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Microprocessor Circuits
Microprocessors:  #'s - B      C - F      G - K      L - M      N - P      Q - S      T - Z

 

Last Updated: October 18, 2017 05:04 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Galvanic Decoupling of I2C Bus -  In the early 1980's, NXP Semiconductors developed a simple bi-directional 2-wire bus for efficient inter-IC control.  This bus is called the Inter-IC or I2C-bus.  At present, NXP's IC range includes more than 150 CMOS and bipolar I2C-bus compatible types for performing communication functions between intelligent control devices  (e.  g.  microcontrollers) , general-purpose circuits  (e.  g.  LCD drivers, remote I/O ports, memories) and application-oriented circuits  (e.  g.  digital tuning and signal processing circuits for radio and video systems) .   __ Designed by Vince Himpe

Generic experimental AVR board -  A simple and small AVR board to develop your applications.  It consists of few, cheap and ordinary components like LEDs, Voltage regulator and capacitors__ Vassilis Stergiopoulos ©

Generic experimental AVR board v2.0 -  A simple and small AVR board to develop your applications.  It consists of few, cheap and ordinary components like LEDs, Voltage regulator and capacitors. __ Designed by Vassilis Stergiopoulos ©

Get Started with PIC Microcontrollers -  Are you new to microcontrollers? Microchip 8-bit PIC microcontrollers are cheap and easy to start with.  You can find them in many size starting at 6 pins.  Most parts contain FLASH program memory, so they can be programmed hundred times.  A good choice to start with is the 40-pin PIC16F887, or the 18-pin PIC16F628A/PIC16F818.  They contain integrated serial interface, timers, PWM module, AD converter and separate EEPROM to store your own data.   __ Designed by Peter Jakab

Getting going with BASIC stamp -  Our experimenter's board makes it easy__ SiliconChip

Getting Started with Raspberry Pi -  SEPTEMBER 2012: The Raspberry Pi  (Fig.1) is powered by a BCM2835 system-on-chip from Broadcom that contains an ARM processor  (running at 700 MHz) and a powerful graphics processing unit capable...__ Electronics Projects for You

Ghetto Development Environment -  A while back, I posted up a quick and dirty el cheapo method of getting started programming the Atmel AVR series chips: Ghetto Programmer  (version 1.0) Since then, I've vamped, re-vamped, and otherwise improved my setup.  Thought it'd be nice to __ Designed by Radio LocMan

Good IR Detector -  How to build a simple IR detector, schematics and alternate links  __ Designed by DC Reagan

GPS LCD Display Project -  This is a project that I started back late 2003 when I just starting to learn PIC programming.  I wanted to building something that actually did somthing useful.  This project is based on a PIC16F84.  I actually came up with this idea and then after doing some searching I found that a few people had the same idea.  But, I wanted to build my own that I could call mine, developed by me.  The whole idea is, I have several GPS units with no display __ Designed by Jason KE4NYV from Roanoke, Virginia

Graphical Alarm Clock (Atmel ATmega32). Part 1 -   (Below is a video of some of the features of the clock.  Portions of the video are a little blurry, but that is due to the web cam and not the display of the clock) Launch in external player Why build the electronics of a clock? Well,  __ Designed by Matt Meerian

Graphical Alarm Clock (Atmel ATmega32). Part 2 -  Software: The software is written in a state machine manner.  Here are the states:  (the state numbers were chosen randomly) State 1: Show the power up graphics State 2: Main time/date display State 50: Main menu State 60: Set the clock State 61: Set

GSM Base Station Measurements -  Application Note__ Aligent

GSM Home Security Alarm System with Arduino -  This project deals with the design & development of a theft control system for home, which is being used to prevent/control any theft attempt.  The developed system makes use of an embedded system  (comprises an open hardware microcontroller and a gsm modem) based on Global System for Mobile communication  (GSM) technology. __ Designed by T.K. Hareendran

Hack of Egyption Talking Frog Box -  This device 'listens' to a conversations and then interjects words and phrases at inappropriate times.   __ Designed by Luhan Monat-Mesa Arizona

Hack of Talking Fish using a PIC16F819 microcontroller -  These items were sold nationally several years ago.  The fish would sing, open its mouth, turn its head, and flap its tail.  After removing the back panel, all of the existing electronics were removed leaving only the 3 servo motors, speaker and photocell)  __ Designed by Luhan Monat - Mesa Arizona

Hacking a Mini Wireless Web Server Pt.2 -  For about $30, you can have a tiny, low-power web/email server with WiFi, Ethernet and USB.  And with a bit of extra circuitry, it can even monitor voltages and control some relays.__ SiliconChip

Hacking Garmin eTrex (car power supplies) -  Garmin eTrex GPS receiver is a cute little thing that does not cost you a fortune.  Although it does not have a scrolling map  (unless you have one of those newer, more expensive models) , and offers somewhat limited functionality compared to more expensive models, but it has a connector for attaching it to serial port of your PC or laptop. __ Designed by © Madis Kaal

