README.md

@@ -14,8 +14,8 @@ The project is intended for versatile use in prototyping and project development
 - [Features Overview](#features-overview)
 - [Designed PCBs](#designed-pcbs)
   * [1. Raspberry Pi Interface Board](#1-raspberry-pi-interface-board)
-  * [2. Power Supply Board](#2---power-supply-board--)
-  * [3. LED Boards](#3---led-boards--)
+  * [2. **Power Supply Board**](#2---power-supply-board--)
+  * [3. **LED Boards**](#3---led-boards--)
 - [Raspberry Pi Usage](#raspberry-pi-usage)
   * [Connectivity](#connectivity)
     + [LAN Connection (Ethernet)](#lan-connection--ethernet-)
@@ -33,21 +33,10 @@ The project is intended for versatile use in prototyping and project development
 
 
 # Photos
-#### Photo of all Hardware Components
-### All components:
-  <img src="doc/photos/all-components.jpg" alt="All Components (Disassembled)" width="65%"/>
-
-### Assembly:
-  <img src="doc\photos\all-connected.jpg" alt="" width="65%"/>
-
-### Finished Project:
-  <img src="doc\photos\final_diagonal-view.jpg" alt="" width="65%"/>
-  <img src="doc\photos\final_back-view.jpg" alt="" width="65%"/>
-  <img src="doc\photos\final_right-view.jpg" alt="" width="55%"/>
-
-### Detail views with annotations:
-  <img src="doc\photos\interface-board_top_annotated.jpg" alt="" width="65%"/>
-  <img src="doc\photos\supply-raspberry_annotated.jpg" alt="" width="65%"/>
+### Photo of all Hardware Components
+<p align="center">
+  <img src="doc/photos/all-components.jpg" alt="All Components (Disassembled)" width="75%"/>
+</p>
 
 
 ---
@@ -134,7 +123,7 @@ This board connects to the Raspberry Pi via a 40-pin ribbon cable and provides p
 ---
 
 
-## 2. Power Supply Board
+## 2. **Power Supply Board**
 Creates different voltages from supplied 24 V. Supply for the Raspberry Pi interface board as well as several terminals for variable use (connect sensors, devices, etc., to the housing).
 
 ### Photo
@@ -173,7 +162,7 @@ Creates different voltages from supplied 24 V. Supply for the Raspberry Pi inter
 
 ---
 
-## 3. LED Boards
+## 3. **LED Boards**
 Small PCBs with LEDs, resistors, and mounting holes for housing indicators.
 
 ### Photo

pi-interface-board_v1.0/pi-interface-board_v1.0.kicad_sch

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-	(text "\n- Digital inputs: Isolate GND (separate GND terminal for opamp diodes) \n- Fixed voltage digital inputs (24V) with voltage divider + protection diode,\n     since some 24V sensors might consider 5V as low\n- Pulldown R analog input (currently leds randomly on when input unused)\n- UART: Add RX TX leds\n- Add diode to prevent backfeeding when USB supply connected too\n- Pin Assignment: Swap PWM1 with DIG-IN_4  so pwm outputs are on \n  different RPI pwm-channels if thats an issue\n- Re-evaluate LED board open drain outputs (8x DO, 2x PWM): \n  When connecting large voltage e.g. 48V motor \n  the led reverse voltage might be too high in off state? \n  -> Add additional normal diode in series + use 5V?"
+	(text "\n- Digital inputs: Isolate GND (separate GND terminal for opamp diodes) \n- Fixed voltage digital inputs (24V) with voltage divider + protection diode,\n     since some 24V sensors might consider 5V as low\n- Pulldown R analog input (currently leds randomly on when input unused)\n- UART: Add RX TX leds\n- Add diode to prevent backfeeding when USB supply connected too\n- Pin Assignment: Swap PWM1 with DIG-IN_4  so pwm outputs are on \n  different RPI pwm-channels if thats an issue"
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+	(text "- Footprint: Digital-in TVS diodes too large -> rotated footprint, increased drill dia\n- Footprint: Increased Pitch Buzzer\n- Footptint: Diodes PWM increased drill dia"
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power-supply-board_v1.0/power-supply-board_v1.0.kicad_pcb

@@ -43313,7 +43313,7 @@
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rpi-scripts/gui/gui-start.service

@@ -9,19 +9,16 @@
 
 [Unit]
 Description=Start Python GUI for IO-control and monitoring after startup
-# note: when using After=graphical.target: it only starts after successful network connection...
 After=display-manager.service
 Wants=display-manager.service
 
 [Service]
 Environment=DISPLAY=:0
-
-# note: some delay is needed for DISPLAY :0 to be available
-ExecStart=/bin/bash -c "/bin/sleep 6 && /usr/bin/python3 /home/pi/git/rpi-interface-board/rpi-scripts/gui/main.py"
+ExecStart=/usr/bin/python3 /home/pi/git/rpi-interface-board/rpi-scripts/gui/main.py
 WorkingDirectory=/home/pi/git/rpi-interface-board/rpi-scripts/gui
 User=pi
 Group=pi
-Restart=no
+Restart=always
 
 [Install]
 WantedBy=default.target