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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
FspTimer: using AGT timer issues - UNO R4 Minima - Arduino Forum 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? Are there known issues with FSP and AGT? Thanks Kurt 1 Like KurtE September 2
ESP8266 Interrupters timer - Programming - Arduino Forum Howdy all, I'm trying to understand how to use the interrupters on an ESP8266 I've written the following code to blink the built-in led on for 1s and then off for 10s The interrupter timer is set as a single shot so that I can enter the new time after it is called The timers however seem to be stuck in a 10s loop Any ideas of why this is happening Thanks in advance, Tuck bool led_state
Multiple R4 Timer Issue - UNO R4 Minima - Arduino Forum Hello, I used Phil Schatzmann's writeup to successfully get one timer working on the R4 I tried two timers with different rates but only the first timer runs The index from FspTimer::get_available_timer is different for each timer so it would not appear to be that I attached a test case By commenting out either beginTimer0 or beginTimer1 I can get a single frequency to work Thanks for any
ESP32 Timer-based interrupts not reloading properly Hi All, Using an ESP32-S3 FN8 on a custom PCB, I'm trying to use a timer-based interrupt to frequently adjust settings on an analog-out pin (i e , update both frequency of pwm and duration) for a piezo speaker Each time the timer alarm fires, the interrupt routine should adjust the pwm frequency and also re-arm the timer alarm for the new updated time period Here's the simplest version of
ISR (TIMER1_OVF_vect) only starts running after 3-4 seconds Hi all building a very simple timer that only shows seconds 0-59 and restarts at 0 I choose to use Timer 1 overflow for more precision Using delay () did not satisfy me The timing should startup immediately, but it doesn't At startup it displays 00, but it waits 3-4 seconds before proceeding Variables:
Configuring Timer1 Overflow Interrupts - Arduino Forum Is the value of the timer able to be read as well? So those are my questions In addition, I just don't really understand how these timer interrupts or this whole timer1 thing works Internet tutorials example code are a bit cryptic, as is the data sheet Any help, guideance, and or example code you guys could give me would be stupendous Thanks!
Using millis () for timing. A beginners guide - Arduino Forum If no input start timer, if input reset timer, after X time do this - Trouble Expected initializer before 'servo1' Arduino Code for Project Millis () not delaying State-machine and timing - Newbee, I would like to read your opinion Sliding game opener project ESP32 touch pin to control relay I want to run two for-loops at the same time
Programmable switch timer - General Guidance - Arduino Forum I have beginner skills on arduino, and I kind of jumped the gun into a project for school, to build a programmable switch timer, it has 4 buttons The switch is to be able to program on and off times of a bulb, it should be able to set 2 programs daily for each day of the week(i e i can manually program 2 on off times for each day Monday through sunday) This also implies that date, time are