def __init__(self,
i2c_address: int = TC74_I2C_ADDRESS,
temp_offset_c: float = -5):
i2c = board.I2C()
sensor = adafruit_tc74.TC74(i2c, address=i2c_address)
super().__init__(sensor, temp_offset_c=temp_offset_c)
if sensor.shutdown:
sensor.shutdown = False
if sensor.shutdown:
logging.warning("Unable to set TC74 shutdown bit to False")
else:
logging.info("Successfully set TC74 shutdown bit to False")
else:
logging.info("TC74 sensor is in normal (non-shutdown) mode")
import time
import board
import busio
import adafruit_tc74
i2c = busio.I2C(board.SCL, board.SDA)
tc = adafruit_tc74.TC74(i2c)
while True:
print(f"Temperature: {tc.temperature} C")
time.sleep(0.5)
Note: This adafruit_pct2075 library might not calculate the temperature
correctly since the PCT2075 seems to have an accuracy of less than 1 degree
Celsius whereas the TC74 only returns whole (integer) degrees Celsius.
"""
import time
import board
import busio
import adafruit_tc74
TC74_TO_220_I2C_ADDRESS = 0x48
i2c = busio.I2C(board.SCL, board.SDA)
tc74 = adafruit_tc74.TC74(i2c, address=TC74_TO_220_I2C_ADDRESS)
def main():
if tc74.shutdown:
tc74.shutdown = False
if tc74.shutdown != False:
print("Unable to set shutdown bit to False")
else:
print("Successfully set shutdown bit to False")
else:
print("Sensor is in normal (non-shutdown) mode")
while True:
print(f"Data ready: {tc74.data_ready}")
print(f" raw temp: {tc74._temperature:08b}")
print(f"Temperature: {tc74.temperature:.1f}")