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add LICENSE file and update README for clarity and additional support information

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LICENSE.txt Normal file
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MIT License
Copyright (c) 2024 Manuel Weiser
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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README.md
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# FilaMan - Filament Management System
A comprehensive filament management system combining ESP32-based hardware for weight measurement and NFC tag reading/writing with a web interface for managing filament spools in conjunction with Bambu Lab AMS and Spoolman.
## Project Overview
FilaMan is designed to streamline the management of filament spools for 3D printing. The system consists of an ESP32 microcontroller that handles weight measurement and NFC tag operations, and a web interface that allows users to manage filament spools, monitor AMS (Automatic Material System) status, and interact with Spoolman and Bambu Lab printers.
FilaMan is a filament management system for 3D printing. It uses ESP32 hardware for weight measurement and NFC tag management.
Users can manage filament spools, monitor the status of the Automatic Material System (AMS) and make settings via a web interface.
The system integrates seamlessly with [Bambulab](https://bambulab.com/en-us) 3D printers and [Spoolman](https://github.com/Donkie/Spoolman) filament management as well as the [Openspool](https://github.com/spuder/OpenSpool) NFC-TAG format.
### ESP32 Hardware Features
- **Weight Measurement:** Using a load cell with HX711 amplifier for precise weight tracking.
@ -12,13 +10,15 @@ FilaMan is designed to streamline the management of filament spools for 3D print
- **OLED Display:** Shows current weight, connection status (WiFi, Bambu Lab, Spoolman).
- **WiFi Connectivity:** WiFiManager for easy network configuration.
- **MQTT Integration:** Connects to Bambu Lab printer for AMS control.
- **Data Persistence:** Stores calibration data in EEPROM.
- **Watchdog Timer:** Ensures system stability.
- **NFC-Tag NTAG215:** Use NTAG215 because of enaught space on the Tag
### Web Interface Features
- **Real-time Updates:** WebSocket connection for live data updates.
- **NFC Tag Management:** Write filament data to NFC tags.
- **AMS Integration:**
- **NFC Tag Management:**
- Write filament data to NFC tags.
- uses NFC-Tag Format of [Openspool](https://github.com/spuder/OpenSpool)
- so you can use it with automatic Spool detection in AMS
- **Bambulab AMS Integration:**
- Display current AMS tray contents.
- Assign filaments to AMS slots.
- Support for external spool holder.
@ -28,6 +28,9 @@ FilaMan is designed to streamline the management of filament spools for 3D print
- Update spool weights automatically.
- Track NFC tag assignments.
### If you want to support my work, i would be happy to get a coffe
<a href="https://www.buymeacoffee.com/manuelw" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
## Detailed Functionality
### ESP32 Functionality
@ -39,49 +42,19 @@ FilaMan is designed to streamline the management of filament spools for 3D print
- **User Interactions:** The web interface allows users to interact with the system, select filaments, write NFC tags, and monitor AMS status.
- **UI Elements:** Includes dropdowns for selecting manufacturers and filaments, buttons for writing NFC tags, and real-time status indicators.
## Installation
### Prerequisites
- **Software:**
- [PlatformIO](https://platformio.org/) in VS Code
- [Spoolman](https://github.com/Donkie/Spoolman) instance
- Bambu Lab printer (optional for AMS integration)
- **Hardware:**
- ESP32 Development Board
- HX711 Load Cell Amplifier
- Load Cell (weight sensor)
- OLED Display (128x64 SSD1306)
- PN532 NFC Module
- Connecting wires
### Step-by-Step Installation
1. **Clone the Repository:**
```bash
git clone https://github.com/yourusername/FilaMan.git
cd FilaMan
```
2. **Install Dependencies:**
```bash
pio lib install
```
3. **Flash the ESP32:**
```bash
pio run --target upload
```
4. **Initial Setup:**
- Connect to the "FilaMan" WiFi access point.
- Configure WiFi settings through the captive portal.
- Access the web interface at `http://filaman.local` or the IP address.
## Hardware Requirements
### Components
- **ESP32 Development Board:** Any ESP32 variant.
[https://amzn.eu/d/aXThslf](url)
- **HX711 Load Cell Amplifier:** For weight measurement.
- **Load Cell:** Weight sensor.
[https://amzn.eu/d/1wZ4v0x](url)
- **OLED Display:** 128x64 SSD1306.
[https://amzn.eu/d/dozAYDU](url)
- **PN532 NFC Module:** For NFC tag operations.
- **Connecting Wires:** For connections.
[https://amzn.eu/d/8205DDh](url)
- **NFC-Tag:** [https://amzn.eu/d/fywy4c4](url)
### Pin Configuration
| Component | ESP32 Pin |
@ -108,31 +81,39 @@ FilaMan is designed to streamline the management of filament spools for 3D print
- `Adafruit_SSD1306`: OLED display control
- `HX711`: Load cell communication
### External Services
- **Bambu Lab Printer:** For AMS integration.
- **Spoolman:** For filament management.
## Installation
## API Communication
### Prerequisites
- **Software:**
- [PlatformIO](https://platformio.org/) in VS Code
- [Spoolman](https://github.com/Donkie/Spoolman) instance
- **Hardware:**
- ESP32 Development Board
- HX711 Load Cell Amplifier
- Load Cell (weight sensor)
- OLED Display (128x64 SSD1306)
- PN532 NFC Module
- Connecting wires
### Spoolman Integration
The system communicates with Spoolman using its REST API for:
- Fetching spool information.
- Updating spool weights.
- Managing NFC tag assignments.
### Data Format
```json
{
"version": "2.0",
"protocol": "openspool",
"color_hex": "FFFFFF",
"type": "PLA",
"min_temp": 200,
"max_temp": 220,
"brand": "Vendor",
"sm_id": "1234"
}
### Step-by-Step Installation
1. **Clone the Repository:**
```bash
git clone https://github.com/ManuelW77/Filaman.git
cd FilaMan
```
2. **Install Dependencies:**
```bash
pio lib install
```
3. **Flash the ESP32:**
```bash
pio run --target upload
```
4. **Initial Setup:**
- Connect to the "FilaMan" WiFi access point.
- Configure WiFi settings through the captive portal.
- Access the web interface at `http://filaman.local` or the IP address.
## Documentation
@ -163,4 +144,7 @@ This project is licensed under the MIT License. See the [LICENSE](LICENSE) file
## Availability
The code can be tested and the application can be downloaded from the [GitHub repository](https://github.com/yourusername/FilaMan).
The code can be tested and the application can be downloaded from the [GitHub repository](https://github.com/ManuelW77/Filaman).
### If you want to support my work, i would be happy to get a coffe
<a href="https://www.buymeacoffee.com/manuelw" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>