docs: Update version numbering to semantic versioning (Rev. 0.0/0.1)

- Rename Rev. 0 to Rev. 0.0 (initial release)
- Rename Rev. 1 to Rev. 0.1 (major hardware upgrade)
- Update all documentation (README and CHANGELOG files)
- Create new git tags with proper semantic versioning

CHANGELOG.de.md

@@ -0,0 +1,68 @@
+# 📝 Changelog
+
+*🇬🇧 English version: [CHANGELOG.md](CHANGELOG.md)*
+
+Alle wichtigen Änderungen am Laser CANbus Toolhead PCB Projekt werden in dieser Datei dokumentiert.
+
+Das Format basiert auf [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+und dieses Projekt folgt [Semantic Versioning](https://semver.org/spec/v2.0.0.html) für Hardware-Revisionen.
+
+## [Unveröffentlicht]
+
+## [Rev. 0.1] - 2025-11-26
+
+### 🔧 Hardware-Änderungen
+- **Transistor Upgrade:** MOSFET durch CJAC70P06 ersetzt (60V Spannungsfestigkeit, verbesserte Sicherheitsmarge)
+- **Sensor Upgrade:** Wechsel von ADXL345 zu ICM-20602 (bessere Verfügbarkeit, moderner 6-Achsen IMU mit Gyroskop)
+- **Steckverbinder Änderung:** Micro Fit 3.0 Steckverbinder von SMD zu THT geändert für bessere mechanische Stabilität
+
+### 🎨 Design-Verbesserungen
+- **Bestückungsdruck Verbesserung:** Steckerbelegungen zum Bestückungsdruck hinzugefügt für einfachere Montage und Fehlersuche
+- **Layout-Optimierung:** Bestückungsplatz aufgeräumt und Routing für bessere Signalintegrität optimiert
+- **Dokumentation:** Übersichtsbild an aktuelles Design angepasst
+
+### 📋 Dokumentation & Produktion
+- **BOM Update:** Bauteil-Bestellnummern für einfachere Beschaffung hinzugefügt
+- **Produktionsdateien:** Montage- und Produktionsdateien mit aktuellen Bauteilen aktualisiert
+- **Dokumentation:** Umfassendes Changelog und Inhaltsverzeichnis zu README-Dateien hinzugefügt
+- **Sprachunterstützung:** Verbesserte Dokumentationsstruktur mit ordentlichen Sprachverlinkungen
+
+### 🔌 Elektrische Spezifikationen
+- **Spannungsfestigkeit:** Verbessert auf 60V (CJAC70P06 vs. vorherigem AO4407A)
+- **Strombelastbarkeit:** 6A kontinuierlich, 8A Spitzenstrom beibehalten
+- **Sensor-Fähigkeiten:** Upgrade auf 6-Achsen Bewegungserkennung (Beschleunigungssensor + Gyroskop)
+
+## [Rev. 0.0] - 2025-11-25
+
+### 🚀 Erste Veröffentlichung
+- **Mikrocontroller:** STM32F072CBU6 (Cortex-M0, 48MHz, CAN-fähig)
+- **CAN-Bus Kommunikation:** SN65HVD230 Transceiver mit ESD-Schutz
+- **Laser-Leistungssteuerung:** 24V/4A Steuerung mit AO4407A MOSFET
+- **Input Shaping:** ADXL345 Beschleunigungssensor für Klipper Resonanzmessung
+- **Stromversorgung:** MP2459 Buck Converter (24V zu 5V) und XC6206 LDO (5V zu 3.3V)
+- **Sicherheitsfeatures:** Hardware-Pull-Down, TVS-Schutz, PTC-Sicherung
+- **Diagnose:** Mehrere Status-LEDs für Systemüberwachung
+
+### 🔧 Features
+- Klipper-kompatible Firmware-Unterstützung
+- CAN-Bus Kommunikation mit 1 Mbit/s
+- Hardware-PWM für Laser-Steuerung
+- Split-Terminierung via Solder-Jumper
+- Soft-Start Schaltung für Laser-Stromversorgung
+- Debug/Programming-Header für Entwicklung
+
+---
+
+## 📊 Versions-Vergleich
+
+| Feature | Rev. 0.0 | Rev. 0.1 |
+|---------|----------|----------|
+| **MOSFET** | AO4407A | CJAC70P06 (60V) |
+| **Sensor** | ADXL345 (3-Achsen) | ICM-20602 (6-Achsen) |
+| **Steckverbinder** | SMD | THT |
+| **Spannungsfestigkeit** | Standard | 60V Verbessert |
+| **Bestückungsdruck** | Basis | Erweitert mit Pinbelegungen |
+
+---
+
+*Für technische Dokumentation siehe [README.de.md](README.de.md)*

