fix links

i2c/hall-encoder-wj.png

i2c/hall-encoder.c

i2c/hall-encoder.ko

i2c/hall-encoder.make

i2c/instron-timeseries.png

i2c/load.py

i2c/loadcell-reading-v-force.png

i2c/loadcell-timeseries.png

i2c/serial.h

i2c/testing.jpg

interrupt/.gitkeep

interrupt/AVR1313_interrupt_app_note.pdf

interrupt/interrupt-8e5-interior.png

interrupt/interrupt-8e5-layout.png

interrupt/interrupt-8e5-traces.png

interrupt/interrupt.8e5.c

interrupt/interrupt.8e5.make

qdec/hello.16a4u.qdec.c

qdec/hello.16a4u.qdec.make

qdec/qdec.mp4