Sparkfun Electronics AD8232 Hook-Up Manual page 8

Connecting Headers to the Board
You can use any method you'd like to make your connections to the board. For this example, we'll
solder on a five-pin length of male-male header strip and use a breadboard and jumpers to make
our connections.
Headers installed
Follow the diagram below, to make necessary connections. The SDN pin is not used in this demo.
Connecting this pin to ground or "LOW" on a digital pin will power down the chip. This is useful for
low power applications.
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