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Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 22:41, 20 July 2011
, 22:41, 20 July 2011→Using the LDR to measure your pulse
===Using the LDR to measure your pulse===
===Using the LDR to measure your pulse===
Each heartbeat temporarily increases the amount of blood in your fingertip. Cover the LDR with your fingertip and hold near a bright light. You can see your pulse as a variation in the measured resistance.
==Photovoltaic panel==
==Photovoltaic panel==