diff --git a/raspberrypi_zero/gpio/.info.sh.swp b/raspberrypi_zero/gpio/.info.sh.swp
deleted file mode 100644
index 2d8f6f5..0000000
Binary files a/raspberrypi_zero/gpio/.info.sh.swp and /dev/null differ
diff --git a/raspberrypi_zero/gpio/.tar.bz2 b/raspberrypi_zero/gpio/.tar.bz2
deleted file mode 100644
index 3f6db39..0000000
Binary files a/raspberrypi_zero/gpio/.tar.bz2 and /dev/null differ
diff --git a/raspberrypi_zero/gpio/Makefile b/raspberrypi_zero/gpio/Makefile
new file mode 100644
index 0000000..07b7597
--- /dev/null
+++ b/raspberrypi_zero/gpio/Makefile
@@ -0,0 +1,24 @@
+CC=gcc
+libs=info_infrared.o info_light.o info_pin.o info_sound.o info_ultrasound.o
+
+all: infrared light pin sound ultrasound
+
+infrared: info_infrared.o
+	$(CC) -c info_infrared.c
+	$(CC) info_infrared.o -o info_infrared -lwiringPi
+light: info_light.o
+	$(CC) -c info_light.c
+	$(CC) info_light.o -o info_light -lwiringPi
+pin: info_pin.o
+	$(CC) -c info_pin.c
+	$(CC) info_pin.o -o info_pin -lwiringPi
+sound: info_sound.o
+	$(CC) -c info_sound.c
+	$(CC) info_sound.o -o info_sound -lwiringPi
+ultrasound: info_ultrasound.o
+	$(CC) -c info_ultrasound.c
+	$(CC) info_ultrasound.o -o info_ultrasound -lwiringPi
+
+.PHONY : clean
+clean :
+	rm -f $(libs) info_infrared info_light info_sound info_ultrasound
diff --git a/raspberrypi_zero/gpio/info_infrared.o b/raspberrypi_zero/gpio/info_infrared.o
new file mode 100644
index 0000000..6e016e5
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diff --git a/raspberrypi_zero/gpio/info_light.o b/raspberrypi_zero/gpio/info_light.o
new file mode 100644
index 0000000..eba21b3
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diff --git a/raspberrypi_zero/gpio/info_pin.o b/raspberrypi_zero/gpio/info_pin.o
new file mode 100644
index 0000000..94dcacb
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diff --git a/raspberrypi_zero/gpio/info_sound.o b/raspberrypi_zero/gpio/info_sound.o
new file mode 100644
index 0000000..b4f2be6
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diff --git a/raspberrypi_zero/gpio/info_ultrasound.o b/raspberrypi_zero/gpio/info_ultrasound.o
new file mode 100644
index 0000000..56d099e
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