A button connected to the Arduino allows manual toggling of the relay state (ON/OFF). The button uses an internal pull-up resistor for stable input and includes a debounce mechanism to prevent false ...

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 ...

Arduino enthusiasts and makers looking for a project to keep them busy over the next couple of weekends might be interested in this Arduino flying start lap timer, which has been featured over on the ...