Circuit | Category | Date Added | OK? | Votes | |
Yaesu FT-897 - PC interface (PDF) | PC | | | 2 |
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RS-232 line monitor and loopback cables | PC | Jan 26, 2001 | | 3 |
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Simple RS232 Level Converter based on a MAX232 including Eagle PCB and schematic files | PC | Jun 28, 2011 | | -2 |
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PC-based candle ignitor (parallel port based design) | PC | Dec 07, 2014 | | 0 |
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PC-Based DC Motor Speed Controller | PC | Oct 25, 2014 | | -3 |
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Bell 202 and CCITT V23 Compatible FSK Modem Circuit | PC | Oct 27, 2009 | | -1 |
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Three Wire RS232 To RS485 Converter | PC | Jan 08, 2014 | | -2 |
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PC Audio Signal Generator Using RS232 Port | PC | Oct 03, 2013 | | -2 |
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Commodore 64 24-bit parallel port interface with 8255 | PC | Mar 23, 2003 | | 0 |
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USB digital I/O extender using a PIC18F14K50 | PC | Apr 12, 2014 | | -2 |
|
Transceiver to PC soundblaster interface for digital operating modes (PSK-31, RTTY, SSTV etc) | PC | Oct 07, 2009 | | -1 |
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Transceiver to PC interface with a hardware DTMF detector and galvanic isolation (PDF) | PC | Oct 07, 2009 | | 0 |
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PC serial port parastic mode interface for 1-wire DS18S20 and similar 1-wire temperature sensors | PC | Jun 28, 2011 | | -1 |
|
Small circuit and PCB layout for recording to PC Sound Monitor / Pre-amp | PC | Feb 26, 2010 | | -1 |
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Ericsson phone to PC serial port interface | PC | Nov 29, 2002 | | -3 |
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Magnetic card reader to PC RS-232 port interface based on a PIC12F675 micro | PC | May 24, 2010 | | 0 |
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RS-232 to TTL level translator | PC | May 16, 2010 | | -1 |
|
RS232 to RS485 converter schematic to connect PC to RS485 network | PC | Apr 09, 2010 | | -1 |
|
RS232 serial to USB converter cable circuit schematic | PC | | | -1 |
|
Mac to HP48 cable pinout | PC | Sep 10, 2006 | | -1 |
|
Game boy camera PC serial interface | PC | Sep 13, 2006 | | -1 |
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300/1200 baud BAYCOM MODEM (revision and improved) | PC | | | -1 |
|
HAMCOM (SSTV, RTTY, FAX...) modem using PC-speaker for TX | PC | | | -1 |
|
PTT and/or soundcard interface | PC | | | 0 |
|
PTT and soundcard interface for the TM255/455 | PC | | | 0 |
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HAMCOM (SSTV, RTTY, FAX...) modem using serial audio for TX | PC | | | 0 |
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HAMCOM & SoundCard MODEM using serial- or soundcard audio | PC | | | -1 |
|
TM-441 9600bps packet modification | PC | | | -1 |
|
Using a PC power supply as a benchtop power supply | PC | | | -1 |
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Computer Controlled Frequency Counter/Logic Probe | PC | Sep 01, 2009 | | -1 |
|
Circuits to computerize your room/house | PC | Sep 01, 2009 | | -2 |
|
Simple Parallel (Printer) Port Interface | PC | Sep 01, 2009 | | -1 |
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The KD2BD Pacsat Modem | PC | Jul 10, 2002 | | -1 |
|
SWTP PR-40 Printer Interface Schematics | PC | Sep 10, 2006 | | -2 |
|
A Serial Infrared Remote Controller | PC | Jan 26, 2001 | | 0 |
|
General purpose ISA interface card for PC | PC | | | -1 |
|
PC ISA Card Random Number Generator | PC | | | -1 |
|
MIDI cable for Sound Blaster cards | PC | | | -1 |
|
PC ISA board containing a Z80 microprocessor (coprocessor card) | PC | | | -1 |
|
PC based Frequency Meter | PC | | | -1 |
|
7 segment rolling display using PC | PC | | | -1 |
|
SmartCard PC Emulator | PC | Feb 21, 2005 | | -1 |
|
Relay interface add-on board for PC | PC | Feb 21, 2005 | | -1 |
|
8-way relay interface board for PC parallel printer port | PC | Feb 21, 2005 | | -1 |
|
Stepper motor controller for PC parallel port | PC | Feb 21, 2005 | | -2 |
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3-axis stepper motor controller for PC parallel port | PC | Feb 21, 2005 | | -2 |
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PC based thermometer based on Dallas DS1621 | PC | Feb 21, 2005 | | -1 |
|
Connect two CD-ROM drives to one soundcard | PC | Jan 26, 2001 | | -1 |
|
Headphone driving circuit for soundcards | PC | Jan 26, 2001 | | -1 |
|
Get power out of PC parallel port | PC | Jan 26, 2001 | | -1 |
|
Null Printer Adapter | PC | Jan 26, 2001 | | -1 |
|
PC speaker volume control circuit | PC | Jan 26, 2001 | | -1 |
|
How to get power from PC to your circuits | PC | Jan 26, 2001 | | -1 |
|
RS-232 surge protection | PC | Jan 26, 2001 | | -1 |
|
Simple RS-232 serial port buffer circuit | PC | Jan 26, 2001 | | -1 |
|
