Robotics with the Boe-Bot text v2.2

Page 62 · Robotics with the Boe-Bot
Figure 2-14
Board of Education
with Servos and
Battery Pack
Connected
√ 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.
P12
P13
Vss Vss
LEDLED
470 Ω
470 Ω
P15
P14
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
P13
P12
X2
X3
Vdd
VssVin
+
+
Figure 2-15
LED Servo
Signal
Monitor
Circuit
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).