Hack-Toy Car -  This car measures just 5 1/2 inches in length.  It was sold as a remote control car for $19.95 at Fry's Electronics here in Phoenix.  Powered by 4 AAA batteries, it has a small dc motor and a very interesting steering mechanism.   (08/08/08)  __ Designed by Luhan Monat-Mesa Arizona

Hand Soldering of MNA Amplifiers -  AN-60031 Application Note__ MiniCircuits.com

Hand-Held Digital Audio Oscillator -  Do you need to test audio equipment, including amplifiers and speakers, in the field and in the workshop? If so, you could use this compact and inexpensive digital audio oscillator.  It can produce sine, square, triangle and sawtooth waveforms in the frequency range from 10Hz-30kHz and features three output ranges: 20mV, 200mV & 1V.__ SiliconChip

Handy cricket for robotic applications -  We will discuss the circuit based from the PICmicro® PIC16C715, progressing clockwise from pin 1 of the microprocessor

Hc08 Fan Timer -  Simple circuit with 16-pin Nitron chip 68HC908, easy analog setting, source code with ICC08.  New s-record for 8-pin 68HC908QT2! __ Designed by Wichit Sirichote

HC11 Controls the Stepper -  Simple circuit with 16-pin Nitron chip 68HC908, easy analog setting, source code with ICC08.  New s-record for 8-pin 68HC908QT2! __ Designed by Ludwig Orgler-Fachingenieur Elektrotechnik

HC-11 Evaluation Board -  Build a low-cost evaluation board for Motorola 68HC11.  Downloadable BUFFALO V3.4 to 32kB SRAM for learning __ Designed by Wichit Sirichote

HDL basic training: Top down chip Design using Verilog & VHDL -  10/24/96 EDN-Design Feature Increasingly complex ASIC and FPGA chips require you to shift from schematic-based design to design based on Verilog or VHDL.  Understanding the basics of these languages and how you use them for designing AS ICs and FPGAs will help you go with the HDL flow __ Circuit Design by —Douglas J Smith, VeriBest

HDL tools of the TRA - D -  11/07/96 EDN-Design Feature    You need to know about the EDA tools used in HDL-based design.  This summary of some front-end chip-design tools along with a description of test methodology and testability issues should helpDouglas J Smith, VeriBest __ Circuit Design by Douglas J Smith, VeriBest

Hearing Loop Signal Conditioner -  Want to drive a hearing loop using a conventional voltage  (audio) amplifier? This Hearing Loop Signal Conditioner includes signal compression and has a treble boost control to compensate for high-frequency roll-off due to loop inductance.  It uses low-cost parts and is easy to build.__ SiliconChip

Heart rate measurement from fingertip. Part 2. Software -  Part 1.  Schematic Software The firmware does all the control and computation operation.  In order to save the power, the sensor module is not activated continuously.  Instead, it is turned on for 15 sec only once the start button is pressed.  The

Heater Fan Controller -  This device acts as a variable speed control for the heater blower in a car.  It takes its power directly from the existing wiring and connects with just 2 wires.  It will also work for any 12 volt device up to 10 amps __ Designed by Luhan Monat-Mesa Arizona

Hexbot Robot -  The HEXBOT is constructed from 12  (cheap) model airplane servos.  Each leg moves laterally on one servo and vertically on the other.  Conveniently, this type of servo runs on 5 volts.  These servos need only a specific width pulse to position it.  Once it arrives at its target location, it draws very little power  (about 10 ma) .  Power is provided)  __ Designed by Luhan Monat - Mesa Arizona

High Accuracy RPM-Measurement with 68HC12 -  Schematic + code __ Designed by Ludwig Orgler-Fachingenieur Elektrotechnik

High Efficiency Halogen Bike Light Dimmer -  This circuit uses a PIC16F84 microcontroller with some software to control20-Watt12V DC halogen lamp

High Efficiency I/O Power Generation for Mobile Pentium III Microprocessors -  DN258 Design Notes__ Linear Technology/Analog Devices

High Efficiency Power Sources for Pentium TM Processors -  DN90 Design Notes__ Linear Technology/Analog Devices

High Power LED Mood Lamp -  In this page we will introduce a great project designed by Toon Beerten.  His project named DIY Led Mood Lamp can become a very interesting add-on for your room that's absolutely sure it will impress everyone.  As you can __ Designed by Toon Beerten

High-Energy Electronic Ignition System for Cars, Pt.1 -  This new circuit improves upon our very popular high energy electronic ignition system.  It uses an IGBT ignition driver rather than the expensive high-voltage Darlington used in our previous designs.  You can use it to replace a failed ignition module or to upgrade a mechanical ignition system when restoring a vehicle.__ SiliconChip

High-Energy Electronic Ignition System; Part 2 -  Six Versions To Build To Suit Your Car's Trigger Input!__ SiliconChip

Home Automation SystE - M -  In this era of digital revolution, we are surrounded by smart devices that are capable of making decisions on their own without much human intervention.  Our home can also be made...__ Electronics Projects for You

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Microprocessors:  #'s - B      C - F      G - K      L - M      N - P      Q - S      T - Z

 


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