Get power out of PC RS-232 port | PC | Jan 26, 2001 | | -1 |
|
Sound Blaster Microphone Preamplifier | PC | Jan 26, 2001 | | -2 |
|
Sega 3D glasses interface circuit diagrams | PC | Jan 26, 2001 | | -1 |
|
Convert Atari-style joystick to PC joystick port | PC | Jan 26, 2001 | | -1 |
|
Fake Joystick circuit | PC | Jan 26, 2001 | | -1 |
|
Using the joystick port as general purpose input | PC | Jan 26, 2001 | | -1 |
|
Connect other circuits to PC joystick port | PC | Jan 26, 2001 | | -1 |
|
Build your own iRDA SIR Transceiver (Dongle) using MCP2120 | PC | Aug 27, 2003 | | -2 |
|
GPS receiver (Gamin, Eagle etc) to PC interface cables | PC | Mar 23, 2003 | | -1 |
|
Z80 Computer circuit diagram | PC | Aug 18, 2009 | | 1 |
|
The Great Z80 Computer Project | PC | Aug 18, 2009 | | 0 |
|
Ethernet interface for Commodore 64 computer | PC | | | -2 |
|
i2c-tiny-usb, a simple i2c interface for the usb port | PC | | | -1 |
|
LCD2USB, cheap open source text LCD interface | PC | | | -1 |
|
TiltStick, a motion sensing device (USB interface to accelerometer) | PC | | | -1 |
|
FM radio for a PIC (uses TDA7000 IC which is now obsolete) | PC | Sep 08, 2009 | | -1 |
|
Serial servo controller for interfacing hobby servos via RS232 to a PC | PC | | | -1 |
|
New and Improved Sound Card Packet Interface tested with PSK31 and APRS | PC | Oct 27, 2009 | | -1 |
|
Sanyo 20EZ monitor circuit diagram | PC | Mar 18, 2003 | | -1 |
|
PC-based ISA data acquisition and control board | PC | Sep 13, 2006 | | -1 |
|
Linux Infra-red Remote Control (LIRC) | PC | Apr 12, 2001 | | -2 |
|
Build your own MARES dive computer IRIS interface for RS232 | PC | Oct 04, 2010 | | -1 |
|
Homebuilt RS232 LCD Interface | PC | Jun 18, 2003 | | -1 |
|
Homemade Serial to Nokia MBus Interface on a PCB, without using Zener diodes | PC | | | -1 |
|
Machine Independent Parallel Interface | PC | | | -1 |
|
PG31 GPS RS232 GPS development board | PC | | | -1 |
|
PG31 GPS RS232 USB development board | PC | | | -1 |
|
RS232 RS485 USB Converter Board | PC | | | -1 |
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CCD linear image sensor to PC parallel interface | PC | Jun 20, 2004 | | -1 |
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ADMS programming Cable for the Yaesu FT50, VX1 and VX5 | PC | May 07, 2010 | | 0 |
|
Radio Interface Box for the Motorola Radius GP300 | PC | May 07, 2010 | | -1 |
|
PG4S programming Cable for the Kenwood TM-V7 and TM-G707 | PC | May 07, 2010 | | 0 |
|
Laptop Computer Serial Port Power Booster | PC | Apr 12, 2001 | | -1 |
|
SPDIF RCA to (Optical + RCA) Adapter | PC | May 07, 2010 | | -1 |
|
Various sound card interfacing circuit diagrams | PC | | | -1 |
|
Assorted computer interface circuits | PC | Mar 18, 2003 | | -2 |
|
Apple II/II+/IIe IDE Drive Interface | PC | Oct 31, 2002 | | -1 |
|
Simple stepper motor driver for PC parallel port | PC | | | -1 |
|
MS-DOS EEPROM Programmer | PC | Sep 25, 2009 | | -1 |
|
SB-Bus Drivers Introduction and Circuit Diagrams | PC | Sep 25, 2009 | | -1 |
|
RS-232 to TTL cable | PC | May 01, 2004 | | -1 |
|
9-pin null modem cable | PC | Jan 26, 2001 | | -2 |
|
PC Automatic Power-on Circuit | PC | May 19, 2015 | | -1 |
|
Circuit for interfacing a relay / solenoid to a PC based on a 2N7000 FET | PC | Sep 01, 2009 | | -1 |
|
How to construct Garmin GPS receiver interface cables | PC | Mar 23, 2003 | | -1 |
|
Jasmin floppy disk controller schematics | PC | Sep 13, 2006 | | -2 |
|
RS232 - Lowe HF-225 interface | PC | Nov 21, 2002 | | -1 |
|
Serial to parallel converter - connect a large number of digital outputs to a PC parallel port | PC | | | -1 |
|
PC parallel port eight DC power switch cam driver two unipolar stepper motors, lights etc | PC | | | -1 |
|
Pic-Plot GPIB to RS-232 converter | PC | | | 1 |
|
Pic-Plot2 GPIB to USB converter | PC | | | 0 |
|
USB to parallel port converter using Cypress CY7C68013A-56PVXC | PC | | | 0 |
|
24 Line Parallel Interface for the PC - old ISA based design (PDF) | PC | Jul 10, 2015 | | 0 |
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TTL UART to RS232 level converter using ST232CDR | PC | Jul 03, 2016 | | 0 |
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UART - USB Adapter using a MCP2200 | PC | Jul 03, 2016 | | 0 |
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UART - XPORT Adapter to allow embedded devices to be accessed from an Ethernet network | PC | Jul 03, 2016 | | 0 |
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USB - PLL / DDS - Interface | PC | Jul 03, 2016 | | 0 |
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Device to monitor the power supply voltages of Commodore computers and warn if they are out of spec | PC | May 01, 2015 | | -1 |
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555 based beeper signals when file finished loading from Commodore computer tape drive | PC | May 01, 2015 | | 0 |
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Build a USB Powered AA NiMH and NiCd Battery Charger | PC | Oct 15, 2016 | | 0 |
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Make a Dual-Boot IDE Cable | PC | Oct 15, 2016 | | -1 |
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