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+---
+title: ESP32 PlatformIO
+description: Microcontroller development project setup / template
+date: 2020-05-03
+tags: ["esp32", "project", "platformio", "microcontroller", "programming"]
+categories: ["tutorial"]
+author: hendrik
+license: WTFPL
+---
+
+![ESP32 Lora Board](esp-lora-board.jpg)
+
+## Install PlatformIO
+
+```shell
+apt install platformio
+platformio platform update
+```
+
+## Project setup
+
+Choose your development board from the list. You can see all supported boards with the command: `platformio boards espressif32`
+
+Now create your new project:
+
+```shell
+cd ~/Projects/esp32/
+mkdir new_project
+cd new_project
+platformio project init --board esp-wrover-kit
+```
+
+## Configuration
+
+#### platformio.ini:
+```ini
+[env:esp-wrover-kit]
+platform = espressif32
+board = esp-wrover-kit
+framework = arduino
+monitor_speed = 115200
+
+#build_flags =
+#    -DBOARD_HAS_PSRAM
+#    -mfix-esp32-psram-cache-issue
+#    -DCONFIG_SPIRAM_CACHE_WORKAROUND
+#    -DCORE_DEBUG_LEVEL=5
+#
+#board_build.partitions = huge_app.csv
+#
+#lib_deps =
+#    TFT_eSPI
+```
+
+## Code
+
+#### src/main.cpp:
+```c++
+/**
+ * Blink
+ *
+ * Turns on an LED on for one second,
+ * then off for one second, repeatedly.
+ */
+#include "Arduino.h"
+
+#ifndef LED_BUILTIN
+#define LED_BUILTIN 13
+#endif
+
+void setup()
+{
+  // initialize LED digital pin as an output.
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+
+void loop()
+{
+  // turn the LED on (HIGH is the voltage level)
+  digitalWrite(LED_BUILTIN, HIGH);
+
+  // wait for a second
+  delay(1000);
+
+  // turn the LED off by making the voltage LOW
+  digitalWrite(LED_BUILTIN, LOW);
+
+   // wait for a second
+  delay(1000);
+}
+```
+
+now compile and upload your program
+
+```shell
+platformio run
+platformio run --target upload
+platformio device monitor
+```
+
+## SPIFFS
+create folder `data/`
+
+```shell
+platformio run --target uploadfs
+```
+
+## Git
+
+#### .gitignore:
+```
+.pio
+```
+
+and push to your project on github or gitlab:
+
+```shell
+touch README.md
+git init
+git commit -m "first commit"
+git remote add origin https://gitlab.com/username/new_project.git
+git push -u origin master
+```
+
+## License
+
+#### LICENSE:
+```
+DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+
+Version 2, December 2004
+
+Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+Everyone is permitted to copy and distribute verbatim or modified copies of
+this license document, and changing it is allowed as long as the name is changed.
+
+DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+
+TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+   0. You just DO WHAT THE FUCK YOU WANT TO.
+```
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----
-title: ESP32 PlatformIO
-description: ESP32 project setup
-date: 2020-04-23
-tags: ["esp32", "project"]
-categories: ["tutorial"]
-author: hendrik
-draft: true
----
-
-## Install PlatformIO
-
-```
-apt install platformio
-platformio platform update
-```
-
-## Project setup
-
-Choose your development board from the list. You can see all supported boards with the command `platformio boards espressif32`
-
-Now create your new project:
-
-```
-cd ~/Projects/esp32/
-mkdir new_project
-cd new_project
-platformio project init --board esp-wrover-kit
-```
-
-configuration:
-
-platformio.ini:
-```
-[env:esp-wrover-kit]
-platform = espressif32
-board = esp-wrover-kit
-framework = arduino
-monitor_speed = 115200
-```
-
-create the main:
-
-src/main.cpp:
-```
-/**
- * Blink
- *
- * Turns on an LED on for one second,
- * then off for one second, repeatedly.
- */
-#include "Arduino.h"
-
-#ifndef LED_BUILTIN
-#define LED_BUILTIN 13
-#endif
-
-void setup()
-{
-  // initialize LED digital pin as an output.
-  pinMode(LED_BUILTIN, OUTPUT);
-}
-
-void loop()
-{
-  // turn the LED on (HIGH is the voltage level)
-  digitalWrite(LED_BUILTIN, HIGH);
-
-  // wait for a second
-  delay(1000);
-
-  // turn the LED off by making the voltage LOW
-  digitalWrite(LED_BUILTIN, LOW);
-
-   // wait for a second
-  delay(1000);
-}
-```
-
-now compile and upload your program
-
-platformio run
-platformio run --target upload
-platformio device monitor
-
-## Git
-git init