Timer relay module circuit

I'm using this timer module :

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But the product has problems and error, it can start without trigger, the decimal can jump unpredictable, etc.

So I decided to make my own timer relay module circuit.

It should have:

- Input Voltage DC 12V

- Use the same relay as the above product

- Memory Safe (the more the better)

- Time Delay Setting : 0 to 999.9 seconds

- Prefer 3 setting button. Start - Up - Down (other button configuration is ok too).

- 2 mode :

- Mode 1: Press Switch -> Relay ON (as set as the set value)

Note: Value that is safe is the time for the relay to be ON)

- Mode 2: Press Switch -> Relay ON - OFF - ON ~ repeat

Note: Three setting values: Relay ON time, Relay OFF time and how many times it should repeat.


- The circuit should be reliable, durable and heavy-duty use.

- Use only easy to find parts.

- The price of the above module is just $2 - $3. So, the circuit should be economical (doesn't meant that it should be $2-3 too). A little more expensive is ok, but not too much.

Квалификация: Электроника, Микроконтроллер, Программирование на С, Разводка печатной платы, Схемотехника

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О работодателе:
( 4 отзыв(-а, -ов) ) siantar, Indonesia

ID проекта: #24587758

23 фрилансеров(-а) в среднем готовы выполнить эту работу за $200


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$140 USD за 7 дней(-я)
(244 отзывов(-а))

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$150 USD за 10 дней(-я)
(48 отзывов(-а))

Greeting There , I could absolutely help you with your Timer relay module circuit PCB/PCBA project i am Auto-desk ACI certified on Eagle CAD , i am sure that i the PERFECT contractor for your project . below sample o Больше

$210 USD за 7 дней(-я)
(56 отзывов(-а))

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$140 USD за 7 дней(-я)
(56 отзывов(-а))

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PCB design for your timer - $30 /2-3 days Prototype assembly - $70 /14 days Software programming and testing - $60 All the source files and manufacturing exports and firmware will be provided

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