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HardwareDataLogger
Summary
tl;dr it can collect, display, and store data locally and remotely, interfacing with various other devices.
Modular, low-cost hardware data logger that can be easily extended or modified by changing the cards connected to it. The idea is that instead of reworking or changing the entire concept, only some cards need to be replaced, making it more reusable.
The project is based on:
- STM32F103RBTx: The main component, responsible for data processing.
- ESP32-WROOM-32E: For sending data to external nodes (e.g., Raspberry Pi).
- Software on a remote node (Raspberry Pi): Stores the data, processes it further, and provides a web interface with measurements for the user.
The project has the following features:
- Pulse counting from up to four devices (e.g., Geiger counters) with logic levels from 3.3V to 16V, using SMA connectors.
- Data acquisition from measurement devices via UART, utilizing a DB9 connector.
- User interface with a 128x160 RGB LCD, four navigation buttons (up/down/left/right), and automatic LCD dimming in low light.
- UART over USB for transferring logged data to an external PC.
- microSD card for permanent data storage.
- WiFi capability for remote data transfer.
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