Sometimes there is a need to switch on or off electrical appliances or gadgets after a predetermined time. The circuit presented here can switch on/off any electrical appliance (load) through a relay ...

Upon initial power on of the timer, a lower case 'm' will display in the left 2 digits of the display. At this point there are three valid inputs from the remote control (press '1', '2', or '3'), then ...

Unlock smarter workouts with a programmable fitness timer that guides your reps, rest periods, and routines with intuitive tones and an OLED interface. Built around a compact D1 mini Pro and fully ...

A tiny clock that integrates air quality monitoring, a timer, and an alarm sounds cool, right? Let's get into the article and know how it is built. It is a Cyber-style multifunction clock that can ...

This simple on/off timer can control any household electrical device that needs to be switched on or off after a specific duration. It employs inexpensive components wired in an analogue circuit, ...

Each state is represented by a led. Every time that the Pomodoro Timer backing to state 1, the piezo buzzer is activated for while. Initially, the Pomodoro Timer is set to state 1 and a press in the ...