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Microprocessor Circuits   Page 6
Microprocessors:  #'s     A-B     C-G     H-L     M-O     P     Q-S     T-Z
Last Updated on: Friday, March 12, 2010 12:07 PM


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

Parallel Port Microchip PIC Micro Controller Programmer - PIC Programmer is an essential tool if you wish to learn or build projects with Microchip PIC Micro Processors. This programmer is built using Free Windows Software called WinPicProg and other similar software from PICALLW or Oshosoft ….(circuit design added 11/08)

Parallel Port PIC Programmer for PIC18F2550 - Developed specifically for programming of PIC 18F2550 micro controllers, this parallel port, no-power, programmer is the smallest of all programmers ever built. A DB25 Male Connector, one capacitor and a resistor makes this Port Powered programmer. Programmer takes its power from Parallel Port pins 2-9. VPP for this programmer is 5V and hence "LVP" must be selected in programming software. ….(design added 11/08)

Parallel Port PIC Programmer with ICP - This programmer is built for Free Windows Software called WinPicProg developed by Nigel Goodwin and uses a 74HC14 instead of 74LS05 used on other parallel port programmers. ….(electronic schematic added 11/08)

Paralleling the TC1121 to Reduce Output Resistance for Driving Higher Load Currents TC1121 - Microchip Application Note Published 10-Dec-02   (app note added 2/06)

Passively Probing an InfiniBand System with an Agilent 16700 Series Logic Analysis System - Agilent Application Note   (app note added 6/06)

PBUS, multi-drop RS422/485-type network for interconnecting PIC nodes - (added 6/07)

PC 12V Adapter - This circuit provides a short circuit protected power supply from PC 12V supply voltage. This is particularly handy when working with PC interfacing projects. Designed by M Asim Khan from Pakistan.  ….(electronic schematic added 06/09)

PC Board Layout Checklist: DC-DC Converters / AB-11 - Fairchild Application Notes / (app note added 6/06)

PC Power Applications / AB-52 - Fairchild Application Notes / (app note added 6/06)

PC Power Applications / AB-53 - Fairchild Application Notes / (app note added 6/06)

PC RS422 Interface - Isolated RS422 adapter for PC serial port by M Asim Khan, Pakistan.  ….(circuit design added 06/09)

PC RS485 Interface - Simple and easy build RS232C-RS485 converter designed by M Asim Khan, Pakistan.  ….(design added 06/09)

PC-Based Development Programmer for the PIC16C84 - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

PCI Timing Check using the Agilent E2920 PCI Series Exerciser/Analyzer - Agilent Application Note   (added 6/06)

Phase Modulated PWM Topology with the ML4818 / AN-42026 - Fairchild Application Notes / (app note added 6/06)

Phoenix Programmer - ….(design added 08/08)

PIC 16f84 Clock - Can be used to turn off devices after specified time (circuit added 08/07/06)

PIC 3rd Harmonic Meter - The PIC board detects 3rd harmonic distortion of AC power line. ….(electronic schematic added 06/09)

PIC 5x7 Display - (schematic / circuit added 10/02)

PIC ADC a Free PIC Based intelligent A/D Converter - (design circuit added 8/02)

PIC Based Motor Controller - (circuit / schematic added 2/03)

PIC Based Packet Radio Encoder - (electronic circuit added 7/03)

PIC Based RS485 Multiplexer - Recently, I had to design a circuit real quick that transmitted 4 parallel TTL data bits over 350m of twisted pair cable. I needed to feed in four parallel data bits at one end, and get 4 parallel data bits out the other end, completely transparent to the transmitting and receiving circuits....  (added 8/06)

PIC Caller ID - Caller ID circuit displays name and a telephone number of the person that is calling you. Information is decoded using MT8870 DTMF decoder and PIC16F628 microchip and is displayed on 2x16 LCD. ….(design added 11/08)

 

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