Search found 2 matches

by dibalavs
Tue Feb 12, 2019 8:21 am
Forum: General Discussion
Topic: how to connect ADC voltage divider?
Replies: 0
Views: 2996

how to connect ADC voltage divider?

Hello, I am trying to connect voltage divider to ADC, The resulting circuit is similar to https://i.stack.imgur.com/pucoT.png But R1,R2 - 870Kom (I need low power consumption, because of battery powered device). C1 - 100nF. ( As in ESP recommendations) As a result, R2 + C1 gives RC oscillator, which...
by dibalavs
Thu Jan 17, 2019 7:21 am
Forum: Sample Code
Topic: Custom gpio interrupt handler during boot time. how?
Replies: 1
Views: 35779

Custom gpio interrupt handler during boot time. how?

Hi, I am trying to write pulse counter, which after some timeout (once per day) transmit collected data to the domoticz server. 1) I can count pulses during deep sleep by using custom wake stub from https://gist.github.com/igrr/54f7fbe0513ac14e1aea3fd7fbecfeab 2) I can count pulses after wake up dur...