Before we dive into the intricacies of how our Arduino Pomodoro Timer functions, let's take a quick look at the components you'll need: Ardui no Nano: The brain of our timer, handling the programming.

The TIMSK1 register iTimer/Counter 1 Interrupt Mask Register Bit 5 – ICIE1: Timer/Counter1, Input Capture Interrupt Enable When this bit is written to one, and the I-flag in the status register is set ...

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.

DAOKI Timer Delay Relay Module DC 6-30V Programmable Switch Control LED Display Micro USB Port Relay for Arduino with 24AWG Wire, Micro USB Cable ...

Droplet and StackAR, developed by MIT’s Media Lab, allow users to set timers or program an Arduino using light-based communication. By pressing the tool against a screen, flashes of light can ...