Arduino:1.8.3 (Windows 10), Tarjeta:"Arduino/Genuino Uno"

D:\Arduino\arduino-1.8.3-windows\arduino-builder -dump-prefs -logger=machine -hardware D:\Arduino\arduino-1.8.3-windows\hardware -tools D:\Arduino\arduino-1.8.3-windows\tools-builder -tools D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr -built-in-libraries D:\Arduino\arduino-1.8.3-windows\libraries -libraries D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries -fqbn=arduino:avr:uno -ide-version=10803 -build-path C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307 -warnings=all -build-cache C:\Users\Alberto\AppData\Local\Temp\arduino_cache_471054 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avrdude.path=D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr -verbose D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\Ejercicio43-mySqlAlberto1\Ejercicio43-mySqlAlberto1.ino
D:\Arduino\arduino-1.8.3-windows\arduino-builder -compile -logger=machine -hardware D:\Arduino\arduino-1.8.3-windows\hardware -tools D:\Arduino\arduino-1.8.3-windows\tools-builder -tools D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr -built-in-libraries D:\Arduino\arduino-1.8.3-windows\libraries -libraries D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries -fqbn=arduino:avr:uno -ide-version=10803 -build-path C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307 -warnings=all -build-cache C:\Users\Alberto\AppData\Local\Temp\arduino_cache_471054 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avrdude.path=D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr -verbose D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\Ejercicio43-mySqlAlberto1\Ejercicio43-mySqlAlberto1.ino
Using board 'uno' from platform in folder: D:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr
Using core 'arduino' from platform in folder: D:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr
Detecting libraries used...
"D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics  -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10803 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR   "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\cores\arduino" "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\variants\standard" "C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307\sketch\Ejercicio43-mySqlAlberto1.ino.cpp" -o "nul"
"D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics  -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10803 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR   "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\cores\arduino" "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\variants\standard" "-ID:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src" "C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307\sketch\Ejercicio43-mySqlAlberto1.ino.cpp" -o "nul"
"D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics  -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10803 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR   "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\cores\arduino" "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\variants\standard" "-ID:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src" "-ID:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino\src" "C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307\sketch\Ejercicio43-mySqlAlberto1.ino.cpp" -o "nul"
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src\Dhcp.cpp
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src\Dns.cpp
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src\Ethernet.cpp
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src\EthernetClient.cpp
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src\EthernetServer.cpp
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src\EthernetUdp.cpp
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src\utility\socket.cpp
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src\utility\w5100.cpp
Using cached library dependencies for file: D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino\src\MySQL_Connection.cpp
Using cached library dependencies for file: D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino\src\MySQL_Cursor.cpp
Using cached library dependencies for file: D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino\src\MySQL_Encrypt_Sha1.cpp
Using cached library dependencies for file: D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino\src\MySQL_Packet.cpp
Using cached library dependencies for file: D:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\libraries\SPI\src\SPI.cpp
Generating function prototypes...
"D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics  -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10803 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR   "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\cores\arduino" "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\variants\standard" "-ID:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src" "-ID:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino\src" "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\libraries\SPI\src" "C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307\sketch\Ejercicio43-mySqlAlberto1.ino.cpp" -o "C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307\preproc\ctags_target_for_gcc_minus_e.cpp"
"D:\Arduino\arduino-1.8.3-windows\tools-builder\ctags\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307\preproc\ctags_target_for_gcc_minus_e.cpp"
Compilando programa...
"D:\Arduino\arduino-1.8.3-windows\hardware\tools\avr/bin/avr-g++" -c -g -Os -Wall -Wextra -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10803 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR   "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\cores\arduino" "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\variants\standard" "-ID:\Arduino\arduino-1.8.3-windows\libraries\Ethernet\src" "-ID:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino\src" "-ID:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\libraries\SPI\src" "C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307\sketch\Ejercicio43-mySqlAlberto1.ino.cpp" -o "C:\Users\Alberto\AppData\Local\Temp\arduino_build_156307\sketch\Ejercicio43-mySqlAlberto1.ino.cpp.o"
D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\Ejercicio43-mySqlAlberto1\Ejercicio43-mySqlAlberto1.ino:13:21: warning: character constant too long for its type

 const char tarNum = '9947236';

                     ^

D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\Ejercicio43-mySqlAlberto1\Ejercicio43-mySqlAlberto1.ino:13:21: warning: overflow in implicit constant conversion [-Woverflow]

Ejercicio43-mySqlAlberto1:14: error: conflicting declaration 'char tarNum'

 char query[] = "SELECT expTarEstado FROM expoTech.expTarjetas where expTarNumero = %ld", tarNum;

                                                                                          ^

D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\Ejercicio43-mySqlAlberto1\Ejercicio43-mySqlAlberto1.ino:13:12: note: previous declaration as 'const char tarNum'

 const char tarNum = '9947236';

            ^

D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\Ejercicio43-mySqlAlberto1\Ejercicio43-mySqlAlberto1.ino: In function 'void loop()':

D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\Ejercicio43-mySqlAlberto1\Ejercicio43-mySqlAlberto1.ino:38:8: warning: unused variable 'head_count' [-Wunused-variable]

   long head_count = 0;

        ^

D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\Ejercicio43-mySqlAlberto1\Ejercicio43-mySqlAlberto1.ino:48:17: warning: unused variable 'columns' [-Wunused-variable]

   column_names *columns = cur_mem->get_columns();

                 ^

Se encontraron múltiples librerías para "MySQL_Connection.h"
Usado: D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino
 No usado: D:\Arduino\arduino-1.8.3-windows\libraries\MySQL_Connector_Arduino-master
 No usado: D:\Arduino\arduino-1.8.3-windows\libraries\MySQL_Connector_Arduino-master
 No usado: D:\Arduino\arduino-1.8.3-windows\libraries\MySQL_Connector_Arduino-master
 No usado: D:\Arduino\arduino-1.8.3-windows\libraries\MySQL_Connector_Arduino-master
Usando librería Ethernet con versión 1.1.2 en la carpeta: D:\Arduino\arduino-1.8.3-windows\libraries\Ethernet 
Usando librería MySQL_Connector_Arduino con versión 1.1.1 en la carpeta: D:\Arduino\aprendiendoarduino-Curso_Arduino_2017-master\libraries\MySQL_Connector_Arduino 
Usando librería SPI con versión 1.0 en la carpeta: D:\Arduino\arduino-1.8.3-windows\hardware\arduino\avr\libraries\SPI 
exit status 1
conflicting declaration 'char tarNum'