I have been new to raspberry pi world and was trying to get my rainbow hat being set up. I have followed all tutorials and installed all the necessary things I had suppose to do.
However when was trying to run any python file from official Pimoroni Python library file, this error persist.
self._device.write_i2c_block_data(self._i2c_addr, HT16K33_SYSTEM_SETUP | HT16K33_OSCILLATOR, )
OSError: [Errno 121] Remote I/O error
Anybody being able to help me out with this.? Thank you!