Tom's Vending Machine: Difference between revisions
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*Modify Gary's coin acceptor design to work in the machine. | *Modify Gary's coin acceptor design to work in the machine. | ||
*Collect stock of the kinds of supplies that LVL1 wants stocked in the device. | *Collect stock of the kinds of supplies that LVL1 wants stocked in the device. | ||
*Create some sort of way to pay for things with a card number. | |||
**Brad was trying to make a web-based store that gave you a pin to punch in? See [https://github.com/Zuph/LVL1VendingMachine LVL1Vending Machine] | |||
**Other options include interfacing a tablet with a square card reader to the rPi | |||
Revision as of 16:05, 2 December 2015
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Equipment Overview
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Current State of Affairs
Brad has built some custom boards with PCA9554N I/O Port chips on them. There is an input board, with 22 screw terminals to be connected to any buttons on the device, an output board, with 22 relays to trigger the 22 motors to vend products, and a rPi to handle i2c protocol between the PCA9554N chips. -Jared
As of August 25, 2015, the I/O boards and RPI can successfully trigger each motor individually, and code has been written in python on functions such as tablature, stocking, and interpreting I/O boards. (Thanks Hunter!)
Gary has built a first-run prototype of a transparent coin acceptor that will pass coins in front of the glass display on the front of the vending machine.
To Do
- Hook up screen to RPI, and mount inside vending machine chassis.
- Modify Gary's coin acceptor design to work in the machine.
- Collect stock of the kinds of supplies that LVL1 wants stocked in the device.
- Create some sort of way to pay for things with a card number.
- Brad was trying to make a web-based store that gave you a pin to punch in? See LVL1Vending Machine
- Other options include interfacing a tablet with a square card reader to the rPi