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.
Textbook
A microcontroller is a specialized type of digital computer used to…
Worksheets - Processors
Serial-in, serial-out shift registers delay data by one clock time for…
Textbook
A serial-in, parallel-out shift register is similar to the serial-in,…
Textbook
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.
Textbook
Another variation on a theme of bistable multivibrators is the J-K…
Textbook
Although many textbooks provide good introductions to digital memory…
Textbook
Perhaps the most ingenious technique was that of the delay line. A…
Textbook
The wires between the tank and the monitoring location is called…
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Processors
Solid-state switching circuits usually keep their constituent…
Worksheets - Processors
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Processors
If the output of a shift register is fed back to the input. a ring…
Textbook
Parallel-in/ serial-out shift registers do everything that the…
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Processors
Counting practice: count from zero to thirty-one in binary, octal, and…
Worksheets - Processors
The circuit shown here is a four-bit analog-to-digital converter…
Worksheets - Processors
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
Tools
Up to now, every circuit that was presented was a combinatorial…
Textbook
A rheostat (variable resistor) and a switch are both examples of…
Worksheets - Processors
Knowing how to generate Gray code should allow us to build larger…
Textbook
In mathematics, an identity is a statement true for all possible…
Textbook
Counting practice: count from zero to thirty-one in binary, octal, and…
Worksheets - Processors
Let’s begin with a semiconductor gate circuit in need of…
Textbook
Read-only memory (ROM) is similar in design to static or dynamic RAM…
Textbook
With simple gate and combinational logic circuits, there is a definite…
Textbook
The Rules of Binary Addition Adding binary numbers is a very simple…
Textbook
The interlock contacts installed in the previous section’s motor…
Textbook
Using an electrical meter safely and efficiently is perhaps the most…
Textbook
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
Textbook
Identify each of these logic gates by name, and complete their…
Worksheets - Processors
Who Developed the Karnaugh Map? Maurice Karnaugh, a…
Textbook
With addition being easily accomplished, we can perform the operation…
Textbook
A mathematician named DeMorgan developed a pair of important rules…
Textbook
All entries arranged in alphabetical order of surname. Major…
Textbook
All entries arranged in alphabetical order of surname. Major…
Textbook
In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.
Textbook
Another variation on a theme of bistable multivibrators is the J-K…
Textbook
Also known as the stairstep-ramp, or simply counter A/D converter,…
Textbook
One of the more advanced ADC technologies is the so-called…
Textbook
Learn the Power Formula We’ve seen the formula for determining…
Textbook
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.
Tools
Because binary numeration requires so many bits to represent…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Processors
So far, we’ve studied both S-R and D latch circuits with enable…
Textbook
This calculator helps you compute the inductance of a rectangle loop.
Tools
Constant Rule Rule of Sums Rule of…
Textbook
Diodes can perform switching and digital logic operations. Forward and…
Textbook
In the beam power tube, the basic four-element structure of the…
Textbook
Given two lengths of metal wire, which one will have the least…
Worksheets - Processors
Associative Property In addition and multiplication, terms may be…
Textbook
Since the enable input on a gated S-R latch provides a way to latch…
Textbook
Because it takes energy to force charge to flow against the opposition…
Textbook
The table method provides a structured methodology for ensuring you…
Textbook
Given two lengths of metal wire, which one will have the least…
Worksheets - Processors
Differential Op-Amp Circuits An op-amp with no feedback is already a…
Textbook
It is sometimes useful in logic circuits to have a multivibrator which…
Textbook
Practical Benefit of Active Devices The practical benefit of active…
Textbook
With the notable exception of calculations for power (P), all AC…
Textbook
If at all possible, shut off the power to a circuit before performing…
Textbook
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