diff --git a/.gitignore b/.gitignore
index e469197f..bd2fb15d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -379,4 +379,10 @@ ASALocalRun/
 *.nvuser
 
 # MFractors (Xamarin productivity tool) working folder
-.mfractor/
\ No newline at end of file
+.mfractor/
+
+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch
\ No newline at end of file
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 00000000..080e70d0
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,10 @@
+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index 4e5d2510..00000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "gitdoc.enabled": false
-}
\ No newline at end of file
diff --git a/gbs-control.ino b/gbs-control.ino
index 07405621..f9e090b6 100644
--- a/gbs-control.ino
+++ b/gbs-control.ino
@@ -22,6 +22,10 @@
 #include "SSD1306Wire.h"
 #include "fonts.h"
 #include "images.h"
+
+static inline void writeBytes(uint8_t slaveRegister, uint8_t *values, uint8_t numValues);
+const uint8_t *loadPresetFromSPIFFS(byte forVideoMode);
+
 SSD1306Wire display(0x3c, D2, D1); //inits I2C address & pins for OLED
 const int pin_clk = 14;            //D5 = GPIO14 (input of one direction for encoder)
 const int pin_data = 13;           //D7 = GPIO13	(input of one direction for encoder)
@@ -85,7 +89,7 @@ typedef TV5725<GBS_ADDR> GBS;
 static unsigned long lastVsyncLock = millis();
 
 // Si5351mcu library by Pavel Milanes
-// https ://github.com/pavelmc/Si5351mcu
+// https://github.com/pavelmc/Si5351mcu
 // included in project root folder to allow modifications within limitations of the Arduino framework
 // See 3rdparty/Si5351mcu for unmodified source and license
 #include "src/si5351mcu.h"
diff --git a/platformio.ini b/platformio.ini
new file mode 100644
index 00000000..af2d8744
--- /dev/null
+++ b/platformio.ini
@@ -0,0 +1,33 @@
+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+[platformio]
+lib_dir = ./src/
+src_dir = ./
+
+[env:d1_mini]
+platform = espressif8266@2.6.3
+board = d1_mini
+framework = arduino
+board_build.f_cpu = 160000000L
+board_build.ldscript = eagle.flash.4m1m.ld
+upload_speed = 921600
+monitor_speed = 115200
+lib_deps =  
+    me-no-dev/ESPAsyncTCP@^1.2.2
+    me-no-dev/ESP Async WebServer@^1.2.3
+    thingpulse/ESP8266 and ESP32 OLED driver for SSD1306 displays@4.4.0
+    bluemurder/ESP8266-ping@^2.0.1
+    ;r-downing/PersWiFiManager@^3.0.1
+    ;links2004/WebSockets@^2.1.4
+build_src_filter =
+  +<**/*.c>
+  +<**/*.cpp>
+  +<**/*.ino>
+  -<./3rdparty/*>
\ No newline at end of file
diff --git a/public/scripts/html2h.sh b/public/scripts/html2h.sh
index 929f80dc..922c351f 100755
--- a/public/scripts/html2h.sh
+++ b/public/scripts/html2h.sh
@@ -2,6 +2,6 @@
 
 cd ../..
 gzip -c9 webui.html > webui_html && xxd -i webui_html > webui_html.h && rm webui_html && sed -i -e 's/unsigned char webui_html\[]/const uint8_t webui_html[] PROGMEM/' webui_html.h && sed -i -e 's/unsigned int webui_html_len/const unsigned int webui_html_len/' webui_html.h
-rm webui_html.h-e
+rm -fv webui_html.h-e
 
 echo "webui_html.h GENERATED";
\ No newline at end of file