Designing and manufacturing a special vibrator

Awarded

Dear Ahmed,

This is [url removed, login to view] Atef from Egypt. I have a project that i will need your help with. The project simply is making a special vibrating device that is worn by the patients and used in dental field. The device is composed of :

1- A vibrating motor (with a frequency of 25-40HZ) (6V): i have a source for that already and no worries about it

2- A Lithium Ion battery which is rechargeable using USB cord (I have a source for the battery management chip and it supports USB charging)

3- A power on and off smart switch (i need a button that has 2 jobs the first on is to switch on and off by pressing it for long time and the other job is to pause the vibration and resume on simple pressing) (Don't have a source for that )

4- a small RAM that has a small and simple job which is tracking patient usage (meaning that when the device is connected to a PC using USB port a software displays how many times it has been used over tha past week and for how long each time) (PLEASE note that the device is supposed to be used 20 minutes only each day and no more) so i need also a timer to switch off the device automatically after 20minutes of switching it on

5- I prefer also to have a small display screen that has a count down from 20 minutes after its is switched on

.. If you need any more info please do not hesitate to contact me and if you would like you can send me your mobile phone number and i can call you to explain more

Skills: Cryptography, Digital Design, Electronics, Engineering, Microcontroller

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Project ID: #4736766

1 freelancer is bidding on average $35 for this job

ahmedmohamed85

Hired by the Employer

$35 USD / hour
(15 Reviews)
5.2