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لینک مدارات کامپیوتر
  • I2C printer port adaptor
  • RS232C Level Converter
  • Isolated Full Duplex RS232C Interface
  • PC Serial Receiver (57.6K Baud / TTL & CMOS)
  • PC Serial Port Receiver
  • Parallel Port Relay Interface
  • PC based 7-segment rolling display
  • DB-9 Connector to DB-25 (both RS-232)
  • Mac Serial Port (RS-422 DIN-8) to RS-232 DB-25
  • Parallel print capture system
  • ZX96-Mainboard
  • Modem Rockwell RCV336/ACF model V1433VQR ext.
  • Genius Mouse schematics
  • EEPROM programmer
  • Commodore 64 24-bit parallel port interface with 8255
  • Macintosh interface for X10 MR26A Wireless Receiver
  • Sound Card Interface with Tone Keyer
  • RGB oo Monochrome converter - Matches impedance of PC to CCTV monitor
  • Ericsson phone to PC serial port interface
  • PC serial port receiver
  • Parallel port relay interface
  • ISA 48 I/O digital card
  • PC infrared iRDA interface using TFDS 4500
  • Jupiter card programmer
  • USB to RS232 Dongle
  • Parallel (Printer) Port Interface
  • RS-232 line monitor and loopback cables
  • The KD2BD Pacsat Modem
  • A Serial Infrared Remote Controller
  • PC Serial and Parallel Port Software and Interfaces
  • Interfacing 16x2 character :LCD to parallel port
  • RS-232 Protocol Analyser
  • Interface cable for Casio QV-200 digital camera
  • Radio clock for PC's
  • Serial to ECP interface
  • A PC-Based LowFER Frequency Synthesizer
  • General purpose 48-bit ISA parallel I/O card
  • Power from RS-232 port
  • PCI to ISA converter
  • WatchDog for ISA Bus
  • 4-channel 8-bit analog-to-digital converter for PC
  • Printer port ADC
  • Parallel port ADC based on MAX147
  • Analog Signal Acquisition for PC Printer Port
  • More accurate PC/AT clock
  • Getting power from RS-232 interface
  • Barcode scanner
  • Build your own iRDA SIR Transceiver (Dongle) using MCP2120
  • PC thermometer
  • Dive computer interface
  • Parallel port servo controller
  • GPS receiver (Gamin, Eagle etc) to PC interface cables
  • Connect two CD-ROM drives to one soundcard
  • Headphone driving circuit for soundcards
  • Get power out of PC parallel port
  • Null Printer Adapter
  • PC speaker volume control circuit
  • How to get power from PC to your circuits
  • RS-232 surge protection
  • Simple RS-232 serial port buffer circuit
  • Get power out of PC RS-232 port
  • Sound Blaster Microphone Preamplifier
  • Sega 3D glass interfacing circuits
  • Convert Atari-style joystick to PC joystick port
  • Fake Joystick circuit
  • Using the joystick port as general purpose input
  • Connect other circuits to PC joystick port
  • Schematic of a standard PC joystick
  • Simple PC SmartCard reader
  • Fax to modem interface
  • PC interface for point controller
  • Linux Infra-red Remote Control (LIRC)
  • Homebuilt RS232 LCD Interface
  • Compter microphone
  • Laptop Computer Serial Port Power Booster
  • Assorted computer interface circuits
  • HamComm Interface
  • Apple II/II+/IIe IDE Drive Interface
  • Basic Stamp I & PC Relay Controller
  • CompactFlash to IDE interface
  • ATX power supply schematic
  • X-Y plotter for PC
  • PC based cable tester
  • Hi-Fi PC Speaker System
  • IDE hard-disk interface for Amiga 500
  • How to construct Garmin GPS receiver interface cables
  • iRDA printer adapter
  • 160 Baud ALDL Hardware Interface
  • AT PC Power Supply 1
  • AT PC Power Supply 2
  • AT PC Power Supply 3
  • AT PC Power Supply 4
  • AT PC Power Supply 5
  • iLINK Interface
  • Digital Signals Decoding Interfaces
  • 9-pin null modem cable
  • Simple RS-232 receiver
  • +5v from RS-232 - LM78L05
  • RS232 - Lowe HF-225 interface
  • RS232 to IrDA convertor using Vishay TOIM3232
  • Interfacing PC sound card to SSB rig
  • Supply Derives Power From 3-Wire RS-232 Port
  • 24-line PC digital interface (PDF)
    • ابوالفضل شنبه 2 اسفند‌ماه سال 1382 ساعت 10:43 ق.ظ
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    لینک مدارات رابط
  • Tilt sensor for the PalmPilot
  • Casio interface circuits
  • SHARP palm-top/hand-held to RS232 serial converter
  • MIDI interface for Palm computers
  • MIDI interface for Palm cradle
  • MIDI interface for Visor USB
  • MIDI-USB Cradle for Visor (Deluxe, Platinum)
  • MIDI interface for Visor
  • Interfacing ultrasonic range finder to BrainStem
  • Hamamatsu UVTron Interface to a BrainStem
  • Pulse Shaping on the Palm Pilot
  • Casio interface cable
  • Casio organiser hardware
  • Casio datalogger
  • Interfacing ADXL202 accelerometer to PalmPilot
  • PalmPilot audio interface
  • PalmPilot cradle to modem adapter
  • PalmPilot connector pinouts
  • PalmPilot serial port interface
  • PalmPilot memory schematics
  • Aladin interface
  • PalmPilot turbo boost guage interface
