first commit

platformio.ini

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+; 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
+
+[env:attiny85]
+platform = atmelavr
+board = attiny85
+framework = arduino
+; change MCU frequency
+;board_build.f_cpu = 1000000L
+build_unflags = -DCLOCK_SOURCE=6
+build_flags = -DCLOCK_SOURCE=0
+
+lib_deps =
+  # RECOMMENDED
+  # Accept new functionality in a backwards compatible manner and patches
+  adafruit/Adafruit NeoPixel @ ^1.10.5
+upload_protocol = stk500v1
+; each flag in a new line
+upload_flags =
+    -P$UPLOAD_PORT
+    -b$UPLOAD_SPEED
+
+; edit these lines
+upload_port = COM3
+upload_speed = 19200