Useful tips for everyday
How do you pass the FCC? Obtaining FCC certification is straightforward if you are careful and take it step by step. Step 1: Select Radio…
How many devices can be connected in a single USB topology? 127 devices A USB host can support up to 127 devices in a “tiered…
How do you get a square wave from a sine wave? A square wave can be created by adding the sum of the odd harmonics…
What is N well resistor? These resistors are N+ and P+ (used for source/drain of NMOS and PMOS, respectively), N-well (used for the substrate to…
Can sunlight erase EPROM? Once programmed, an EPROM can be erased by exposing it to strong ultraviolet light source (such as from a mercury-vapor lamp).…
What is the lifespan of a DC motor? As an estimate, 7,500 hours brush life is normal for general purpose, medium horsepower DC motors with…
What is the pitch on a breadboard? 0.1 inches The number of tie points is often given in the specification of the breadboard. The spacing…
How can you tell the difference between a serial cable and a null modem? The pinout of the serial connectors on both sides of the…
What is a USB serial chip? The serial driver chip is what is actually communicating and providing the power signals for your device connected to…
How does the amplification work? An amplifier takes an input signal from a source, such as a laptop, turntable or CD player, and creates a…