Smart Coffee Vending Machine using Arduino 29 - Nov - 2021 zoyebella Arduino 2 Comments 63.8K Views <img src="https://images.theengineeringprojects.com/image/main/2021/11/30.jpg" alt="Smart coffee vending machine, Project overview, Components needed, Components details, Arduino UNO, PCF8574, LCD Display, Proteus simulation of smart coffee vending machine, Circuit diagram and working, Arduino code for smart coffee vending machine, Declaration code" class="alignCenter" width="300" height="191" srcset="https://images.theengineeringprojects.com/image/300/2021/11/30.jpg 300w, https://images.theengineeringprojects.com/image/600/2021/11/30.jpg 600w" sizes=" ... Smart coffee vending machine Project overview Components needed Components details Arduino UNO PCF8574 LCD Display Proteus simulation of smart coffee vending machine Circuit diagram and working Arduino code for smart coffee vending machine Declaration code Read More