CHANGELOG.md

@@ -0,0 +1,68 @@
+# 📝 Changelog
+
+*🇩🇪 Deutsche Version: [CHANGELOG.de.md](CHANGELOG.de.md)*
+
+All notable changes to the Laser CANbus Toolhead PCB project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) for hardware revisions.
+
+## [Unreleased]
+
+## [Rev. 0.1] - 2025-11-26
+
+### 🔧 Hardware Changes
+- **Transistor Upgrade:** Replaced MOSFET with CJAC70P06 (60V voltage rating, improved safety margin)
+- **Sensor Upgrade:** Changed from ADXL345 to ICM-20602 (better availability, modern 6-axis IMU with gyroscope)
+- **Connector Change:** Micro Fit 3.0 connectors changed from SMD to THT mounting for better mechanical stability
+
+### 🎨 Design Improvements
+- **Silkscreen Enhancement:** Added connector pin assignments to silkscreen for easier assembly and debugging
+- **Layout Optimization:** Cleaned up component placement and optimized routing for better signal integrity
+- **Documentation:** Updated overview image to reflect current design
+
+### 📋 Documentation & Production
+- **BOM Update:** Added component order numbers for easier procurement
+- **Production Files:** Updated assembly and production files with current components
+- **Documentation:** Added comprehensive changelog and table of contents to README files
+- **Language Support:** Improved documentation structure with proper language links
+
+### 🔌 Electrical Specifications
+- **Voltage Rating:** Improved to 60V (CJAC70P06 vs. previous AO4407A)
+- **Current Handling:** Maintained 6A continuous, 8A peak capability
+- **Sensor Capability:** Upgraded to 6-axis motion sensing (accelerometer + gyroscope)
+
+## [Rev. 0.0] - 2025-11-25
+
+### 🚀 Initial Release
+- **Microcontroller:** STM32F072CBU6 (Cortex-M0, 48MHz, CAN-capable)
+- **CAN-Bus Communication:** SN65HVD230 transceiver with ESD protection
+- **Laser Power Control:** 24V/4A control with AO4407A MOSFET
+- **Input Shaping:** ADXL345 accelerometer for Klipper resonance measurement
+- **Power Supply:** MP2459 buck converter (24V to 5V) and XC6206 LDO (5V to 3.3V)
+- **Safety Features:** Hardware pull-down, TVS protection, PTC fuse
+- **Diagnostics:** Multiple status LEDs for system monitoring
+
+### 🔧 Features
+- Klipper-compatible firmware support
+- CAN-Bus communication at 1 Mbit/s
+- Hardware PWM for laser control
+- Split termination via solder jumper
+- Soft-start circuit for laser power
+- Debug/programming header for development
+
+---
+
+## 📊 Version Comparison
+
+| Feature | Rev. 0.0 | Rev. 0.1 |
+|---------|----------|----------|
+| **MOSFET** | AO4407A | CJAC70P06 (60V) |
+| **Sensor** | ADXL345 (3-axis) | ICM-20602 (6-axis) |
+| **Connectors** | SMD | THT |
+| **Voltage Rating** | Standard | 60V Enhanced |
+| **Silkscreen** | Basic | Enhanced with pinouts |
+
+---
+
+*For technical documentation, see [README.md](README.md)*

