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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 #514897

Member Since: January 29, 2014

Country: United States

  • I want something similar to this for an alarm, to put it under a mattress in order to check if the person woke up. 1) will it support the weight of the mattress and the person? 2) is it too big that it can be felt by the person sleeping?

    thanks in advance

No public wish lists :(