// Callback timer_cb_t oneSecondTimer(void* data) { Serial.println("Fired!"); } Timer timer(1000, false, oneSecondTimer); void setup() { Serial.begin(115200); // Slow ...

The Smart Timer Relay Controller is an Arduino-based project designed to automate the control of an LED (or other electronic devices) based on specific hours of the day. By utilizing a Real-Time Clock ...

When notes stuck to the water heater failed [Ryan] decided to whip up “the world’s most expensive 240V relay” using a servo, a real time clock and of course an Arduino. All in an attempt to save a ...

The most popular RTC for the Arduino is the DS1307. However, it does have some drawbacks, the most notable of which is that its operating voltage is 5v, which means it cannot be used with 3.3v ...

Teyleten Robot DS3231SN DS3231 Real Time Clock Module RTC Clock AT24C32 Without Battery for Arduino Raspberry(5PCS) HiLetgo 5pcs DS3231 High Precision RTC Real Time Clock Module 5V for Arduino ...

You have a timer and clock in just about every single device out there these days, but if you want to build you own, Instructables user GeraldF6 shows you how to do so with a Arduino. The project here ...

Runner and Arduino enthusiast Nikodem Bartnik has created a DIY 100m sprint timer which is placed at the finish line and signals the start of timing via an audible bleep from its integrated speaker.

This project is also available at Max Imagination’s Workshop. Welcome, fellow makers! Today, we're diving into the world of productivity and time management with a hands-on project – the Arduino ...