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 				(font
 					(size 1.27 1.27)
@@ -14548,7 +14740,7 @@
 			)
 		)
 		(property "FT Rotation Offset" ""
-			(at 16.51 270.51 0)
+			(at 38.1 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -14556,6 +14748,9 @@
 				(hide yes)
 			)
 		)
+		(pin "1"
+			(uuid "7602400c-cb5e-4f1f-ac1d-e91ff6950fd6")
+		)
 		(instances
 			(project "Laser CANbus Toolhead"
 				(path "/ce7005b1-0d93-427d-a521-eed016fd602d"
@@ -15991,8 +16186,8 @@
 		)
 	)
 	(symbol
-		(lib_id "Mechanical:MountingHole")
+		(lib_id "Mechanical:MountingHole_Pad")
-		(at 16.51 275.59 0)
+		(at 57.15 274.32 0)
 		(unit 1)
 		(exclude_from_sim no)
 		(in_bom no)
@@ -16001,7 +16196,7 @@
 		(fields_autoplaced yes)
 		(uuid "9e9c1501-e66f-475b-ad03-12a0daf42c92")
 		(property "Reference" "H103"
-			(at 19.05 274.3199 0)
+			(at 59.69 271.7799 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -16010,7 +16205,7 @@
 			)
 		)
 		(property "Value" "MountingHole"
-			(at 19.05 276.8599 0)
+			(at 59.69 274.3199 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -16018,8 +16213,8 @@
 				(justify left)
 			)
 		)
-		(property "Footprint" "MountingHole:MountingHole_2.7mm_M2.5"
+		(property "Footprint" "MountingHole:MountingHole_2.7mm_Pad_Via"
-			(at 16.51 275.59 0)
+			(at 57.15 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -16028,7 +16223,7 @@
 			)
 		)
 		(property "Datasheet" "~"
-			(at 16.51 275.59 0)
+			(at 57.15 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -16036,8 +16231,8 @@
 				(hide yes)
 			)
 		)
-		(property "Description" "Mounting Hole without connection"
+		(property "Description" "Mounting Hole with connection"
-			(at 16.51 275.59 0)
+			(at 57.15 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -16046,7 +16241,7 @@
 			)
 		)
 		(property "Manufacturer Part #" ""
-			(at 16.51 275.59 0)
+			(at 57.15 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -16055,7 +16250,7 @@
 			)
 		)
 		(property "LCSC Part #" ""
-			(at 16.51 275.59 0)
+			(at 57.15 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -16064,7 +16259,7 @@
 			)
 		)
 		(property "FT Rotation Offset" ""
-			(at 16.51 275.59 0)
+			(at 57.15 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -16072,6 +16267,9 @@
 				(hide yes)
 			)
 		)
+		(pin "1"
+			(uuid "4b2f8cf9-1d48-478b-a79c-33da43eeaf42")
+		)
 		(instances
 			(project "Laser CANbus Toolhead"
 				(path "/ce7005b1-0d93-427d-a521-eed016fd602d"
@@ -18767,8 +18965,8 @@
 		)
 	)
 	(symbol
-		(lib_id "Mechanical:MountingHole")
+		(lib_id "Mechanical:MountingHole_Pad")
-		(at 16.51 265.43 0)
+		(at 19.05 274.32 0)
 		(unit 1)
 		(exclude_from_sim no)
 		(in_bom no)
@@ -18777,7 +18975,7 @@
 		(fields_autoplaced yes)
 		(uuid "fafbe705-2d08-488e-acdb-092ee647a274")
 		(property "Reference" "H101"
-			(at 19.05 264.1599 0)
+			(at 21.59 271.7799 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -18786,7 +18984,7 @@
 			)
 		)
 		(property "Value" "MountingHole"
-			(at 19.05 266.6999 0)
+			(at 21.59 274.3199 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -18794,8 +18992,8 @@
 				(justify left)
 			)
 		)
-		(property "Footprint" "MountingHole:MountingHole_2.7mm_M2.5"
+		(property "Footprint" "MountingHole:MountingHole_2.7mm_Pad_Via"
-			(at 16.51 265.43 0)
+			(at 19.05 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -18804,7 +19002,7 @@
 			)
 		)
 		(property "Datasheet" "~"
-			(at 16.51 265.43 0)
+			(at 19.05 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -18812,8 +19010,8 @@
 				(hide yes)
 			)
 		)
-		(property "Description" "Mounting Hole without connection"
+		(property "Description" "Mounting Hole with connection"
-			(at 16.51 265.43 0)
+			(at 19.05 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -18822,7 +19020,7 @@
 			)
 		)
 		(property "Manufacturer Part #" ""
-			(at 16.51 265.43 0)
+			(at 19.05 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -18831,7 +19029,7 @@
 			)
 		)
 		(property "LCSC Part #" ""
-			(at 16.51 265.43 0)
+			(at 19.05 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -18840,7 +19038,7 @@
 			)
 		)
 		(property "FT Rotation Offset" ""
-			(at 16.51 265.43 0)
+			(at 19.05 274.32 0)
 			(effects
 				(font
 					(size 1.27 1.27)
@@ -18848,6 +19046,9 @@
 				(hide yes)
 			)
 		)
+		(pin "1"
+			(uuid "1b9d1ffa-4342-44f5-b944-a71e3f89068e")
+		)
 		(instances
 			(project ""
 				(path "/ce7005b1-0d93-427d-a521-eed016fd602d"

