timers - Button for Delay Select - Arduino Stack Exchange
Feb 14, 2019 · With S2 The LED on D11 will flash ON for 30 seconds then turn off for 4 hours. After the 4 hours, the LED On D11 will flash ON again for 30 s then turn off for 4 hours again and again as an …
Put ATmega328 in very deep sleep and listen to serial?
Jul 5, 2015 · The device stays awake for 30 seconds after the last message is received in case of new messages. If a new message is receive the 30 second timer is reset. The PC interface software …
How do I count time in seconds? - Arduino Stack Exchange
Feb 21, 2016 · Arduino measures time in millis () and delay () and in milliseconds, so to convert counts of time in seconds to milliseconds would be 1000x.
I need two (25 and 30 kHz) pwm output on a nano
Sep 3, 2024 · Timer 1 is used to generate the second PWM signal (10kHz) on Pin 9. The prescaler for both timers is set to 8 (CS21 and CS11), but the frequency is determined by the values you set for …
Arduino Nano timer drifting - Arduino Stack Exchange
Jan 9, 2025 · Bro can u add some line to my orignal code to add delay of 15 second after every 12 hour in this way clock wil delay time 30 second in 24 hours – jagpal singh Jan 9 at 9:44 When i use 995 its …
How can I control blinking of LED while in timer function?
Dec 22, 2020 · When I am in the 30-second standby function, I want to turn the LED on and off at 5-second intervals. How can I do what I want using the read_counter() function?
Arduino Nano R4 interrupts - Arduino Stack Exchange
Sep 27, 2025 · The Arduino Nano R4 uses the Renesas RA4M1 chip. It runs fast and supports precise hardware timers. You can trigger the ADC using these timers. Your goal is to sample every 30 …
How to efficiently code a long duration timer - Arduino Stack Exchange
May 1, 2022 · How to efficiently code a long duration timer Ask Question Asked 3 years, 8 months ago Modified 3 years, 7 months ago
How do I run a loop for a specific amount of time? - arduino uno
Here is an example that will run for 5 minutes. Note that the loop will begin executing anytime before the time limit is up, including 1 msec before; it can't cut-off something happening at the 5-minute mark, …
How to make 1 second delay more accurate? - Arduino Stack Exchange
Jul 18, 2018 · That way the one second interval will stay in sync with the time, even when there is a big delay now and then in the sketch. You will not get more accuracy by using a internal timer.