Solution for control refrigerators

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Bids
10
Avg Bid (USD)
$608
Project Budget (USD)
$250 - $750

Project Description:
I need full Solution for control refrigerators Divided to these main parts:
1- Controller part:
a. Will be in High Temperature about 50 – 90 Degree
b. Have to control 4 coolers fans 25 A 12V or 25A 24V
c. Another 5 fans for refrigerator.
d. 2 Compressors
e. 4 Temperatures sensor
f. 4 Purser sensor to diced which fans on which is of
2- Display Part:
a. User part
i. Set on the work temperatures
ii. Show the errors
iii. Shows temperatures
b. Administration part
i. Put on the settings of controller side
ii. Put on the settings of printer
iii. Put on the settings of GPS
iv. Put on the settings of Display
v. Save temperatures
3- Printing Part:
Printing temperatures for an interval which can be setup on display part
4- GSM GPS Model:
a. Send a web request by parameters which is configured
I need full solution it can be android 28$ PC. Or PIC controller or Atmel I don’t care
I already have this solution from different companies
1- Controller part 29$
2- Display Part:80$
3- Printing Part: 20$
4- GSM GPS Model:90$
But I want it to be My brand and like lego So can Sold only controller with display printer with temperatures and so on display with temperatures and so on.
Payment will be on 3 part
First will be only when a prototype is ready and I have it and working for 100%.
The second payment will be after bugs solved of 2 weeks testing
The third will be after will be after bugs solved of 1 month testing

Skills required:
Electrical Engineering, Electronics, Microcontroller, PCB Layout
About the employer:
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