README.de.md

@@ -42,6 +42,7 @@ Ein kompaktes, robustes Toolhead-Board für Klipper-basierte Lasergravierer und
     - [Rev. 1](#rev-1)
     - [Rev. 0 (Erste Veröffentlichung)](#rev-0-erste-veröffentlichung)
   - [📚 Weitere Ressourcen](#-weitere-ressourcen)
+  - [Lizenz](#lizenz)
 
 <!-- /code_chunk_output -->
 
@@ -218,7 +219,7 @@ cycle_time: 1.0
 
 ## 📝 Changelog
 
-### Rev. 1
+### Rev. 0.1
 - **Transistor Upgrade:** MOSFET durch CJAC70P06 ersetzt (60V Spannungsfestigkeit)
 - **Sensor Upgrade:** Wechsel von ADXL345 zu ICM-20602 (bessere Verfügbarkeit, moderner 6-Achsen IMU)
 - **Steckverbinder Änderung:** Micro Fit 3.0 Steckverbinder von SMD zu THT geändert
@@ -228,7 +229,7 @@ cycle_time: 1.0
 - **BOM Update:** Bauteil-Bestellnummern hinzugefügt und Produktionsdaten aktualisiert
 - **Produktionsdateien:** Montage- und Produktionsdateien mit aktuellen Bauteilen aktualisiert
 
-### Rev. 0 (Erste Veröffentlichung)
+### Rev. 0.0 (Erste Veröffentlichung)
 - Erstes PCB-Design mit STM32F072CBU6 Mikrocontroller
 - CAN-Bus Kommunikation mit SN65HVD230 Transceiver
 - 24V/4A Laser-Leistungssteuerung mit AO4407A MOSFET

README.md

@@ -42,6 +42,7 @@ A compact, robust toolhead board for Klipper-based laser engravers and cutters (
     - [Rev. 1](#rev-1)
     - [Rev. 0 (Initial Release)](#rev-0-initial-release)
   - [📚 Additional Resources](#-additional-resources)
+  - [License](#license)
 
 <!-- /code_chunk_output -->
 
@@ -212,7 +213,7 @@ cycle_time: 1.0
 
 ## 📝 Changelog
 
-### Rev. 1
+### Rev. 0.1
 - **Transistor Upgrade:** Replaced MOSFET with CJAC70P06 (60V voltage rating)
 - **Sensor Upgrade:** Changed from ADXL345 to ICM-20602 (better availability, modern 6-axis IMU)
 - **Connector Change:** Micro Fit 3.0 connectors changed from SMD to THT mounting
@@ -222,7 +223,7 @@ cycle_time: 1.0
 - **BOM Update:** Added component order numbers and updated production data
 - **Production Files:** Updated assembly and production files with current components
 
-### Rev. 0 (Initial Release)
+### Rev. 0.0 (Initial Release)
 - Initial PCB design with STM32F072CBU6 microcontroller
 - CAN-Bus communication with SN65HVD230 transceiver
 - 24V/4A laser power control with AO4407A MOSFET