Search found 4 matches

by cee-lizzle
Fri Feb 26, 2021 10:18 pm
Forum: General Discussion
Topic: Capacitive Moisture sensor DOIT ESP32 - Cant seem to work
Replies: 6
Views: 4477

Re: Capacitive Moisture sensor DOIT ESP32 - Cant seem to work

haha

Thanks so much for your reply, everything you've said has really helped. sorry it took a while to get back, stupid work got in the way


have a great weekend!
by cee-lizzle
Thu Feb 04, 2021 3:42 pm
Forum: General Discussion
Topic: Capacitive Moisture sensor DOIT ESP32 - Cant seem to work
Replies: 6
Views: 4477

Re: Capacitive Moisture sensor DOIT ESP32 - Cant seem to work

Hmm i thought it might have had something to do with being the only adc & arduino pin. anyway, one other thing id massivley appreciate you elaborating on... i understand the maths with the voltage divider but id love you to elaborate how you came to the capacitor value you did for cleaning any noise...
by cee-lizzle
Mon Feb 01, 2021 2:01 pm
Forum: General Discussion
Topic: Capacitive Moisture sensor DOIT ESP32 - Cant seem to work
Replies: 6
Views: 4477

Re: Capacitive Moisture sensor DOIT ESP32 - Cant seem to work

According to the reviews on that page, the issue is that those sensors only work with a 5V power supply. The issue there is that the output voltage in that case will also have a max of 5V, which is way above what the ESP32 can have on an input pin. You can use resistive divider to put it back into ...
by cee-lizzle
Sat Jan 30, 2021 8:52 pm
Forum: General Discussion
Topic: Capacitive Moisture sensor DOIT ESP32 - Cant seem to work
Replies: 6
Views: 4477

Capacitive Moisture sensor DOIT ESP32 - Cant seem to work

Hey everyone. I've been trying to get these moisture sensors to work for 4 hours but i just cant seem to! I've tried everything i can think of 3.3v, 5v, different sensors(but the same) differnet cables, different pins, pull up, pull down etc etc, ive tried attenuation but not much. it either starts ...