2 days per week until September 2019, and occasional work till November 2021. Full time till December 2022 and occasional work since.Firmware design of a precision GPS location system.Windows user interface design for system test software, and system setup UI.Ranging using UWB for a personal safety device. This system included BLE for inter device communication.

Responsibilities included hardware and firmware design, digital and low noise analog design and DSP design.Major projects I contributed to include the following:Low noise analog and DSP design for an electromagnetic water flow meterHardware and firmware design of a temperature compensated depth sensorHardware design of various sensor interfaces for a water quality analyserFirmware development for a water quality analyser

Responsibilities included Software / Firmware design and debugging / maintenance.Major projects I contributed to include the following:* Railway Fail Safe softwareSystem analysis, development and debugging for an axle counterThe firmware used numerical methods to implement software safetyMy work was verified by an independent auditorThis system was installed in sites in Queensland*Unix train graphing software for Kaohsiung, TaiwanSystem diagnostics/debuggingSoftware development including a Train Number System module for tracking the movement of trains across the rail network*Telemetry systems / firmwareDiagnostics of telemetry systems for Queensland Rail and MelbourneDeveloped firmware for use in telemetry systems in Melbourne