Categories

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Optoelectronic Devices

Worksheets - LEDs

In this circuit, the electric motor is supposed to turn on whenever…

Digital Display Circuits

Worksheets - LEDs

What is the purpose of a seven-segment decoder circuit? What is a…

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Series LED Resistor Calculator

Tools

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.

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Design Project: LED Stroboscope

Worksheets - LEDs

A technician uses a stroboscope to “freeze” the rotation of a…

Karnaugh Mapping

Worksheets - LEDs

Identify each of these logic gates by name, and complete their…

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Digital Display Circuits

Worksheets - LEDs

What is the purpose of a seven-segment decoder circuit? What is a…

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

CMOS 555 Long Duration Blue LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

CMOS 555 Long Duration Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Optoelectronic Devices

Worksheets - LEDs

In this circuit, the electric motor is supposed to turn on whenever…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Simple Op-Amp

Textbook

PARTS AND MATERIALS Two 6-volt batteries Four NPN…

Polyphase Power Systems

Worksheets - LEDs

Explain the difference between a balanced polyphase system and an…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

Time-delay Relays

Textbook

What are Time-Delay Relays? Some relays are constructed with a kind of…

Series LED Resistor Calculator

Tools

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.

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Tools

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.

Miscellaneous Diode Applications

Worksheets - LEDs

Don’t just sit there! Build something!! Learning to mathematically…

Factorials

Textbook

Definition of a Factorial Denoted by the symbol “!” after…

Tracking ADC

Textbook

A third variation on the counter-DAC-based converter theme is, in my…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

T-Pad Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.

Peak to Peak Voltage Calculator (VP-P)

Tools

This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.

Insulated Gate Bipolar Transistors

Worksheets - LEDs

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…