use MiniCore for ATMega

Firmware/MotorControl/platformio.ini

@@ -10,17 +10,25 @@
 
 [env:motorcontrol]
 platform = atmelavr
-board = uno
 framework = arduino
 
-build_flags = 
+; TARGET SETTINGS
+; PlatformIO requires the board parameter. Must match your actual hardware
+board = ATmega328P
+; Clock frequency in [Hz]
+board_build.f_cpu = 12000000L
+board_hardware.oscillator = external
+; Hardware UART for serial upload
+board_hardware.uart = no_bootloader
+; Brown-out detection
+board_hardware.bod = 1.8v
 
 board_upload.speed = 115200
 
-monitor_speed = 115200
+monitor_speed = 9600
 
 upload_protocol = stk500
 upload_flags =
-    -P/dev/ttyUSB1
+    -PCOM8
 
 lib_deps = Servo