Hi,
When I try upload the code Freenove_4WD_Car_Kit\Sketches\05.5_One_Code_Multifunctional_RF24_Remote_Car I get the error: /home/builder/opt/arduino-builder/arduino-builder -compile -core-api-version 10611 -hardware /home/builder/opt/arduino-builder/hardware -hardware /home/builder/.arduino15/packages -tools /home/builder/opt/arduino-builder/tools -tools /home/builder/.arduino15/packages -built-in-libraries /home/builder/opt/libraries/latest -logger humantags -fqbn arduino:avr:uno -build-cache /tmp -build-path /tmp/225977395/build -verbose -prefs runtime.tools.arduinoOTA.path=/home/builder/.arduino15/packages/arduino/tools/arduinoOTA/1.3.0 -prefs runtime.tools.avr-gcc.path=/home/builder/.arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5 -prefs runtime.tools.avrdude.path=/home/builder/.arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17 -prefs runtime.tools.arc-elf32.path=/home/builder/.arduino15/packages/Intel/tools/arc-elf32/1.6.9+1.0.1 -prefs runtime.tools.xtensa-lx106-elf-gcc.path=/home/builder/.arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9 -prefs runtime.tools.i586-poky-linux-uclibc.path=/home/builder/.arduino15/packages/Intel/tools/i586-poky-linux-uclibc/1.6.2+1.0 -prefs runtime.tools.openocd.path=/home/builder/.arduino15/packages/arduino/tools/openocd/0.10.0-arduino9 -prefs runtime.tools.nrf5x-cl-tools.path=/home/builder/.arduino15/packages/arduino/tools/nrf5x-cl-tools/9.3.1 -prefs runtime.tools.CMSIS-Atmel.path=/home/builder/.arduino15/packages/arduino/tools/CMSIS-Atmel/1.2.0 -prefs runtime.tools.linuxuploader.path=/home/builder/.arduino15/packages/arduino/tools/linuxuploader/1.5.1 -prefs runtime.tools.x86-linux-gcc.path=/home/builder/.arduino15/packages/arduino/tools/x86-linux-gcc/7.2.0 -prefs runtime.tools.CMSIS.path=/home/builder/.arduino15/packages/arduino/tools/CMSIS/4.5.0 -prefs runtime.tools.flashpack.path=/home/builder/.arduino15/packages/Intel/tools/flashpack/2.0.0 -prefs runtime.tools.sketchUploader.path=/home/builder/.arduino15/packages/Intel/tools/sketchUploader/1.6.2+1.0 -prefs runtime.tools.mkspiffs.path=/home/builder/.arduino15/packages/esp8266/tools/mkspiffs/2.5.0-3-20ed2b9 -prefs runtime.tools.dfu-util.path=/home/builder/.arduino15/packages/arduino/tools/dfu-util/0.9.0-arduino2 -prefs runtime.tools.arm-none-eabi-gcc.path=/home/builder/.arduino15/packages/arduino/tools/arm-none-eabi-gcc/7-2017q4 -prefs runtime.tools.arm-linux-gcc.path=/home/builder/.arduino15/packages/arduino/tools/arm-linux-gcc/4.9.3 -prefs runtime.tools.bossac.path=/home/builder/.arduino15/packages/industruino/tools/bossac/1.7.0-industruino -prefs runtime.tools.arduino101load.path=/home/builder/.arduino15/packages/Intel/tools/arduino101load/2.0.1 -prefs runtime.tools.core2-32-poky-linux.path=/home/builder/.arduino15/packages/Intel/tools/core2-32-poky-linux/1.6.2+1.0 -prefs runtime.tools.esptool.path=/home/builder/.arduino15/packages/esp8266/tools/esptool/2.5.0-3-20ed2b9 -libraries /tmp/225977395/custom -libraries /tmp/225977395/pinned /tmp/225977395/05.4_Multifunctional_RF24_Remote_Car
Multiple libraries were found for "EEPROM.h"
Used: /home/builder/.arduino15/packages/arduino/hardware/avr/1.8.2/libraries/EEPROM
Not used: /home/builder/opt/libraries/latest/hello_drum_0_7_7
Not used: /home/builder/opt/libraries/latest/arduino_nvm_0_9_1
Multiple libraries were found for "Servo.h"
Used: /home/builder/opt/libraries/latest/servo_1_1_7
Not used: /home/builder/opt/libraries/latest/servoesp32_1_0_3
Not used: /home/builder/opt/libraries/latest/rokitsmart_1_0_9
Not used: /home/builder/opt/libraries/latest/printoo_library_1_0_2
Not used: /home/builder/opt/libraries/latest/evive_2_0_3
Multiple libraries were found for "RF24.h"
Used: /tmp/225977395/custom/RF24
Not used: /home/builder/opt/libraries/latest/rf24_1_3_11
Using library SPI at version 1.0 in folder: /home/builder/.arduino15/packages/arduino/hardware/avr/1.8.2/libraries/SPI
Using library ukit_explore_1_2_15 at version 1.2.15 in folder: /home/builder/opt/libraries/latest/ukit_explore_1_2_15
In file included from /tmp/225977395/build/sketch/Automatic_Obstacle_Avoidance_Mode.cpp:5:0:
/tmp/225977395/build/sketch/Automatic_Obstacle_Avoidance_Mode.h:7:10: fatal error: arduino.h: No such file or directory
#include "arduino.h"
^~~~~~~~~~~
compilation terminated.
exit status 1
I use the online editor.
The kit I have is this one: https://www.amazon.ca/Freenove-Compatible-Avoidance-Ultrasonic-Bluetooth/dp/B07YBPTXHG
I use an arduino uno board.