Rabbit Fox LP3500, User Manual, Page: 136 / 143

130 Fox (LP3500)
2. +K must be connected to an external power supply. A 0
Ω
resistor on the Prototyping
Board (R1) ties +K to VIN from the AC adapter and thus satisfies this requirement as
long as the LP3500 is connected to the Prototyping Board.
3. Open
DIGIN.C
with the File menu, compile it using the Compile menu, and then run
it by selecting Run in the Run menu.
4. The following display will appear in the Dynamic C STDIO window.
5. When pressing pushbutton switches S1–S4 on the Prototyping Board you can change
the inputs for IN0–IN3 from a “1” to a “0.”
6. Similarly you can view a change to the inputs for IN0–IN15 from a “1” to a “0” when
you touch a wire connected to ground to IN0–IN15.