SparkFun will be closing early at 3:30 Friday 5/27 and remain closed Monday for Memorial Day (5/30). Orders placed after 2pm MT on Friday (5/27) will process and ship out on Tuesday (5/31).


Member Since: February 1, 2012

Country: United States

  • Any idea what “U4” 3.3V linear supply, 150mA in the schematic is? I am interested in the low battery behavior and LiPo undervoltage protection. Thanks

No public wish lists :(