×

It is that time again! SparkFun Electronics will be closed Friday, January 13th for our annual inventory day. Please keep in mind that any orders placed after 2PM (Mountain Time) on Thursday, January 12th will not ship or be prepared for local pickup until we open for normal operations on Monday, January 16th. In addition, tours will resume on Friday, January 20th. Thank you for your patience!

avatar

Rantanen

Member Since: November 19, 2013

Country: Finland

  • The 1kohm pull-ups installed on this breakout are quite strong. I’m running this through the PCA9306 level translator which already has 1kohm pull-ups for the 3.3V lines and given there is an MPU-6050 on the same I2C bus the combined pull-up (1kohm + 1kohm + 10kohm parallel) seems to be too high for the MPU-6050 which refuses to work when this breakout is attached to the bus..

    I’m guessing I could just go ahead and unsolder the pull-up resistors on this one to reduce the overall pull-up of the SDA/SCL lines?

    Interestingly the HMC5883L has no resistors installed at all, instead relying on external pull-ups often provided by the master. The pull-up policy seems to be a bit chaotic when it comes to these breakouts. :)

No public wish lists :(