Programming timer interruption - Arduino Forum
Feb 4, 2025 · I'm posting here a simple project to create an interrupt timer on an ESP32 board for version 3.1.1 by Esspressif Systems. I had difficulties to find updated information to make this code, I …
Questions about FspTimer.h - UNO R4 Minima - Arduino Forum
Apr 8, 2025 · Hi all , after spending every spare moment over the last few weeks reading the forum and googling , I keep going around in circles getting no where. So I have joined the forum in the hope that …
[Solved] Timer.h - Programming - Arduino Forum
Mar 31, 2018 · As you understand I need a hardware timer (counting clock ticks). Millis () makes demanding to ckeck if "old value" is smaller than millis () value (normal run from start until rollover) or …
Start a timer when button is pressed - Arduino Forum
May 2, 2021 · 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 …
7 Segment Count Down Timer Project - Arduino Forum
Jul 1, 2024 · The timer would stop when the stop button is pressed and after the time is stopped, pressing the reset button would reset the time to 02:00 mins to wait for the start button to be pressed …
1mS Timer - Programming - Arduino Forum
Mar 17, 2016 · I changed the code to set the timer in CTC Mode, but still get 1004uS every once in a while Every once in a while, your timer will expire while the AVR is off in un-interruptable code …
Help me please generating 2 square waves by Timer1 at Arduino Uno
Oct 10, 2024 · Hi there, I want to generate two square waves with an Arduino Uno using Timer 1 at a frequency of 200 kHz. Both waves should have a duty cycle of 40%. The first wave should go high at …
Is it possible to obtain TTL (5V) output using a (NE)555 timer?
Dec 13, 2022 · I have a few NE555 timer chips and I want to generate a 5V-0V clock signal using external RC frequency control. I was referring to the datasheet found here which stated that the …
Simple Timer 5 min, 10 min. and 15 minute. New to Coding
Jun 6, 2016 · Hello i need help for this project to become possible. I want to build a timer/ multiple timer for 5 mins,10 mins and 15 minute. case 1: if button1 = HIGH; runTimer 5 // Run timer for 5 minute …
Any timer interrupt examples for Mega2560? - Arduino Forum
Jul 11, 2019 · Hi I am looking for a code example using timer interrupts with the ATMega2560, but haven't found any. Does anyone know of any? When reading up on interrupts, I have noticed it says …