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Watchdog timer WDT - prevent esp32 from stucking i have esp32 and using arduino ide (2 0 18 board version) im trying to add a code that prevent esp from blocking so if it stuck for some reasons to restart it i found following code but is not working #include "esp_task_wdt h" #include <WiFi h> #include <HTTPClient h> Define timeout in seconds (3minutes = 180seconds) #define WDT_TIMEOUT 180 void setup() { esp_task_wdt_init(WDT_TIMEOUT
Start a timer when button is pressed - Arduino Forum I am creating a timer for a race I have a photosensor that has a laser pointed to so when someone crosses the finish, it trips the sensor, and the system logs the racer's time I am using millis() to time the race, but I need the timer to start when I push the button I have tried using edge detection to start the timer, but the timer starts when the program starts, not when the program
Handling Timer Overflow Interrupts - Arduino Forum I'm having a hard time wrapping my head around what I'm trying to accomplish I'm using Timer1 in Input Capture Mode, to time an external event I clear the timer, set it up in Input Capture Mode, set the pre-scaler to ClkIO 1024, and enable Overflow interrupts, as the event I'm timing can take up to 10 seconds, which means the timer may overflow twice I maintain a software count, in a
Mega timers - Programming - Arduino Forum The PWM pins are shown but I can't find which timer controls which PWM output I need to change the PWM frequency of the PWMs I use if needed I need a PWM frequency of about 31kHz and need to setup the appropriate timer control register for that (I use 10 PWMs of the Mega and need to make sure the correct frequency gets to the correct PWM)
FspTimer: using AGT timer issues - UNO R4 Minima - Arduino Forum Servo test program servo_timer_config: type:1 Channel: 1 Raw Period: 960000 Note: servo_timer get_period_raw() returned a period of 960000 Which does not make sense, as I am pretty sure this is a 16 bit counter Wonder maybe it did not like to do a period that long So tried changing to 1500 Raw Period: 71999 Tried 750 -> 35999 Thoughts?
How to select a timer in ESP32 Arduino API 3. 0 Thanks to several real knowledgeable members I'm starting to understand the nuances of esp32 timers I still has a few question to resolve: In API version 2 0 you selected which 1 of the 4 timers you wanted in "timerBegin(timer#, pre-scaler,count_direction)" now there is only 1 parameter "Frequency" Where do I select the timer number? A second question is what are the allowable frequencies