specify BOARD_TAG before including arduino makefile
-rw-r--r-- 2814 .gitmodules
drwxr-xr-x - AD9850
drwxr-xr-x - DHT11_DS18B20_temperature
drwxr-xr-x - Desk_LED_dimmer
drwxr-xr-x - HUB12_cascaded
drwxr-xr-x - HUB12_simple
drwxr-xr-x - HX711
drwxr-xr-x - Hub08_LedMatrix
drwxr-xr-x - I2CScanner
drwxr-xr-x - Joystick_Shield
drwxr-xr-x - LCD_Keypad_Shield
drwxr-xr-x - LED_Cube_75HC595
drwxr-xr-x - MAX7129_8x8_LED
drwxr-xr-x - RF433_Sockets
drwxr-xr-x - StepperSerialTest
drwxr-xr-x - TFT01-2.2SP
drwxr-xr-x - arduino_ebus
drwxr-xr-x - hardware
drwxr-xr-x - libraries
drwxr-xr-x - light_sockets
drwxr-xr-x - outdoor_temperature_sensor
drwxr-xr-x - rpi_promini
drwxr-xr-x - upstream
drwxr-xr-x - wlan_si