imu conversion to temperature

[rjsdotorg]

On imu.py line 184:
return bytes_toint(self.buf2[0], self.buf2[1]) / 340 + 35 # I think
Whereas MPU-6000 and MPU-6050 Register Map and Descriptions Revision 4.2 shows:

Temperature in degrees C = (TEMP_OUT Register Value as a signed quantity)/340 + 36.53

[peterhinch]

Thank you. Now corrected.