Line 37, line 17 error about freenove_ultimate_starter_kit_for_raspberry_pi HOT 6 CLOSED

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Late here but I moved the 3.3v wire to ground and then i could run the python code

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Thanks gmbrill I was scratching my head on this one. seems to be an error in the code for .C maybe Python as well. Your ground switch does make it work in Python but not C.
I get the following error in C when setting it up. I am a Noob.
pi@raspberrypi:~/FreenoveKit/Code/C_Code/03.1.1_LightWater $ gcc LightWater.c -o LightWater-lwiringPi
/tmp/ccQB3kyn.o: In function led_on': LightWater.c:(.text+0x18): undefined reference to digitalWrite'
/tmp/ccQB3kyn.o: In function led_off': LightWater.c:(.text+0x40): undefined reference to digitalWrite'
/tmp/ccQB3kyn.o: In function main': LightWater.c:(.text+0x64): undefined reference to wiringPiSetup'
LightWater.c:(.text+0xa4): undefined reference to pinMode' LightWater.c:(.text+0xe4): undefined reference to delay'
LightWater.c:(.text+0x138): undefined reference to `delay'
collect2: error: ld returned 1 exit status

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Hi,

1. Have you installed the wiringPi library?
2. Your compilation command is missing a space between "LightWater" and "-lwiringPi". It should be like this: gcc LightWater.c -o LightWater -lwiringPi

Thanks.

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Thank you Suhay, it works now that I put the space between "LightWater" and "-lwiringPi". Freenove is so awesome! The projects are a great introduction to coding.

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