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Security Keypad with memory and timestamp

we need to design an security keypad to acces the office with memory of the codes entered,timestamp, low consumtion, (should run on coinceil batteries minimum one week) software to download the data. It should be verry low profile, thikness no more than 3mm.

Features:

1- based on ATmega procesor low power consumption beetwen 1,7-3,6 qfn or udfn package

2- flash memory AT25CY 042-MHN-B or equivalent

3-Power supply coin cell batteries 3,6 V

4-Thickness of the key pad no more than 3mm

5- Flexible PCB

6 - Software to download the access codes and timestamp

more will be discused

Evner: Elektronik, PCB Layout, Elektrisk Ingeniørarbejde, Microcontroller, Kredsløbs Design

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Om arbejdsgiveren:
( 0 bedømmelser ) BUCHAREST, Romania

Projekt ID: #20931410

15 freelancere byder i gennemsnit $658 på dette job

mechatronicsengr

Hi, I hope you are doing well. I have worked on similar projects. I have understood your requirements and would like to discuss it further. Looking Forward, Khawaja

$700 USD in 7 dage
(66 bedømmelser)
6.6
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 p Flere

$800 USD in 20 dage
(37 bedømmelser)
6.5
xiaoguang2018

Hello. what the keypad has interface with? Also what is the method of using? Regards. ///////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// Flere

$500 USD in 7 dage
(32 bedømmelser)
5.4
ChewGekKhim

Dear, Client. I would like to say this is my fortune to show you my hardware skills. I can bring your idea to live and you can reach the goal absolutely with me. I have 10+ years experience in hardware design (schem Flere

$600 USD in 5 dage
(11 bedømmelser)
4.0
gaoshou007

Hello! I read your project carefully and confirmed it's a suitable one for me. I have been working as firmware and hardware designer for 6+ years. I know about embedded system very well and have wonderful experiences w Flere

$500 USD in 7 dage
(4 bedømmelser)
3.6
anatolyzimin

Hi, I have an experience with such keyboards already. Can help you with the task and provide c omplete solution with pcb files and software

$3000 USD in 25 dage
(13 bedømmelser)
5.7
SmithZhang

Hello I am senior microcontroller and Electrical Engineer. I have plenty of experience in firmware development. I have been a lot of Microcontroller developments. I can write the firmware based on PIC and ATMEGA. As I Flere

$500 USD in 15 dage
(2 bedømmelser)
3.3
smartman7102

Dear client, Nice to meet you. I have been working as a firmware and hardware designer for 6+ years. I had developed several similar projects using the various microcontrollers such as STM32F1/2/3/4/7xx, PIC16/18xx, Wi Flere

$250 USD in 5 dage
(2 bedømmelser)
2.8
JakobLang113

********************************EXPERIENCED EXPERT!********************************* Hello,my name is Jakob. I have read your job description carefully and am interested in your project. I am an experienced electronic Flere

$500 USD in 7 dage
(2 bedømmelser)
1.6
JiangZhengHe

Hello! To dear client Thanks for sharing your project. I am a firmware and PCB expert. I have wonderful 8+ years experiences in IoT projects using Arduino, ESP8266, BLE, NRF, BT, servo and very familiar with ARM, AVR, Flere

$250 USD in 3 dage
(1 bedømmelse)
1.0
JackKarl

I have just read your project and I felt happy to see it. I have experienced for +7 years in this field. Particularly, I have ever done the job like this as you want. I want to hear your advice and discuss in more deta Flere

$500 USD in 5 dage
(1 bedømmelse)
1.0
OlatWorld

I'm a professional Software Engineers and Electrical engineers. with over 10years experience in Universal Circuit, Simulator (QUCS),PCB Layout, Arduino and have been working on Industrial Automatics and Electronics. my Flere

$500 USD in 2 dage
(1 bedømmelse)
1.8
Muratzz

Hi, I have gone through your requirements and I can do this task. The skills and resources needed for this project are in my genes. I can assure you for a complete professional work in given time [login to view URL] share comp Flere

$500 USD in 5 dage
(1 bedømmelse)
0.4
$250 USD in 2 dage
(0 bedømmelser)
0.0
xentricsoft5

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned "I can do th Flere

$525 USD in 7 dage
(0 bedømmelser)
0.0