Cota power transmitter (top left),
COTA receiver system eliminates the need to change batteries or use line-power.
- Development: 2023-2024. Role: Lead FW developer
- 5.8 GHz (OTA) rechargeable battery-powered transmitter ("beacon"), with BLE back channel, OTA charge controller
- ARM Cortex-M4 (Nordic nRF52832)
- IAR Embedded Workbench
- FreeRTOS
- Over-the-air (OTA) device-firmware updating (DFU) via BLE
- Secure bootloader
- Secure element (ST Micro) STSAFE-A110. This provides authentication and secure data management services.
- I2C port is exposed for OEM use. This allows adding IoT Sensors (e.g. temperature, barometric pressure)
- See IoT proof-of-concept on the Project Details page.
Pebblebee LTE-Cat-M1 Tracker
- Development: 2019-2020. Role: Lead (sole) FW developer
- LTE Cat-M1, utilizing "Sequans" (Skyworks Solutions SKY66430)
- ARM Cortex-M0
- Keil MDK ARM
- GPS receiver
- eDRX (Extended Discontinuous Reception)
- SPI, I2C, UART
- Development: 2016-2017. Role: FW developer (team member), keyboard, display, sensors
- Atmel SAMG51 ARM Cortex-M4
- FreeRTOS, Qwerty keyboard, barometric sensor, LCD display
- Atmel Studio
- Development: 2015-2016. Roles: (Sole) HW developer, (Sole) FW developer
- ATXmega128 Atmel micro controller
- 128x64 PIXEL LCD with backlight
- Multi-level hierarchical menu UI
- CAN J1939 bus interface for engine diagnostics
- Weather station test and diagnostics
- Volt meter function
- RS-232 communications for firmware updating, configuring and diagnostics of Orchard-Rite products
- Battery powered (4 x AA)