Search found 2 matches

by stefbryssinckx
Mon Aug 28, 2023 1:08 pm
Forum: ESP32 Arduino
Topic: DNS lookup failed after multiple succesful mqtt messages
Replies: 0
Views: 1336

DNS lookup failed after multiple succesful mqtt messages

Hi everyone, I'm developing an IoT device that publishes mqtt messages every once in a while. I'm currently testing this by sending the messages to test.mosquitto.org. This works, but 10-50 hours after startup the messages no longer reach the broker and the esp32 outputs the following errors every t...
by stefbryssinckx
Thu Mar 18, 2021 4:36 pm
Forum: ESP32 Arduino
Topic: timing deep sleep with external interrupt
Replies: 0
Views: 1461

timing deep sleep with external interrupt

Hi everyone, I'm writing code for a battery powered device that measures how long an RTC GPIO is being held high. Because it's battery powered, I want it to be in deep sleep as much as possible. I made a working code using the timer wake up: esp_sleep_enable_timer_wakeup(time_in_us) The esp32 goes i...