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@@ -82,7 +82,7 @@ over the entire range of 0 through 3.3 V; otherwise, only a fraction
of the sensitivity is being used. Some basic tools to accomplish this
are `resistor dividers
<http://en.wikipedia.org/wiki/Voltage_divider>`_ and `Zener diodes
-<http://en.wikipedia.org/wiki/Voltage_source#Zener_voltage_source>`_\
+<http://en.wikipedia.org/wiki/Zener_diode>`_\
. However, `operational amplifiers
<http://en.wikipedia.org/wiki/Operational_amplifier>`_ and other
powered components can also be used if greater precision is required.