PC Controlled Relays -  A popular design with dozens of applications. The design is simple and compact. Switch almost everything on and off with a simple mouse click. Some tech specs: relay outputs, on-board power regulator, on-board serial port. . . .  [Projects & Ideas from Nutchip.com]

PC Controlled Voltage or Current Source -  If you are interested in model aeroplanes and have the capital, a radio controlled electric park flyer is a must have. An RC aeroplane under 400 grams floats around like the rubber models of my youth and contact with the ground doesn't seems to involve that sickening crunch. . .  [Electronic communications to r dot p at webone.com.au]

PC controls light dimmer -  08/19/99 EDN Design Idea   control one light dimming from PC - Using the simple circuit in Figure 1 , you can control the light intensity in your room or work area from your PC. The heart of the circuit is a low-power D/A converter that converts digital wo. . .  [by Afshin Mellati]

PC electrically isolated RS422 interface using SN75176B or MAX485 -  This interface circuit provides electrically isolated RS422 communication interface to the PC serial port the isolation circuit protect the PC from direct connection to hazardous voltages. . . [by M Asim Khan, asimkhan @ sat.net.pk]

PC hardware monitor reports the weather -  01/18/01 EDN Design Idea   You usually use PC hardware monitors to keep a close eye on powersupply voltage levels, the speed of system cooling fans, and even the temperature of the CPUPDF has several circuits, scroll down. . . .  [by Sean Gilmour, Analog Devices, Limerick Ireland]

PC I Express Power & Mini Card Solutions -  DN346 Design Notes (Linear Technology). . .  [Linear Technology]

PC I PIO Board -  An experiment of the PCI board to build with generic parts, such as a GAL and TTL logics. PCI is a industrial standard bus on the parsonal computers. But nobody tries to build the PCI board personaly, so I tried it. And it had been completed with successful :-) . . .  [The Electronic Lives Manufacturing-presented by Chan]

PC Interface for Point Controller -  . . . 

PC IR Remote Control -  This page gives some information on a PC based IR remote control system I've developed for computer control of TV, video, satellite and hifi equipment etc. . . .  [Chris Dodge]

PC ISA board containing a Z80 microprocessor (coprocessor card) -  . . . 

PC ISA Card Random Number Generator -  . . . 

PC I-X Gigabit Ethernet Card Design -  App Note # 082. . .  [Pericom Semiconductor]

PC MCIA Card & Card Socket Power Management -  AN60 Most portable systems have expansion sockets conforming to the standards set by the Personal Computer Memory Card International Association (PCMCIA). This standard requires the host to perform an unusual amount of switching on both the VCC and VPP voltage lines. Card designers face difficult power management and DC/DC conversion issues of their own. Board real estate and component height are at a premium making design difficult and component selection critical. This application note discusses in detail both the host and card designer issues and highlights several new products designed specifically for these applications. . . .  [Linear Technology]

PC MCIA Socket Voltage Switching Design Note 93 -  DN93 Design Notes (Linear Technology). . .  [Linear Technology]

PC monitors two-way RS-232 transmission -  02/01/01 EDN Design Idea   The goal of monitoring transmission in a data link is obvious: You want to know the contents of the data, when it was sent, and by whom. If one of the communicating parties is a PC or another user-programmable controller, then yo. . .  [by Jerzy Chrzaszcz, Warsaw University of Technology, Poland ]

PC Mouse Implementation using COP800 -  App Notefirst published05-Aug-1995. . .  [National Semiconductor]

PC Multimedia Speakers -  This is a circuit for USB compatible low cost and low power multimedia speakers for PC. . . .  [© EFY Enterprises Pvt. Ltd. All rights reserved.]

PC parallel port eight DC power switch cam driver two unipolar stepper motors, lights etc -  . . . 

PC Parallel Port Output Capabilities -  includes instructions how to connect a relay to PC parallel port  . . .  [Tomi Engdahl's web]

PC Power Supervisory Circuit with KA3502/AN-4002 -  Fairchild App Note. . . 

PC Power Supply Design with KA3511/AN-4003 -  Fairchild App Note. . . 

PC Printer Port Controls Frequency Divide -  06/09/94 EDN Design Idea   . . .  [by Bogdan Manolescu, Microelectronica, Bucharest, Romania]

PC Printer Port Controls I V Curve Tracer -  App Note/ 253 / Nov-07) . . .  [Maxim Integrated]

PC RS422 Interface -  Isolated RS422 adapter for PC serial port by M Asim Khan, Pakistan. . . .  [Wichit Sirichote, designer]

PC RS485 Interface -  Simple and easy build RS232C-RS485 converter designed by M Asim Khan, Pakistan. . . .  [Wichit Sirichote, designer]

PC 's printer Port measures frequency -  10/26/95 EDN Design Idea   You can plug the circuit in Fig 1 into a PC's printer port to measure frequency. The circuit needs no external power supply, measures frequencies from 1 Hz to 5 MHz, and displays the results on screen. IC1 (CD4536) is a 16- or 24-. . .  [by Yongping Xia, EBT Inc, Torrance, CA]

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