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Voting Machine

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A nice voting machine made of three buttons, a display, a badge reader (to identify people), and a raspberry pi

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Updated at source:

Model information

Source
Printables
Category
Portable Devices
License
Creative Commons — Attribution
DetailsFiles (23)Makes & comments (Makes: 0) (Comments: 0)Remixes (0)Collections (6)Related

 

Do you want to handle some custom votations ? 

If yes, this model is the one you're looking for !


About the machine: 

The system was made to allows you to create custom votations. 

  • The machine have three buttons (Green, White, Red), but you can choose differents colors.
  • There is an NFC Card Reader to restrict vote to known users (votes can be anonymous or not). The NFC reader is optional
  • An embedded Raspberry Pi Zero hold the source code, the database, and offers a webserver to dynamicaly access the results as well as change the question. 
  • Eight 8x8 matrix displays allows you to display questions, progress bar, custom message, …
  • Last but not least, no need to worry about the power, no high voltage involved : the machine have a classical 12V power connector. 

About the print:

The machine is made of thirteen different parts, almost all of them have to be printed once.

The design was made such that no part require support. 

Part NameQuantity
Voting_Machine - Back_Left1
Voting_Machine - Back_Right1
Voting_Machine - Button_Center1
Voting_Machine - Button_Left1
Voting_Machine - Button_Right1
Voting_Machine - Display_Bottom_Bracket1
Voting_Machine - Display_Central_Bracket1
Voting_Machine - Display_Right1
Voting_Machine - Display_Top_Bracket1
Voting_Machine - Power_Supply_Bracket1
Voting_Machine - Display_Edges_Bracket2
Voting_Machine - Display_Left1
Voting_Machine - Spacers4

 

Extra Parts:

Once the machine is printed, you will need some extra part to finalyse the assembly. 

All screws/nuts are M3 size. (M3x10, M3x16, M3). 

All the electronics components can be found here :

PartQuantityLink
NFC Reader1https://www.amazon.se/gp/product/B07WHGFN6Z/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1
Relay Plate1https://www.amazon.se/gp/product/B07SS5GNYT/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
Power Supply1https://www.amazon.se/gp/product/B001W3W12E/ref=ppx_yo_dt_b_asin_title_o08_s01?ie=UTF8&psc=1
Power Connector1https://www.amazon.se/gp/product/B00E8CURKO/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1
Power Convertor1https://www.amazon.se/gp/product/B07Q9PSFG1/ref=ppx_yo_dt_b_asin_title_o08_s01?ie=UTF8&psc=1
4 x 8x8_matrix display2https://www.amazon.se/gp/product/B07HJH6N1Z/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
Red Button1https://www.amazon.se/gp/product/B01LZMANZ7/ref=ppx_yo_dt_b_asin_title_o00_s01?ie=UTF8&psc=1
White Button1https://www.amazon.se/gp/product/B071FSKY6Q/ref=ppx_yo_dt_b_asin_title_o00_s01?ie=UTF8&psc=1
Green Button1https://www.amazon.se/gp/product/B071FSMHDF/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
Level Shifter1https://www.amazon.se/gp/product/B07NNRS8FS/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1

 

Cabling / Programming 

  • The cabling might take time and have to be done properly to avoid destroying any component. Following all the instructions provided by the producer might help : this is pretty straight forward. The schematics are not yet available, I'll upload them soon.
  • For the source code, just play ! This is a simple three buttons machine ! You'll find all the component library easily on github.

 

Tags

raspberrybuttonraspberrypiraspberrypizeronosupportnfcvotevoting