Index of /files/Automotive & Transportation/Automotive/Circuits/
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Utility/ 16-Jun-2025 23:55 -
3-volts Car Adapter.pdf 04-Apr-2023 19:45 80K
5V Isolated power supply with current monitorin..> 30-Apr-2017 01:51 197K
Adaptor for Classic Car Tachometer for CD Ignit..> 17-Jan-2025 23:45 349K
Alternator Controller Notes SC 2008-03.pdf 29-Apr-2025 03:25 405K
Analog Frequency Meter (Rev Counter).jpg 21-Feb-2024 02:19 130K
Analog Fuel Consumption Meter for Classic Cars.pdf 01-Nov-2022 12:44 2M
Analog Readout for ETI318 DIgital Tacho.pdf 08-Jul-2023 02:47 799K
Annuncionics Cruise Control.pdf 01-Nov-2022 12:44 491K
Antenna Extender.pdf 01-Nov-2022 12:45 272K
Assorted Alerts and Warning Indicators for cars..> 16-Jun-2025 01:45 24M
Assorted Automotive Charging System & Battery C..> 16-Jun-2025 01:44 29M
Assorted Automotive Lighting Control Collection..> 16-Jun-2025 01:46 14M
Assorted Circuits mainly for classic cars.pdf 03-Dec-2023 22:30 203K
Audible Turn Signal Indicator.pdf 01-Nov-2022 12:45 899K
Auto Bodywork Checker.pdf 01-Nov-2022 12:45 287K
Auto Electronics Errata EA 1996-10.jpg 06-Feb-2025 05:53 39K
Auto To Trailer Interface.pdf 01-Nov-2022 12:45 32K
Automatic Brake Lamp Flasher.pdf 01-Nov-2022 12:44 2M
Automatic Controller for Running In Internal Co..> 01-Nov-2022 12:45 2M
Automatic Controller for Running In Internal Co..> 01-Nov-2022 12:45 889K
Automatic Fan Control for Compact Cars Errata M..> 05-Sep-2023 03:22 101K
Automobile Digital Temperature Gauge.pdf 01-Nov-2022 12:45 1M
Automobile Ignition Substitute for Classic Cars..> 04-Apr-2023 19:45 131K
Automobile Locater.pdf 01-Nov-2022 12:44 202K
Automotive CANtrol.pdf 01-Nov-2022 12:45 834K
Automotive Door Lock Driver Circuit.pdf 01-Nov-2022 12:45 106K
Automotive Door Lock Driver.pdf 01-Nov-2022 12:44 106K
Automotive Electronics Note EA 1995-04.pdf 31-May-2025 21:08 424K
Automotive Multifunction Meter.pdf 01-Nov-2022 12:44 91K
Automotive Oil Temperature Meter.pdf 01-Nov-2022 12:44 1M
Automotive Performance Tester.pdf 01-Nov-2022 12:45 4M
Automotive Radiator Monitor.pdf 01-Nov-2022 12:45 219K
Automotive Solid State Blinker.pdf 01-Nov-2022 12:44 78K
Automotive Voltage Indicator.pdf 16-Nov-2023 22:35 37K
Backup Lights for Classic Cars.pdf 25-Dec-2023 00:01 1M
Bargraph Tachometer for Classic Cars.pdf 01-Nov-2022 12:45 5M
Basic Car Alarm.pdf 26-Nov-2023 00:20 1M
Brake Fluid Indicator.pdf 01-Aug-2023 01:24 785K
Brake Light Monitor (2).pdf 01-Nov-2022 12:45 145K
Brake Light Monitor.pdf 01-Nov-2022 12:44 184K
Breakerless Ignition for Classic Cars.pdf 01-Nov-2022 12:44 1M
Breath Alcohol Tester Controlling A Car Ignitio..> 01-Nov-2022 12:45 215K
Build the Smart Gage for your Car.pdf 01-Nov-2022 12:44 1M
Build the Smartbox for Your Car AC.pdf 01-Nov-2022 12:44 5M
CD Ignition System for Point Ignition Cars.pdf 01-Nov-2022 12:44 572K
CD Ignition Unit for 6V Vehicles.pdf 01-Nov-2022 12:44 3M
Camper DC Power - A better way.pdf 06-Nov-2023 22:06 239K
