The article considers architecture and algorithms of vending machines. Given of criteria to choosing a microcontroller for creating vending machine. Analyzes hardware interfaces used in vending technology. Shows advantages of using of AES and CRC hardware accelerators.
The article investigates energy consumption of vending machine. Considered industrial design and analyzed energy consumption of machine’s key components. Suggested alternative components that reduce energy consumption. Suggested using of alternative power sources. Recommended a complex approach to issue of energy consumption optimization.