Arduino timer tutorial In the Arduino work the tone() function uses Timer2. I am wondering about the timers on the Arduino uno. The Arduino millis() is a timer-based function that returns to you the time elapsed (in milliseconds) since the Arduino board was powered up. Other boards may have the same or different number of timers, which you can find from the datasheet of that board/ microcontroller. What are timers? Timers are essentially counters. How does the ESP32 timer work? The timer uses a counter which counts at a certain speed depending upon the clock frequency and the prescaler value. enjoy Watchdog20110611. Both Timer0 and Timer2 are 8-bit timers (can count from 0 to 255) while Timer1 is a 16-bit timer (0 to 65535). This tutorial will give you more in-depth information about Arduino Timer interrupts and how to set up timer interrupts for periodic events. La Plataforma de Desarrollo Arduino fue desarrollada originalmente en 2005 como un dispositivo programable fácil de usar para proyectos de diseño de arte. dxtxhawnqcodgcdjzweinasmaqduaowpxmogcgcdzctnwtjddgbmaqpxsafxrlkevskjtr