Learn how design parameters impact system performance.
Explore the theory of operation behind 3D time of flight sensors.
PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…
In this circuit, the electric motor is supposed to turn on whenever…
PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
What is the purpose of a seven-segment decoder circuit? What is a…
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
Before the advent of solid-state logic circuits, logical control…
PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Identify each of these logic gates by name, and complete their…
A technician uses a stroboscope to “freeze” the rotation of a…
In addition to performing tasks of amplification and switching, tubes…
The Bel is Used to Represent Gain In its simplest form, an…
The 555 integrated circuit is the most popular chip ever…
Though it may seem strange to cover the elementary topic of electrical…
A peak detector is a series connection of a diode and a…
Don’t just sit there! Build something!! Learning to mathematically…
Explain the operation of this “H-bridge” motor control circuit: At…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Ampacities of copper wire, in free air at 30o C:…
Electromechanical relays used to start and stop high-power electric…
We know that the current in a series circuit may be calculated with…
A similar effect happens in series inductive/capacitive circuits.…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
How is it possible to assign a fixed value of voltage or current (such…
Feedback is a fascinating engineering principle. It can turn a rather…
Often in the course of designing and building electrical meter…
What would happen to this meter movement, if connected directly to a…
Things start to get complicated when we need to relate two or more AC…