  • IBM PC keyboard to PalmPilot interface
  • Aladin interface using op-amp
  • Wireless local network for PalmPilot (large PDF)
    • ابوالفضل شنبه 2 اسفند‌ماه سال 1382 ساعت 10:41 ق.ظ
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    لینک مدارات منا بع تغذیه
  • ±12V supply accepts 9 to 30V inputs
  • Power supply provides +5VDC regulated, +10VDC unregulated and 7.5VAC
  • 13.5KV power supply
  • Kirlian device supply
  • LM317 adjustable power supply
  • LTC1265 Nicad charger
  • Single cell lithium battery charger
  • Smart battery charger
  • Battery charge indicator
  • Lead acid trickle charger
  • 12B Battery condition indicator
  • Alkaline battery charger
  • Basic increase in DC voltage
  • Power Tool Torque Control
  • Generating Negative 5 Volts from 9 Volt Battery
  • LED Battery Condition Indicator
  • LM317 Variable Voltage Regulator
  • LM317 Regulator With Pass Transistor
  • High Current Regulated Power Supply
  • Simple Variable Voltage Source
  • Various switching power supplies
  • Variable 3 - 24 Volt / 3 Amp Power Supply
  • 2 watt switching power supply
  • Variable Voltage and Current Power Supply
  • Low Power DC to DC Converter
  • Constant Current Battery Charger
  • Intelligent NiMH/NiCd switched mode fast charger
  • Variable DC power supply
  • Nicad battery charger
  • Simple power supply
  • Voltage converter
  • Bench power supply
  • Easy power supply
  • Valve power supply
  • 6V to 12V Converter
  • Tesla coil / HV generator
  • High Current Power Supply
  • Dual Polarity Power Supply
  • High Voltage High Current Power Supply
  • Transformerless Power Supply
  • Fixed Voltage Power Supply
  • Voltage Inverter
  • Voltage Inverter
  • Dual power supply
  • 1A Variable Regulated Power Supply
  • Negative voltage generator
  • 12V battery capacity tester
  • NE555 Low Voltage Battery Disconnect Circuit
  • 33 Volt DC To DC Converter
  • Automatic AC voltage (110/240) selector
  • Variable 0-5A Current Source
  • Ground Fault Interupter
  • Intelligent battery charger
  • 12 Volt DC Load Control and Battery Protection
  • Low battery indicator
  • Variable power supply
  • Switching Power Supply
  • Low Power DC Quadrupler
  • Surge protector
  • Ultimate power supply
  • Variable Regulated Power Supply
  • Power reminder beeper (PDF)
  • Unplugged power cord alarm
  • Machine power loss beepter (PDF)
  • Low-dropout 12V regulator (LM324)
  • HV supply: 12VDC in, 12KV out
  • Generating -5VDC from +5VDC
  • Filtering PC bus POWER
  • Bidirectionall power inverter
  • Nagative voltage generation using 555 timer
  • High current regulated power supply
  • One 9V battery gives +18, +25, +33V
  • +9V *and* -9V from one battery
  • Battery charger
  • Adjustable power supply using LM317
  • Simple +5V power supply circuit
  • 12 Vdc - 120 Vac Inverter Schematic
  • +12V/-12V Power supply unit
  • +/-12V -> +/-5V Power unit
  • +5V Switching regulator (1)
  • Switching regulator (2)
  • Electric power controller
  • +30V power supply with +5V
  • +30V DC-DC converter
  • DC/AC inverter (2)
  • DC/AC inverter (1)
  • PIC16F873 DC motor speed controller
  • 5v Regulated Power Source
  • 12V 30A power supply
  • Dual regulated power supply
  • Fuse blown indicator
  • Gyrator circuit
  • Variable power supply
  • LM317 Regulator Circuit
  • Nicad battery charger
  • Regulated 12V supply
  • Unregulated power supply
  • Snowmobile GPS power adapter
  • Simple switching power supply
  • Assorted power source and control circuits
  • 12 volt battery monitor
  • 12 volt power supply
  • 5 volt power supply
  • Battery voltage monitor
  • LM3914 battery monitor
  • Multiple voltage power supply
  • Voltage doubler
  • Voltage inverter
  • Automatic Reset Circuit for Astron Power Supply's
  • One-hour battery charger
  • Battery pack capacity indicator
  • Prevision half-wave AC to DC converter
  • Unity gain half-wave rectifier
  • PWM Motor Speed Controller / DC Light Dimmer
  • PWM Motor/Light Controller
  • Low Power LED Voltmeter
  • PWM Motor/Light Controller
  • PWM Motor/Light Controller variants
  • Low Power LED Voltmeter
  • Temperature Controlled NICD Charger
  • Simple Capacitance Multiplier Power Supply For Class-A Amplifiers
  • Simple DC Adapter Power Supply
  • Variable Dual Lab Power Supply
  • Battery Charger Ideas
  • Power control for arc welders and other inductive loads
  • Charger for gel lead acid batteries
  • 12V to 120VAC inverter
  • Nicad battery cycler
  • Micropower 10ppm/°C, +/-5v reference
  • Battery Characterizer
  • Nicad Battery Discharger/Capacity Indicator
  • 200 Watt Modified PC Power Supply 13.5 Volt 14 Amp
    • ابوالفضل شنبه 2 اسفند‌ماه سال 1382 ساعت 10:40 ق.ظ
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