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Page 62 · Robotics with the Boe-Bot
√
If you removed the LED circuits after Activity #2, make sure to rebuild them as
shown in Figure 2-15. They will be your servo signal monitoring circuits.
P13
P12
470
Ω
Vss
Disconnecting Power – Special Instructions for the Board of Education Rev C
Never leave the power connected to your system when you are not working on it.
√
To disconnect power from your Board of Education Rev C, move the 3-position
switch to position-0.
√
Move on to page 66 (Activity #4: Centering the Servos).
X3
P15
P14
P13
Ω
470
P12
P11
P10
P9
P8
P7
LED
LED
P6
P5
Vss
P4
P3
P2
P1
P0
X2
Figure 2-14
Board of Education
with Servos and
Battery Pack
Connected
Vdd
Vin
Vss
+
+
Figure 2-15
LED Servo
Signal
Monitor
Circuit
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