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These messages (or sounds) are activated when you shake either of the puppet’s hands or press the puppet’s nose. Alas, adding th ...
After these steps, when someone presses either of the puppet’s hands or presses its nose, it plays whatever you programmed in th ...
Resistors R1, R2, and R3limit the current running to ground when you press switches S1, S2, or S3. C2, C3, C4, and C5are capac ...
R6 and R7, C6 and C7 are two resistors and two capacitors, respec- tively, that form a filter (a low passfilter) that eliminate ...
Perusing the Parts List ................................................................................ Your biggest shopping d ...
10 kohm potentiometer (R8) Two 33 kohm resistors (R6 and R7) Five 1 kohm resistors (R1, R2, R3, R4, R5) 10 ohm resistor (R9) ...
We use three AAA batteries in this project to supply 4.5 volts. If we used a four-battery pack as we do in other chapters, the s ...
Taking Things Step by Step......................................................................... If we were wizards like Merl ...
The eight terminal blocks shown in this figure will be used to connect two wires each to various components in the circuit. The ...
1 kohm resistor R1 from IC1 Pin 2 to ground 1 kohm resistor R2 from IC1 Pin 4 to ground 1 kohm resistor R3 from IC1 Pin 7 to gr ...
0.01 microfarad capacitor C6 from R6 to ground 0.01 microfarad capacitor C7 from R7 to ground 10 microfarad capacitor C9 from I ...
Make sure you wear your safety glasses when clipping leads! Solder 12" wires to the solder cups for Pins 3, 5, and 8 of the DB9 ...
Slip a 1" length of heat shrink tubing along each wire until it covers the soldered joints. Then heat the tubing with a hair dr ...
We used a^1 ⁄ 2 " drill bit for the phono jacks and a^5 ⁄ 16 " bit for the poten- tiometer. To secure the speaker, we drilled fo ...
Secure the phono jacks and potentiometer with the nuts provided with each part. The outside of the box is shown in Figure 7-12. ...
Cut the wires from the phono jacks, potentiometer, on/off switch, bat- tery pack, and DB9 connector to a length that allows you ...
Wire from right potentiometer lug Wire from Pin 3 of DB9 connector Wire from Pin 5 of DB9 connector Wire from Pin 8 of DB9 conn ...
Use your multimeter to find two contact pins on the tactile switches that are normally open(infinite resistance between the con ...
Figure 7-17: Solder wires to phono plugs. Figure 7-16: Solder wires to tactile switches. 158 Part II: Sounding Off! ...
Screw the covers of the phono plugs back in place and feed each tac- tile switch to the proper location. We placed one switch i ...
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