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Reflex Action Game – Circuit Schematic
Reflex Action Game
This is a very interesting and simple circuit. This also can be used in quiz events, where two participants hit their button to answer. The participant, who pre...
Electronic Dice – Circuit Schematic
Electronic Dice
It is good idea to put this circuit in a box and mark/write each LED with number 1 to 6. Now, when switch S1 is pushed momentarily, any one of the 6 LEDs will g...
JAM (just a minute) circuit diagram – Circuit Schematic
JAM (just a minute) circuit diagram
This jam circuit can be used in quiz contests wherein any par- ticipant who presses his button (switch) before the other contestants, gets the first chance to a...
bcd counter 7 segment display – Circuit Schematic
bcd counter 7 segment display
I`m doing this lab BCD COUNTER and 7 SEGMENT DISPLAY and im using CD4510BMS presettable BCD Up/Down Counter. I was able to do the counting from 00-99 but i can`...
keypad floating voltages – Circuit Schematic
keypad floating voltages
Hey everyone. I am building a keypad lock for a project using a PIC and one of those passive keypa with 8 pins, 4 input 4 output. Each of the pins corresponds t...
digital clock hour minute second circuit – Circuit Schematic
digital clock hour minute second circuit
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z80 cpu test circuit – Circuit Schematic
z80 cpu test circuit
GND and VCC are perpendicular to the rest of the pins in the circuit diagrams, whereas the real Z80 is a DIP with no pins at all in these locations. I find that...
Many Logic probe circuit ideas – Circuit Schematic
Many Logic probe circuit ideas
Logic probe is useful tool to measure, in a check digital circuits. As a meter, which is used to measure power in electrical circuits. Logic probe was used for....
Digital Dice circuit – Circuit Schematic
Digital Dice circuit
This dice digital circuit would be a favorite of everyone, by using it to display the numbers. When I turn off the spin switch, it will be converted to a binary...
A versatile and cheap digital counter circuits by CD4510 & CD4543 – Circuit Schematic
A versatile and cheap digital counter circuits by CD4510 & CD4543
This is versatile digital counter circuit, that as a cheap due to basic components you can buy in many electronic shop. My friend said the some circuits that.....
0-99 counter by IC 4017G—2 – Circuit Schematic
0-99 counter by IC 4017G—2
When you want the counter circuit since 0 arrive at 99. I thinks this circuit may on the same wave length you certainly. it uses IC LM4017 decade.....
12 bit Digital to Analog Converter – Circuit Schematic
12 bit Digital to Analog Converter
h5. INTRODUCTION Digital to analog converters are one of the most commonly employed circuits in many applications involving digital video, signal processing, te...
Removing pop from a CMOS switch – Circuit Schematic
Removing pop from a CMOS switch
Hi again, I have a simple audio switching circuit that is giving me a problem. I am using a CD40106 Schmitt Trigger in conjunction with a CD4066 CMOS switch to ...
Sine Wave To TTL Converter – Circuit Schematic
Sine Wave To TTL Converter
As the title implies, the present circuit is intended to convert sinusoidal input signals to TTL output signals. It can handle inputs of more than 100 mV.....
Simple Logic Probe – Circuit Schematic
Simple Logic Probe
This simple logic probe has both LEDs on with no signal at the input but due to the nor gates connected to the probe, indicates correctly when a high or low sig...
Power Flip-Flop Using A Triac – Circuit Schematic
Power Flip-Flop Using A Triac
Modern electronics is indispensable for every large model railroad system, and it provides a solution to almost every problem. Although ready-made product.....
Low-Cost Dual Digital Dice – Circuit Schematic
Low-Cost Dual Digital Dice
This simple dual digital dice is based on three low-cost ICs, a few transistors and a handful of LEDs. IC1a & IC1b operate as an oscillator with a frequen.....
8 Bit Binary to 256 Decimal (1 of 256) Decoder – Circuit Schematic
8 Bit Binary to 256 Decimal (1 of 256) Decoder
This is a guest post by Olger Groen . If you would like to write for ExtremeCircuits, then drop us an email via contact form or simply comment. A long tim.....
256 Run Light (8bit Bin Up-Down) – Circuit Schematic
256 Run Light (8bit Bin Up-Down)
This is A 8 bit Up/Down Counter that together with the “8 Bit Binary to 256 Decimal (1 of 256) Decoder “ makes a Run Light. I tried to to put all th...
development and evaluation for FPGA based systems – Circuit Schematic
development and evaluation for FPGA based systems
With regard to the System Monitor feature presented in this article, Avalon Microelectronics used this feature in two Virtex-5 FPGAs (XC5VLX330T) in their devel...