Camping Trailer Monitor Unit.pdf 25-Mar-2025 22:16 2M
Capacitive Discharge Ignition Booster.pdf 01-Nov-2022 12:44 139K
Capacitive Discharge Ignition Issues EA 1979.pdf 06-Nov-2023 03:51 240K
Capacitive Discharge Ignition Modification for ..> 25-Jul-2023 20:15 858K
Capacitor Discharge Ignition System for positiv..> 10-Nov-2023 23:19 2M
Car Accessories Timer.pdf 04-Apr-2023 19:45 2M
Car Bargraph Voltmeter.pdf 01-Nov-2022 12:44 155K
Car Computer EA 1982-07.pdf 01-Jan-2024 03:32 6M
Car Computer Remote Display.pdf 01-Nov-2022 12:44 839K
Car Locator.GIF 01-Nov-2022 12:45 6528
Car Power Adapter for Small Electronics.pdf 01-Jun-2009 02:26 87K
Car Radio Latch.pdf 01-Nov-2022 12:45 49K
Car Rip Off Protection.pdf 01-Nov-2022 12:45 634K
Car Voltage Reducer For Low Voltage Electronics..> 26-Jan-2021 22:32 316K
Classic Car Ignition Monitor.pdf 01-Nov-2022 12:44 504K
Clean Power Supplies for Cars.pdf 01-Nov-2022 12:44 631K
Cold Start Booster for Classic Cars.pdf 29-Jul-2024 05:37 909K
Cold Start Booster.pdf 01-Nov-2022 12:45 95K
Cold Start for CD Ignition Units.pdf 09-Jul-2023 04:02 851K
Courtesy Light Circuit for Classic Cars.jpg 04-Apr-2024 23:51 121K
Cruise Control for Classic Cars.pdf 01-Nov-2022 12:45 2M
Current Measurement in Solenoids.pdf 01-Nov-2022 12:45 131K
Dashboard Flasher.pdf 04-Apr-2023 19:45 2M
Daytime Running Lights Controller 2015.pdf 05-Jun-2025 03:32 372K
Delay Wiper Control.pdf 31-May-2025 21:17 227K
Deluxe Car Burglar Alarm.pdf 01-Nov-2022 12:45 2M
Diesel Tachometer.pdf 25-Aug-2023 03:57 767K
Digital Car Tacho ETI 318.pdf 04-Apr-2023 19:45 3M
Digital Clock for Vehicles.pdf 01-Nov-2022 12:44 375K
Digital Depthsounder for Small Boats.pdf 01-Nov-2022 12:45 9M
Digital Rev Counter.pdf 01-Nov-2022 12:44 297K
Digital Speedometer (2).pdf 04-Apr-2023 19:45 485K
Digital Speedometer.pdf 01-Nov-2022 12:44 1007K
Digital Speedometer.zip 01-Nov-2022 12:44 194K
Digital Tachometer (2).pdf 10-Jan-2025 22:32 42K
Digital Tachometer Module 1988.pdf 25-Mar-2025 01:23 431K
Digital Tachometer-Dwell Display for Classic Ca..> 01-Nov-2022 12:45 1M
Digital Tachometer.pdf 09-Jul-2023 04:09 265K
Digital Voltmeter for your car.pdf 01-Nov-2022 12:45 1M
Digital-Analog Tachometer 1996 - Needs PIC Prog..> 11-May-2025 01:43 2M
Direction Indicator.pdf 01-May-2025 03:33 243K
Doppler Radar with Sense.pdf 01-Nov-2022 12:44 428K
Dummy Car Alarm.pdf 02-Jul-2023 22:47 884K
Dwell Meter for Classic CarTune Ups ETI 336.pdf 04-Apr-2023 19:45 3M
Electronic Ignition Systems 1967.pdf 06-Apr-2023 21:48 452K
Electronic Ignition for Classic Cars.pdf 15-Jul-2024 22:15 39K
Electronic Ignition for Pre 1980 Cars.pdf 01-Nov-2022 12:44 6M
Electronic Ignition with VB020 & L497.pdf 01-Nov-2022 12:44 167K
Electronic Odometer.pdf 02-Jul-2023 22:42 2M
Electronic Tachometer.pdf 01-Nov-2022 12:45 1M
Electronics Projects for Your Car.pdf 04-Apr-2023 19:45 15M
Electronics in mid 1990s Fords.pdf 10-Jan-2025 22:09 6M
Emergency Car Ammeter.jpg 01-Mar-2024 04:41 96K
