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New electronic MDB hardware to be build for vending machines using RPi

I have old cigarette vending machines that still uses the RS232 protocol. Now these boards is old. Its unstable, and will not support new systems like Nayax.

How these old vending machines currently work.

1. Stackerless Note reader

2. Only gives R1, in change(very frustrating)

3. Old arcade type coin mech.

4. Cant use MDB note readers or coin mechs.

5. Cant use Nayax.

6. Max price of only R99,00

How I want the new RPi MDB board to be like.

1. It must use RPi with a MDB hat.

2. It must have a sensor on the bottom chute where the product comes out that will acknoledge that a packet of cigarettes was actually dispensed.

3. It must be able to use a Coin mech like the Jofemar J2000

4. On the board it must have 4 menus that you can enter using a mode button.

4.1 It must show total sales when pressed once.(hold in mode button to clear)

4.2 Total vends since the start made of the new board(unclearable)

4.3 Total sales since the start made of the new board (uncrearable)

4.4 Total change vended (hold in mode button to clear)

5. It must be able to use a MDB coinmech, MDB note reader, and MDB Nayax.

6. It needs to use a Powertip PC-1602-H screen for display.

7. I need to be able to set prices up to R999.

8. I should be able to connect to 50 lunar vending motors.

8.1 Every lunar vend motor has a micro switch, and there must be no sale allowed when switch is not triggered by a pack of cigarettes. (customer cant pay for a product that doesnt vend)

9. The main RPi Board must connect to 50 push buttons. Button 1 for lunar motor one)(no shared buttons)

I want the Rpi with the MDB hat to be the main board. Then a seperate board where all the motors and buttons plugs in. 1 button for each lunar motor.

After I bought the RPI- with the MDB hat, I want to person helping me to teach me how to duplicate this process so I can build hardware for all the machines I have. Helping me install the software that was created onto the Rpi

Thank You

Evner: Arduino, C programmering, Elektronik, Microcontroller, PCB Layout

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Om arbejdsgiveren:
( 0 bedømmelser ) 1240, South Africa

Projekt ID: #18972258

7 freelancere byder i gennemsnit $1312 på dette job

sagradoamicus

Hi I am experienced electronics engineer with more than 8 years of experience. I have completed more than 256 projects here. Please get in touch to discuss more in detail Regards

$1000 USD in 15 dage
(235 bedømmelser)
7.9
Euroaccount

Hello, I am an electronic product designer with 12 years of experience in circuit design, PCB layout and enclosure design. I have read project description carefully and checked all the attached files. I have been using Flere

$1888 USD in 10 dage
(14 bedømmelser)
5.6
ShunJohn

Hello. Thanks for posting this project. I am an expert having rich experience in schematic circuit and PCB layout. best regards.

$744 USD in 10 dage
(12 bedømmelser)
5.2
endlessflier

Hi, thanks for posting the job. I have an experience with development of vending machine. I am familiar to MDB protocol I am very interested in your job. Please invite me. Thanks. Best regards.

$3333 USD in 30 dage
(18 bedømmelser)
4.9
techlinesols35

"Hi, Hope you are doing well! Thanks for sharing your project requirement with us. It will be our great pleasure to work on your project. I have checked your requirement, yes we can do it, because we already work on si Flere

$616 USD in 7 dage
(0 bedømmelser)
0.0
bojanhor

Hi, i can write a program for raspberry pi, design custom PCB, choose enclosure, connection cables, and provide detailed manufacturing documentation along with simplified documentation for on-field technitian.

$1333 USD in 30 dage
(0 bedømmelser)
0.0
teamapp

Hello, Thanks for posting this project. Here we read your requirement and understand it. We have some queries . So we want to discuss with you. Please message us then we can discuss in detail and provide you e Flere

$271 USD in 10 dage
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0.0