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Timer with relay and Arduino – Open Electronics


By on August 6, 2022

On this undertaking we are going to see easy methods to construct a programmable countdown timer within the vary of 1s – 9999s which can be utilized in home or industrial functions in addition to by inexperienced persons to learn to assemble an digital module and cargo a program.

Throughout the chosen time interval, the system can energy a load by way of a relay on the board. For repeated timings it’s attainable to memorize the period of the timing, the tip of the time interval is signaled acoustically with a “beep” and optically by turning off the LOAD POWER LED.

The wiring diagram relies on the Arduino Nano microcontroller which reveals data on an LED show (such because the one based mostly on the TM1637 chip, used on this case, or the TM1650).

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About Bianchi Gabriele



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