07/11/2023
Recently designed a device for tracking temperature sensitive packages (Medicines).
An OLED display shows,
- Temperature 🔥 ❄
- Battery voltage ⚡
Cellular module enables,
- GPS data logging to server
- Temperature logging and alerts
Uses,
- Temperature sensor PT1000
- Tiny OLED display
- A7672S module for 4G and GNSS
- STM32L051 MCU
- TP4056 for USB charging
- Waterproof Takachi enclosure