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Countdown with 2 displays and some

It's a "simple" project but with some challenges and functions.

The only thing that is needed is the programming, so no hardware!

The hardware is as following:

- Arduino Nano 3 board

- 2/4 buttons

- 1 input signal

- 2 relay boards

- 2 displays TM1637

Option: LED-strip WS8212/WS2812

The following functions are needed:

As the title describes its a time countdown on 2 displays (same time on both displays) with 2 options of time by a press of 1 or 2 buttons : 2.40 minutes (160 seconds) and 3 minutes (180 seconds). The displays are showing ”02:40” or “03:00” before start.

When the “start” button is pressed or via the input signal, the countdown is started.

When the count down is at 10 seconds left, 1 relay is pulsing every second until the countdown is reached and when 0 the relay is on until the same input is triggered or the “stop” button is pressed. The other relay is triggered af 5 seconds after the countdown reached 0 seconds if the input of “stop” button is not pressed. After one of those is triggered the countdown is re-set to the set time (180 or 210 seconds).

The following needs to be adjustable:

- Both the start times (180/210 seconds)

- The relay pulse start time (at how many seconds the relay starts to pulse)

- The amount of pulses per second for the relay

- When the second relay is trigged (after how many seconds the relay is on when the countdown is 0)

Option:

When starting up the Arduino the amount of LED is counted , so the length doesn’t matter when the countdown is active or defined in the config. When powering up the LED strip has a starting color.

Every time a second is passed “X” amount of LED is switched to the second color and when the last 10 seconds the LED strip needs to flash until the counter is 0. And after the “stop” button is pressed or the input is trigged the led is set to the starting color.

The following needs to by set in the config:

- Starting color

- Second color

- The amount of seconds that the strip flashes until 0

And the wiring diagram.

Habilidades: Arduino, Microcontrolador, Eletrônica, Design de Circuito

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Acerca do Empregador:
( 0 comentários ) The Hague, Netherlands

ID do Projeto: #30088306

20 freelancers estão ofertando em média €184 nesse trabalho

avigupta0061

Best Circuit Design Expert at your doorstep! Dear Client, We can provide a time countdown on 2 displays (same time on both displays) with 2 options of time by a press of 1 or 2 buttons as per your requirements. We c Mais

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amelectronics

Hello sir, I have experience in designing electronics circuits and can develop hardware compatible smartphone and PC based apps. I also have done a lot of IoT projects and can transform your idea into a fully working Mais

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umg536

Hi there, I'm bidding on your project "Countdown with 2 displays and some" Being a professional electrical engineer, I can do this project for you. please leave a message on my chat so we can discuss the budget and de Mais

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macroenergy

Thanks for Freelancer which gives chance to meet you. I hope you are good. I have read your description carefully and understand everything. I have 8 year experience on Arduino and know all principles. I'm mixed of sc Mais

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HarimohanG

Dear Client, I will deliver time countdown on 2 displays adapter in a quality and timely manner. I have read and understood your requirements and could do it for you in the least time and utmost superior quality. I ha Mais

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doggar302

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soltracker

An easytask tpo be accomplished, Its me Imad, have done 200+ projects regarding arduino, thanx for posting the job........................

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etalhak

Hello, I am an electronics and telecommunication engineer and I am quite experienced with hardware and embedded systems' design. I have designed many PCBs and I am experienced with EMI as well. I have checed your requi Mais

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DamianLP

Hello, I am a Telecommunications and Electronics Engineer with deep knowledge in systems with microcontrollers and Arduino. I can make your system using an interactive simulation software called Proteus (from Labcenter Mais

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bogdanikos

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Alif2710

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EnergianEng

Hi...! We are an electrical engineering company, we have lots of experience in the design of electrical power, control, and digital electronics systems. We can most certainly participate in this project! Among the del Mais

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Netramvisiontech

Hello, when viewing your job details, it’s really jumped out at me. As you have mentioned some of the parameters need to be configured i.e. both start time and others, so are they configured as run time configurable? Mais

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Jansanth

A very basic project which only requires higher c++ programming algorithm. Can be done in 3 days.

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Juank095

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R3Acosta

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etiennepr

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shahidkhan8447

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