SparkFun will be closed 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: December 1, 2010

Country: United States



Just another Bay Area engineer.


Senior Staff Engineer


Servo Track Writers for Hard Disk Drives

  • If you’re dealing with clear LEDs, you can look inside the device. The cathode has a ‘large’ flat space on the end of it, where the LED semicondoctor is located. The anode ends in a point, and a small wire runs from the anode tip to the center of the LED die on the cathode.