i2c not working properly unless I import wifi and set a small delay while initializing the i2c variable (See Video)

[eddieespinal]

Firmware

Adafruit CircuitPython 6.2.0-beta.1-dirty on 2021-03-22;

Code/REPL

import time
import board
import busio
import wifi # without this import, i2c won't work
import adafruit_mpu6050

i2c = busio.I2C(board.SCL, board.SDA)
time.sleep(1) # without this delay, i2c won't work
mpu = adafruit_mpu6050.MPU6050(i2c, address=0x69)

while True:
    print("Acceleration: X:%.2f, Y: %.2f, Z: %.2f m/s^2" % (mpu.acceleration))
    print("Gyro X:%.2f, Y: %.2f, Z: %.2f degrees/s" % (mpu.gyro))
    print("Temperature: %.2f C" % mpu.temperature)
    print("")
    time.sleep(1)

Behavior

code.py output:
Traceback (most recent call last):
  File "code.py", line 9, in <module>
  File "adafruit_mpu6050.py", line 144, in __init__
ValueError: No I2C device at address: 69

Description

• Error while using i2c with any i2c devices or sensors.
• Only happens when I don't include the import wifi and set a delay while initializing the i2c variable.

I tried using other i2c devices such as 128x64 display, same error same solution to make it work.

Additional Info

Here is a video that shows what I'm describing here.

Adding the import wifi and time.sleep(1) solves the issue.

[dhalbert]

Please try 6.2.0-beta.4. We added, #4387, which may well fix this problem. That PR was mistakenly omitted from the release notes for beta.4 -- I will fix that.

[eddieespinal]

Thank you @dhalbert! - I will update it now and test this again.

[eddieespinal]

Hi @dhalbert, I just updated to beta.4 and the issue is now fixed!. Thank you again for your hard work and for replying so fast. This ticket can be closed.

[dhalbert]

Glad it works for you as well!