Robot Building for Beginners, Third Edition
CHAPTER 16 ■ TRANSISTOR SWITCHES Pushing the 2907A’s Button You can connect most transistors to act as electronically controlled ...
CHAPTER 26 ■ SMOOTHER, SMALLER, CHEAPER Size is not the only benefit of surface-mount parts. Because these parts are used in hig ...
CHAPTER 16 ■ TRANSISTOR SWITCHES Testing with a Multimeter that Has a Transistor Socket When using a meter with a transistor tes ...
CHAPTER 26 ■ SMOOTHER, SMALLER, CHEAPER Despite being transistors, most phototransistors are not externally connected to the bas ...
CHAPTER 16 ■ TRANSISTOR SWITCHES When looking at a datasheet, pay attention to the rounded and the flat sides of the transistor’ ...
CHAPTER 26 ■ SMOOTHER, SMALLER, CHEAPER Automatically Detecting Line Type The original Sandwich includes a physical toggle switc ...
CHAPTER 16 ■ TRANSISTOR SWITCHES Testing a Transistor When You Don’t Have the Datasheet If you don’t have access to a transistor ...
CHAPTER 26 ■ SMOOTHER, SMALLER, CHEAPER Saving Money The cost difference in the motors is overwhelming. The original motors are ...
CHAPTER 16 ■ TRANSISTOR SWITCHES With a pair of transistor leads at a time, connect each of the leads to the multimeter test pr ...
CHAPTER 26 ■ SMOOTHER, SMALLER, CHEAPER Spending Money There were a couple of parts that increased the cost of the robot. The mi ...
CHAPTER 16 ■ TRANSISTOR SWITCHES The transistor lead that is present in both conducting lead combinations is the base lead. Refe ...
CHAPTER 27 Encore You’ve gained an understanding of the items and methods needed to get a good start at robot building. You’ve r ...
CHAPTER 16 ■ TRANSISTOR SWITCHES ■ Note In a schematic, the letter ‘Q’ is used to label transistors because the letter ‘T’ usual ...
CHAPTER 27 ■ ENCORE Like a six-pack of beer, simpler logic chips contain multiple copies of the same function in a single packag ...
CHAPTER 16 ■ TRANSISTOR SWITCHES With the large resistance of 470 kW, R2 doesn’t allow much current to flow through the base. Th ...
CHAPTER 27 ■ ENCORE Microcontroller Costs Microcontrollers are relatively inexpensive, most cost between $1 and $15 each in sing ...
CHAPTER 16 ■ TRANSISTOR SWITCHES Correcting Problems with the PNP Transistor Test Circuit If the LED doesn’t light, you can temp ...
CHAPTER 27 ■ ENCORE Voltage Regulator Packages Like other parts, voltage regulators come in a variety of packages (see Figure 27 ...
CHAPTER 16 ■ TRANSISTOR SWITCHES Q1’s collector has flipped to the other side of the transistor, but the LED indicator circuit ( ...
CHAPTER 27 ■ ENCORE Selection Criteria When selecting a voltage regulator, look for your desired final output voltage, the minim ...
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