28125 Parallax Inc, 28125 Datasheet - Page 182

• Manufacturer Part Number: 28125
• Description: TEXT ROBOTICS
• Manufacturer: Parallax Inc

Specifications of 28125

• Title: Robotics with the Boe-Bot
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Not applicable / Not applicable

The next step is add the whiskers circuit shown in Figure 5-4 to the piezospeaker and
servo circuits you built and tested in Chapter 2 and Chapter 3.
√
√
√
If you have a Board of Education, build the whiskers circuit shown in Figure 5-4
using the wiring diagram in Figure 5-5 on page 169 as a reference.
If you have a HomeWork Board, build the whiskers circuit shown in Figure 5-4
using the wiring diagram in Figure 5-6 on page 170 as a reference.
Make sure to adjust each whisker so that it is close to, but not touching, the 3-pin
header on the breadboard. A distance of about
starting point.
P7
P5
220
220
Ω
Ω
Vdd
Vss
10
Right
Whisker
kΩ
Vdd
Vss
10
Left
Whisker
1
/
kΩ
8
″ (3 mm) is a recommended
Figure 5-4
Whiskers
Schematic