Portable field diagnostic system connecting industrial serial equipment to iPhone/iPad through a Raspberry Pi and MQTT — live monitoring, commands and remote configuration.
Working field prototype / sideloaded development tool
SwiftUIKitPythonMQTTRaspberry PiRS-232/422/485
Highlights
Replaces laptop + serial adapter workflow in difficult-access locations
Bidirectional serial over RS-232/422/485 via MOXA uPort 1150
Configurable baud rate, parity, stop bits and data bits
MQTT topics for data, commands, configuration and device control
Remote Raspberry Pi reboot/shutdown and serial fault classification
First serious iOS project — foundation for hardware/software integration work