2016年4月16日 · Here is an example that does not use delay() You will have to rethink a few things in your sketch. //Blink without Delay skeleton //4 examples demonstrated //LED wiring …

2018年6月13日 · Now would like to make a 10 second timer on each Led so when in ON state they will switch OFF after 10 second. I tried with millis but do not know the procedure . The …

2021年4月19日 · I am using Ultrasonic sensor, LED, and buzzer in my circuit. However, I need the LED to stay on for like 10 seconds or more. Here is my code const int trigPin = 9; const int …

2022年9月5日 · Hi everybody, I have a timer that controls lights, there is an on time and an off time, currently this is hard coded as the on/off times have never needed to be changed, now I …

2019年8月8日 · When you apply power to the relay module via Vcc and Ground, a timer starts. As soon as the timer expires (after 1 to 10 seconds depending on the setting of the potentiometer) …

2018年7月10日 · Hi, Im building a 5 minute countdown timer for starting sailing races. I have been able to get the timer working perfectly however i would like to have a warning buzzer buzz …

2016年6月30日 · Best is to have a lastTime value, compare to current time and if more than 10 second do the LCD display and record lastTime to be current time zhomeslice June 30, 2016, …

2022年7月26日 · Im trying to make a countdown timer using a module with 4 7 seg displays. I have it counting down in seconds now I want to populate the other 3 digits with incrementally …

2021年4月28日 · Hi, I am trying to make a timer based on a 2-digit 7-segment display. When a signal is sent from a reed or hall switch, I want the timer to start counting up from 00 in one …

2019年2月25日 · Hi all I have the question is something is possible and if answer is YES ... how can I get it 1. Power on leds 2. Listen for a button 3. On button press do 'random_led_blink' for …