ESP8266 Community Forum

- Mon Apr 13, 2015 6:57 pm #14413

ADC uses 14 bits. The maximum sampling frequency 45..50us (20..22kHz).

Hi Victor. How do you know the ADC uses 14bits? I don't understand the manipulations on the ADC... Can you explain a little? Thanks!

- Wed May 06, 2015 10:49 am #16710 What is the limiting factor to sample at 10khz? Ideally I would like to be able to sample at 40khz in order to detect frequencies up to 20khz. I'm assuming the original 10khz sampling is with running at 80Mhz?

- Mon May 11, 2015 10:55 am #17166 This is what Esprissif said on twitter when I asked them about sample rate:

John Lee ‏@EspressifSystem May 8
@CptanPanic HW is fast, but software needs processing time. probably 200 Hz is OK.

- Sun Sep 27, 2015 3:28 pm #30002 For the esp-03 is the TOUT just not broken out? I'd have to access it by directly soldering onto the IC?