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Electronic Coin Toss – Circuit Schematic
Electronic Coin Toss
This is electronic coin toss circuit using one CD4049 IC (Hex inverting buffer and TTL driver). This IC has six buffers and it may be used independently. The bu...
Digital scoreboard circuit – Circuit Schematic
Digital scoreboard circuit
Digital scoreboard circuit functions to display values from 0 to 9 on the 7 segment display. 7 segments using a common type of anode...
Digital To Analog Converter Circuit – Circuit Schematic
Digital To Analog Converter Circuit
Figure A is an R/2R resistor ladder. Each switch that is closed increases the amount of current at. A simple channel A/D converter is shown in Fig. B. The volta...
Digital-to-analog-converters – Circuit Schematic
Digital-to-analog-converters
The following applications circuits are intended to illustrate the following points: A 2-KO resistor should be in series with V to limit supply current with neg...
Counter display with led 7 segment by IC CMOS – Circuit Schematic
Counter display with led 7 segment by IC CMOS
This is the simple digital counter circuit, the IC application number 4029 from binary data, and then sent to the IC number 4513, a driver IC 7 Segment, to show...
Audible Logic Probe – Circuit Schematic
Audible Logic Probe
We can use NE556 timer IC to make indication of static of terminal in digital logic audible.? Audible logic probe can be very useful when we have to visually....
ADV7123 Digital-to-Analog Converter Connection Diagram and Datasheet – Circuit Schematic
ADV7123 Digital-to-Analog Converter Connection Diagram and Datasheet
This digital-to-analog converter (DAC) integrated circuit is designed for lowest noise performance, both radiated and conducted noise. A recommendedconnection d...
7 segment display driver – Circuit Schematic
7 segment display driver
7 segment display driver circuit based on 7446. seven segment display system, 7 segment decoder/ driver . Sinking and sourcing 7 segment display driver....
4 Channel Digital Logic Analyzer – Circuit Schematic
4 Channel Digital Logic Analyzer
This is one of the simplest circuit for a PC parallel port based DLA. The Circuit is mainly used to protect the port which is fabricated on the motherboard itse...
123 Game - All MCU-free – Circuit Schematic
123 Game - All MCU-free
This electronic game pits a human player against the ‘machine’. The opponents use a common ‘game token’ and take turns moving along a path by one, two o...
Touch Switch Data Input Interface – Circuit Schematic
Touch Switch Data Input Interface
This is an interface circuit for digital data input. This circuit consist of touch button, op-amp, diode, capacitor and resistors. Any conductor surface can be....
Basic Logic Gate with PNP Transistor – Circuit Schematic
Basic Logic Gate with PNP Transistor
This schematic diagram shows a circuit of basic logic gate circuit. This PNP transistor circuit can act as OR gate or AND gate. If the input is closing of....
Audible Logic Probe/Indicator – Circuit Schematic
Audible Logic Probe/Indicator
Logic indicator circuit / logic probe is used to identify logic level at any point of logic circuitry. The indicator can be visual (using LED, LCD, of 7....
SPI Interface Circuit for Big 7 Segment LED – Circuit Schematic
SPI Interface Circuit for Big 7 Segment LED
This circuit is uses for the general purpose Big LED with SPI serial interfacing. The circuit is using a serial-in-parallel out shift register, 74HC595 for rece...
10 Step Baby Gate Sequencer CD4017 – Circuit Schematic
10 Step Baby Gate Sequencer CD4017
I Just finished my newest version of the "baby 10 sequencer". It has control voltage and gate switches. I found some problems with it, and subsequently this mod...
Step sequencer – Circuit Schematic
Step sequencer
The output of the 4017 is 100% duty cycle. so that means if you have step one and step two on, they will lead right into each other and you`ll have a step that ...
4017 gate sequencer – Circuit Schematic
4017 gate sequencer
The cool thing about the 4017 is that you can add other 4017s and make the sequence longer (of course with more discrete parts): I saw the schematic youG ‚¬ ...
counter diagram – Circuit Schematic
counter diagram
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Design of VLSI Systems – Circuit Schematic
Design of VLSI Systems
Clock signals are the heartbeats of digital systems. Hence, the stability of clock signals is highly important. Ideally, clock signals should have minimum rise ...
Few words about CPLD – Circuit Schematic
Few words about CPLD
I forced myself to use and learn about programmable logic chips. As I wrote in my older post, I have very small inventory of the chips and was forced to use Lat...