It works fine when I run it for the first time but once I run my LCD code then I run my MLX90614 code, it gives an output -273 after restart it will work fine(using 2 different codes for mlx90614 and LCD).
import smbus
class MLX90614():
MLX90614_RAWIR1=0x04
MLX90614_RAWIR2=0x05
MLX90614_TA=0x06
MLX90614_TOBJ1=0x07
MLX90614_TOBJ2=0x08
MLX90614_TOMAX=0x20
MLX90614_TOMIN=0x21
MLX90614_PWMCTRL=0x22
MLX90614_TARANGE=0x23
MLX90614_EMISS=0x24
MLX90614_CONFIG=0x25
MLX90614_ADDR=0x0E
MLX90614_ID1=0x3C
MLX90614_ID2=0x3D
MLX90614_ID3=0x3E
MLX90614_ID4=0x3F
def __init__(self, address=0x5a, bus_num=1):
self.bus_num = bus_num
self.address = address
self.bus = smbus.SMBus(bus=bus_num)
def read_reg(self, reg_addr):
return self.bus.read_word_data(self.address, reg_addr)
def data_to_temp(self, data):
temp = (data*0.02) - 273.15
return temp
def get_amb_temp(self):
data = self.read_reg(self.MLX90614_TA)
return self.data_to_temp(data)
def get_obj_temp(self):
data = self.read_reg(self.MLX90614_TOBJ1)
return self.data_to_temp(data)
if __name__ == "__main__":
sensor = MLX90614()
print(sensor.get_obj_temp())