diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..727bc05
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.directory
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..06c7957
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,8 @@
+{
+	"editor.tabSize": 4,
+	"editor.insertSpaces": true,
+	"editor.detectIndentation": false,
+	"git.mergeEditor": false,
+	"spellright.language": ["en-US-10-1."],
+	"spellright.documentTypes": ["markdown", "latex", "plaintext"]
+}
diff --git a/README.md b/README.md
index e5d7993..47c1a30 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ This repository is a work in progress. Watch for updates:
 
 ## Hotend
 
-### SV06ZJB_V1.4
+### PCB SV06ZJB_V1.4
 
 <img src="./images/hotend-pcb-labelled.png" width="800" alt='Hotend PCB'/>
 
@@ -38,38 +38,19 @@ This repository is a work in progress. Watch for updates:
 | P8 | Thermistor | JST 1.25mm 2-Pin |  |  |
 | P6 | Probe  | JST 1.25mm 5-Pin |  |  |
 | P5 | Part cooling fan | JST 1.25mm 2-Pin |  |  |
-| P7 | Filament sensor (*verified*)| JST 1.25mm 3-Pin |  |  |
+| P7 | Filament sensor | JST 1.25mm 3-Pin |  |  |
 
-## Motherboard
+### Filament Sensor
 
-<img src="./images/motherboard.png" width="800" alt='Motherboard'/>
+I tested two random filament runout sensors that I had on hand. Both work just fine. It seems to me that any sensor with `VCC`, `Ground`, and `Signal` pins should work.
 
-## Lead Screws and Rods
+In order to get the filament sensor working, just make sure that the `VCC`, `Ground`, and `Signal` line up with the pins on the hotend PCB, port `P7`.
 
-### Lead Screws
-
-| Axis | Qty | Length | Dia. | Lead | Pitch | Starts | Sovol Part # |
-| - | - | - | - | - | - | - | - |
-| Z | 2 | 376mm | 8mm | 4mm | 2mm | 2 | JXHSV06-02003-a |
+<img src="./images/fil-sensor/btt.jpg" width="800" alt='Filament sensor'/>
+<img src="./images/fil-sensor/simple.jpg" width="800" alt='Filament sensor'/>
+<img src="./images/fil-sensor/full.jpg" width="800" alt='Filament sensor'/>
 
-### Linear Motion Guide Rods
-
-| Axis | Qty | Length | Dia. | Sovol Part # |
-| - | - | - | - | - |
-| X | 2 | 350mm | 8mm | JXHSV06-03001-a |
-| Y | 2 | 340mm | 8mm | JXHSV06-01012-a |
-| Z | 2 | 400mm | 8mm | JXHSV06-02004-a |
-
-## Z Axis Couplers
-
-<img src="./images/z-coupler.png" width="100" alt='Z coupler rigid 5mm to 8mm'/>
-
-
-| Type | Qty | Dia.| Length | Motor Shaft Dia. | Lead Screw Dia. |
-| - | - | - | - | - | - |
-| Rigid | 2 | 20mm | 25mm | 5mm | 8mm |
-
-## Heatblock
+### Heatblock
 
 <img src="./images/heatblock/heatblock-display.jpg" height="100" alt='Heatblock image'/>
 
@@ -79,7 +60,7 @@ This repository is a work in progress. Watch for updates:
 
 <img src="./images/heatblock/heatblock-specs.png" width="500" alt='Heatblock spec'/>
 
-## Heatbreak
+### Heatbreak
 
 <img src="./images/heatbreak/heatbreak.png" height="200" alt=''/>
 
@@ -99,6 +80,34 @@ I purchased and tested [this heatbreak](https://s.click.aliexpress.com/e/_DmzWJN
 
 <img src="./images/heatbreak/aftermarket-aliexpress.png" height="200" alt='Aftermarket heatbreak'/>
 
+## Motherboard
+
+<img src="./images/motherboard.png" width="800" alt='Motherboard'/>
+
+## Lead Screws and Rods
+
+### Lead Screws
+
+| Axis | Qty | Length | Dia. | Lead | Pitch | Starts | Sovol Part # |
+| - | - | - | - | - | - | - | - |
+| Z | 2 | 376mm | 8mm | 4mm | 2mm | 2 | JXHSV06-02003-a |
+
+### Linear Motion Guide Rods
+
+| Axis | Qty | Length | Dia. | Sovol Part # |
+| - | - | - | - | - |
+| X | 2 | 350mm | 8mm | JXHSV06-03001-a |
+| Y | 2 | 340mm | 8mm | JXHSV06-01012-a |
+| Z | 2 | 400mm | 8mm | JXHSV06-02004-a |
+
+## Z Axis Couplers
+
+<img src="./images/z-coupler.png" width="100" alt='Z coupler rigid 5mm to 8mm'/>
+
+| Type | Qty | Dia.| Length | Motor Shaft Dia. | Lead Screw Dia. |
+| - | - | - | - | - | - |
+| Rigid | 2 | 20mm | 25mm | 5mm | 8mm |
+
 ## Sovol Repositories
 
 - [Marlin source code](https://github.com/Sovol3d/Sv06-Source-Code)
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