Raspberry Pi Retail Applications: Transform Your Business with a Low-Cost Single-Board Computer

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

E. Wu, D. MaslovRaspberry Pi Retail Applicationshttps://doi.org/10.1007/978-1-4842-7951-9_3

3. Vending Machine

Elaine Wu¹   and Dmitry Maslov¹

(1)

Shenzhen, China

 

Problem Overview

Vending machines are great! They help selling goods when personnel is limited, for example at night or in remote, underserviced locations.

The first modern coin-operated vending machines were introduced in London, England in the early 1880s. They dispensed postcards. That machine was invented by Percival Everitt in 1883 and soon became a widespread feature at railway stations and post offices, dispensing envelopes, postcards, and notepaper. See Figure 3-1.

Figure 3-1

An early coin-operated ...