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Blue wire from left sensor Green wire from left sensor Orange wire from left sensor White wire from right sensor Blue wire from ...

Place black electrician’s tape on a reflective floor (hardwood or linoleum, for example). You don’t have to create a straight l ...

When you’re ready to take Sam further, try these suggestions: Build a Sensitive Samantha using a different radio frequency modu ...

Chapter 14 Couch Pet-ato In This Chapter
Looking over the schematic
Laying down the parts list
Breadboarding the Couch Pet-at ...

The Big Picture: Project Overview............................................................. When you complete this project, y ...

Here’s the rundown of the schematic elements: The sensor— one of the key components of this circuit — is used to detect Fluffy ...

R3is a resistor that connects the microphone to the +V, supplying the 4.5 volts that the microphone needs to function. C3is a ...

Signal Systems 3004 tilt/motion sensor Many vibration (also called tiltor motion) sensors are available; we used cost and pin t ...

Taking Things Step by Step......................................................................... Creating your Couch Pet-ato ...

Insert wires to connect each component and terminal to the ground bus and insert a wire between the two ground buses to connect ...

Insert wires to connect each component and terminal to the +V bus and insert a wire between the two +V buses to connect them, a ...

Insert discrete components and the tilt sensor in the breadboard, as shown in Figure 14-8. IC pin 27 to terminal block for rec ...

Drill holes in the Couch Pet-ato box for inserting the switches, micro- phone, and speaker. Figure 14-9 shows holes drilled in ...

Attach the speaker, switches, and microphone to the box, as shown in Figure 14-10. We used^5 ⁄ 8 " 6-32 screws and nuts to att ...

Connect 6" wires (any color will work just fine) to the speaker and the record switch and solder them, as shown in Figure 14-11 ...

Connect the black wire from the battery pack snap and another 6" black wire to the on/off switch and solder them together, as s ...

Don’t get sloppy now! Heed all the safety precautions about soldering that we provide in Chapter 2. For example, don’t leave you ...

Attach the wires from the battery pack snap connector, on/off switch, record switch, microphone, and speaker to the terminal bl ...

Close and latch the lid. That’s it! The completed box is shown in Figure 14-15. Red wire from battery pack Wires from speaker ...

Trying It Out.................................................................................................. Okay, it’s time ...