 11146

Re: PMS5003 air quality sensor library

Thank you to everyone posting in this thread. It has been very helpful. I am having a problem with this sensor putting it to sleep using the SET pin to turn the sensor off. Has anyone managed to get this to work with an ESP32 Devkit DOIT? I have been using the following code but cannot get the senso...