Robot Building for Beginners, Third Edition
CHAPTER 3 ■ SAFETY Wearing Other Safety Clothes Wear appropriate gloves and long-sleeved clothing to protect yourself against ir ...
CHAPTER 16 ■ TRANSISTOR SWITCHES With a pair of transistor leads at a time, connect each of the leads to the multimeter test pr ...
CHAPTER 3 ■ SAFETY Everyone knows that smoking is bad for you. But, sometimes people forget about the potential for smoking to a ...
CHAPTER 16 ■ TRANSISTOR SWITCHES The transistor lead that is present in both conducting lead combinations is the base lead. Refe ...
CHAPTER 3 ■ SAFETY Lead Lead is being banned from an increasing number of products including electronic components and assembly. ...
CHAPTER 16 ■ TRANSISTOR SWITCHES ■ Note In a schematic, the letter ‘Q’ is used to label transistors because the letter ‘T’ usual ...
CHAPTER 3 ■ SAFETY Don’t purchase or use items containing mercury. Mercuric-oxide, silver-oxide, and even zinc-air batteries con ...
CHAPTER 16 ■ TRANSISTOR SWITCHES With the large resistance of 470 kW, R2 doesn’t allow much current to flow through the base. Th ...
CHAPTER 3 ■ SAFETY Ironically, rather than leading to increased costs, RoHS parts are often slightly less expensive. I don’t kno ...
CHAPTER 16 ■ TRANSISTOR SWITCHES Correcting Problems with the PNP Transistor Test Circuit If the LED doesn’t light, you can temp ...
CHAPTER 3 ■ SAFETY Connecting Through Circuit Breakers and GFCI Outlets Now’s a good time to check your house’s fuse box to see ...
CHAPTER 16 ■ TRANSISTOR SWITCHES Q1’s collector has flipped to the other side of the transistor, but the LED indicator circuit ( ...
CHAPTER 3 ■ SAFETY GFCI (Ground Fault Circuit Interrupter) outlets are often found in bathrooms and kitchens. Unlike circuit bre ...
CHAPTER 16 ■ TRANSISTOR SWITCHES I can’t think of a more concrete example to demonstrate that PNP and NPN transistors are genera ...
CHAPTER 3 ■ SAFETY Saving the Ground Prong Never cut off the third prong from a power cord (see Figure 3-9). The grounding prong ...
CHAPTER 16 ■ TRANSISTOR SWITCHES Calculating Current-Limiting Transistors R17 and R18 are current-limiting resistors. They prote ...
CHAPTER 3 ■ SAFETY Rooms with just a few two-prong outlets are becoming a thing of the past. Not only did such conditions become ...
CHAPTER 16 ■ TRANSISTOR SWITCHES ■ Note There are a number of potential outcomes when a circuit design exceeds the minimum and m ...
CHAPTER 3 ■ SAFETY Whenever possible, purchase fluorescent lights (see Figure 3-10) or LED bulbs. Not only are they energy effic ...
CHAPTER 16 ■ TRANSISTOR SWITCHES Because the gain varies from transistor to transistor (even within a batch), it isn’t reliable ...
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