| Alternative | Features | Scalability | Security | Ease of Use | | --- | --- | --- | --- | --- | | WebSerial | Simple web interface, bi-directional communication | Medium | Medium | Easy | | SerialPort | Node.js library, efficient communication | High | High | Medium | | Modbus-TCP | Industrial protocol, widely adopted | High | High | Hard | | MQTT | Lightweight, bi-directional communication | High | High | Medium | | Socket.io | Real-time communication, flexible | High | High | Medium |