Suppose we had a simple one-battery, one-lamp circuit controlled by a…
What is the purpose of the switch shown in this schematic diagram?
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
What does it mean for an object to have an electric charge? Give an…
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
It is fairly important to use large value resistors (10 MΩ works…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
Shown here is the schematic symbol for a resistor: What is the purpose…
A technician uses a stroboscope to “freeze” the rotation of a…
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
Don’t just sit there! Build something!! Learning to mathematically…
What is the purpose of a seven-segment decoder circuit? What is a…
Don’t just sit there! Build something!! Learning to mathematically…
If we were to express the series-connected DC voltages as phasors…
A special type of relay is one that monitors the current, voltage,…
Suppose we wanted to build a device that could add two binary bits…
A common topology for DC-AC power converter circuits uses a pair of…
Constant rule Rule of sums Rule of differences Product rule Quotient…
While the C-B (common-base) amplifier is known for wider bandwidth…
A serial-in, parallel-out shift register is similar to the serial-in,…
When a PCB designer speaks of dimensions in thous or mils, what does…
In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.
A calculator for solving the maximum current a microstrip can handle.
Whenever electrons flow through a conductor, a magnetic field will…
This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
∫f(x) dx Calculus alert! One of the fundamental principles of…
In very simple, qualitative terms, rate the impedance of capacitors…
SCRs are unidirectional (one-way) current devices, making them useful…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
This calculator computes the power received by an antenna using Friis formula
Capacitors, like all electrical components, have limitations that must…
Ammeters Measure Electrical Current A meter designed to measure…