Multiplexing 4-Digit 7-Segment Display Easy change between Common Cathode or Common Anode Displays Stores values into the EEPROM max. countdown time 99:59 [min:sec] ...

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.

This Arduino-based Pomodoro timer project also uses this 25-minute cycle. ... At 32 degrees Celsius (89.6 degrees Fahrenheit), the motor speed is raised to the maximum setting.

[ZHut] managed to bring these two worlds together by presenting how to make an Arduino blink an LED in conjunction with a 555 timer. We know, we know. It is hard to decide how to comment about this.

In the Arduino board, digital outputs from D2 to D8 are used to drive segments (a to g), and digital outputs D9 to D12 are used for the digits (D0-D3) of the 4×7 LED display. Note that here the ...

Arduino-compatible code (door_ajar.ino) is used for this project. The code displays the countdown timer and initiates an alarm after a set time of about 60 seconds. Here, DigitalTube library created ...

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.