Energy Saving for Car Air Conditioners.pdf 04-Apr-2023 19:45 2M
Engine Efficiency Meter for Classic Cars.pdf 01-Nov-2022 12:45 4M
Engine Staller to Thwart Thieves.pdf 01-Nov-2022 12:45 733K
Expanded Scale Vehicle Ammeter.pdf 01-Nov-2022 12:44 1M
Fit A Fuel Cut Off Solenoid.pdf 25-Dec-2022 06:01 346K
Fog Lamp Sensor.pdf 09-Nov-2023 03:23 468K
Fuel Consumption Meter for Classic Cars.pdf 08-Nov-2024 03:33 503K
G-Whiz Accelerometer.pdf 01-Nov-2022 12:44 662K
Glow Plug Regulator.jpg 24-Mar-2024 02:20 402K
HLL Rev Counter.jpg 01-Nov-2022 12:44 155K
Headlight On Reminders for Classic Cars.jpg 15-Jul-2024 00:17 143K
Hesitator Windshield Wiper Control for Classic ..> 04-Apr-2023 19:45 665K
High Efficiency Electronic Ignition.pdf 04-Apr-2023 19:45 633K
High Energy Capacitive Discharge Ignition for H..> 04-Apr-2023 19:45 904K
Highway Speed Checker.pdf 01-Nov-2022 12:45 504K
Ignition Advance for Classic Cars to run on Alt..> 27-May-2024 22:03 2M
Ignition Key Alarm.pdf 10-Jun-2025 04:30 450K
Ignition Killer + Transistor Assisted Ignition ..> 02-Jan-2025 03:14 683K
Ignition Killer for Classic Cars.pdf 01-Nov-2022 12:45 899K
Ignition Pulse Amplifier.pdf 01-Nov-2022 12:44 132K
Ignition Timing Stroboscope.pdf 01-Nov-2022 12:44 261K
Improved Brake Light Circuit for Classic Cars.pdf 22-Dec-2023 00:58 2M
Improved Capacitive Discharge Ignition for Clas..> 04-Apr-2023 19:45 7M
Impulse Tachometer for Classic Cars.pdf 25-Jul-2023 19:24 266K
Inductive Discharge Ignition.pdf 12-Apr-2025 03:05 76K
Intelligent Idiot Light.pdf 01-Nov-2022 12:45 2M
LED Direction Indicator.pdf 26-Oct-2024 01:57 124K
Lack of Tach.pdf 01-Nov-2022 12:45 740K
Led Tach.zip 01-Nov-2022 12:44 72K
Lights On Reminder for Classic Cars.jpg 10-Jan-2025 21:27 60K
Marine-Auto Digital Tachometer.pdf 01-Nov-2022 12:44 569K
Misc Automotive Electrical Circuits.pdf 01-Nov-2022 12:44 2M
Mixture Display for Fuel Injected Cars 1995.pdf 11-Jun-2025 21:16 2M
Mobile-ON Alarm-Timer.pdf 04-Apr-2023 19:45 441K
Moped Turn Indicators.pdf 01-Nov-2022 12:44 252K
Motor Bike Voltage Regulator.pdf 01-Nov-2022 12:45 152K
Motorcycle Regulator Rebuild.pdf 01-Nov-2022 12:45 665K
Motorcycle Visibility Aid.pdf 01-Nov-2022 12:45 532K
Musical Horn For Your Car.pdf 01-Nov-2022 12:45 567K
No Point Ignition for Classic Cars.pdf 01-Nov-2022 12:45 1M
OBD-2 Code Reader.pdf 01-Nov-2022 12:45 2M
Oil Temperature Indicator.pdf 27-May-2025 02:04 449K
Opto Electronic Ignition System for Classic Car..> 01-Nov-2022 12:45 910K
Parking Lights Reminder For Your Car.pdf 18-Jun-2023 20:56 3M
Parking Sensor.pdf 10-Nov-2024 03:23 643K
Police Radar Speed Meters.pdf 01-Nov-2022 12:45 1M
Power Controller for Automotive Accessories.pdf 01-Nov-2022 12:45 868K
Preamplifier for Digital Speedo Notes SC 1994-0..> 20-Feb-2025 04:49 444K
Programmable Fuel Inhection Control Information..> 08-Jun-2025 22:39 2M
Programmable Wiper Controller.pdf 01-Nov-2022 12:45 830K
Protected High Voltage Interface for Electronic..> 01-Nov-2022 12:45 276K
