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TO +v TO COLLECTOR PIN OF TRANSISTOR Figure 10-4: The schematic of a LED/ resistor array. 220 Part III: Let There Be Light ...

Building Alert: Construction Issues ........................................................... The back of the dolphins — where ...

0.1 microfarad ceramic capacitor (C2) Five 2N3053 transistors (Q1, Q2, Q3, Q4, Q5) Breadboard (830 contacts) Six 2-pin termi ...

Six 2" standoffs with 6-32 threads Several feet of black 20 AWG wire Several feet of red 20 AWG wire A four pack of AA batte ...

Making the circuit............................................................................... Time to go one-on-one with you ...

Figure 10-9 identifies the pins of the 2N3053 transistors. You insert each transistor pin into a separate breadboard row, placin ...

Insert wires to connect the ICs, the battery pack terminal block, and the emitter pin of the transistors to the ground bus. The ...

Insert wires to connect the ICs and the terminal blocks to the +V bus, as shown in Figure 10-11. Terminal blocks to +V Pin 16 ...

Insert wires to connect the collector pin of the transistors to the termi- nal blocks, as shown in Figure 10-12. Insert wires t ...

Making dolphins ................................................................................. All the brains of the circuit ...

Use a marking pen to mark where you want to place the LEDs on the plywood to show the outline of the dolphins. We used 38 LEDs ...

Pick a dolphin and start inserting LEDs in the drilled holes. We suggest starting at either end of the plywood sheet so the LED ...

Be sure to heed all the safety precautions about soldering that we pro- vide in Chapter 2. For example, don’t leave your solderi ...

Solder the black wires to the leads, as shown in Figure 10-19. Figure 10-19: A close-up of black wires connecting short leads ...

Connect the long leads on every other LED to short lengths of 20 gauge red wire, as shown in Figures 10-20 and 10-21. Figure 10 ...

Attach Velcro to the battery pack and the plywood so that you can attach the battery pack to the plywood, as shown in Figure 10 ...

Chose a location on the plywood sheet where you will place the breadboard. Attach Velcro to the breadboard and the plywood and ...

Secure the wires with wire clips. Add the protective backing by performing the following steps: a. Drill holes for 6-32 screws ...

There aren’t many steps to getting this project going: Pop the batteries into the battery pack. Flip the switch to On. That’s ...

Chapter 11 Controlling a Go-Kart, Infrared Style In This Chapter
Looking over the go-kart schematic
Laying down the parts list ...