Pushbutton Opererated Windshield Wiper Controll..> 04-Apr-2023 19:45 4M
Radar Detector Sensor.pdf 01-Nov-2022 12:44 260K
Radar Speed Gun Controller.pdf 01-Nov-2022 12:44 726K
Radar speed Meters & Traffic Controls.pdf 01-Nov-2022 12:45 905K
Rear Mirror Multiplexing.pdf 01-Nov-2022 12:45 166K
Rear View Monitor.pdf 05-Jun-2025 23:37 209K
Remote Car Starter.pdf 01-Nov-2022 12:45 342K
Road Ice Alarm.pdf 01-Nov-2022 12:44 11K
Road Information Systems.pdf 01-Nov-2022 12:44 905K
Sensor Rich Designs.pdf 01-Nov-2022 12:45 1M
Sequential Turn Signals - Like Old Mercury Coug..> 01-Nov-2022 12:44 9205
Simple Anti-Theft Device for Older Vehicles.pdf 01-Nov-2022 12:45 151K
Simple Headlight Reminder for Classic Cars.pdf 14-Sep-2023 03:42 276K
Simplified Car Lights Reminder.pdf 18-Nov-2023 01:28 479K
Smart Power Relay for Cars.pdf 02-Nov-2023 20:46 177K
Solid State Automotive Vacuum Gauge.pdf 01-Nov-2022 12:45 2M
Solid State Ignition for Classic Cars (2).pdf 04-Apr-2023 19:45 683K
Solid State Ignition for Classic Cars.pdf 01-Nov-2022 12:44 1M
Solid State Voltage Regulators for Classic Cars..> 14-Nov-2023 01:46 4M
Speed Alarm.jpg 11-Apr-2024 04:30 207K
Speedo, Clock & Volume Control for the Car 201..> 10-Apr-2025 03:24 845K
Stopping Engine Run On in 70's Cars.pdf 01-Nov-2022 12:45 62K
Super Snoop Engine Noise Finder.pdf 01-Nov-2022 12:45 1M
Sure Fire Ignition System for cars with points.pdf 01-Nov-2022 12:44 71K
Tachometer Pickup For Diesel Engines.jpg 20-Feb-2025 04:39 1M
Tachometer-Mopar-Early 70S.pdf 01-Nov-2022 12:45 37K
Tachometers and CD Ignition Systems in Classic ..> 12-Aug-2023 23:50 253K
Tachometers.pdf 01-Nov-2022 12:44 8M
Therrmatic Fan Controller for Vehicles.pdf 14-Jul-2023 05:04 2M
Third Brake Light Circuit.pdf 14-Jul-2024 02:26 28K
Tire Tread Wear Indicator.pdf 01-Nov-2022 12:45 145K
Trailer Connector Tester.pdf 08-Oct-2023 01:26 94K
Trailer Reversing Light.jpg 16-Jan-2025 03:47 349K
Transistor Assisted Ignition System for Classic..> 04-Apr-2023 19:45 2M
Trigger Circuit for CD Ignition Systems.pdf 04-Apr-2023 19:45 32K
Turbo Engine Cool Down Timer.pdf 04-Apr-2023 19:45 4M
Turn Signals From Side Marker Lights.pdf 01-Nov-2022 12:45 46K
Turn and Hazard Indicator For Your Vehicle ETI ..> 09-Aug-2023 03:30 5M
Twilight Sentry.pdf 09-Jul-2023 03:29 296K
Using a DMM for Automotive Troubleshooting.pdf 01-Nov-2022 12:44 4M
Variable Frequency Fuel Pump Driver.pdf 01-Nov-2022 12:45 37K
Variable Rate Wipers for Classic Cars ETI 319.pdf 01-Nov-2022 12:45 2M
WIndshield Wiper Delay for Classic Cars.pdf 15-Jul-2024 22:14 35K
Windshield Washer Alarm.pdf 01-Nov-2022 12:45 160K
Windshield Wiper Controller for Classic Cars.pdf 14-Nov-2023 23:59 3M
Windshield Wiper Controller.pdf 01-Nov-2022 12:44 750K
Windshield Wiper Intermittent Sweep Circuit.pdf 01-Nov-2022 12:44 145K
Wiper Delay Unit Upgrade from EA 1979-09.pdf 02-Oct-2023 22:54 267K
Wiper Delay.pdf 01-Nov-2022 12:45 24K
Wireless Idle Tachometer.pdf 01-Nov-2022 12:45 148K