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LED Speedometer circuit – Circuit Schematic
LED Speedometer circuit
Attached the circuit schematics 12 Volts : from car battery Ground :  Car chassis Signal : from the sensor stepper motor  The No 5 Pin of LM3914 c.....
Knight Rider Circuit For RC CARS – Circuit Schematic
Knight Rider Circuit For RC CARS
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dodge van repair – Circuit Schematic
dodge van repair
This web page contains a narrative log and pictorial essay to maintain a 1989 Dodge B250 Ram Van with 5. 2L engine with 136, 000+ miles. At the bottom, I also h...
Migrating from x86 to PowerPC vehicle control module – Circuit Schematic
Migrating from x86 to PowerPC vehicle control module
The first time you sign into developerWorks, a profile is created for you. Select information in your profile (name, country/region, and company) is displayed t...
turn signal beeper Piezo buzzer – Circuit Schematic
turn signal beeper Piezo buzzer
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2001 Civic A/C Compressor – Circuit Schematic
2001 Civic A/C Compressor
I have an 01 Civic EX. A/c blew very cold. On a hot day ran into a store, came out to start the car and it blew hot air. Checked the fuses and all seemed fine, ...
Ignition Coil Buzz Box circuit – Circuit Schematic
Ignition Coil Buzz Box circuit
Here`s a circuit to create a buzzcoil using a standard automotive ignition coil. A 556 dual timer is used to establish the frequency and duty cycle of the coil ...
Simple but reliable car battery tester circuit – Circuit Schematic
Simple but reliable car battery tester circuit
This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs no voltage regulators (it has a built in voltage regulator) and...
Audible Flasher Warning circuit – Circuit Schematic
Audible Flasher Warning circuit
If you re a biker or scooter rider you ll know how easy it is to forget to cancel your flashing indicators after turning without an audible reminder. Constantly...
Automatic Windshield Washer Control circuit – Circuit Schematic
Automatic Windshield Washer Control circuit
Most, if not all, recent cars have an impressive amount of electronics, whether it be ABS brake systems, engine control with injection calculators, airbag activ...
Simple Headlight Reminders circuit – Circuit Schematic
Simple Headlight Reminders circuit
These two headlight reminder circuits are easy to install and operate on the KISS (Keep It Simple Stupid) principle. The simple circuit involves adding just a 1...
Fog Lamp Switch Circuit – Circuit Schematic
Fog Lamp Switch Circuit
In most countries it is now mandatory or at least recommended to have a rear fog light on a trailer with the additional requirement that, when the trailer is co...
Fog Lamp Sensor Circuit – Circuit Schematic
Fog Lamp Sensor Circuit
For several years now, a rear fog lamp has been mandatory for trailers and caravans in order to improve visibility under foggy conditions. When this fog lamp is...
Automatic Headlight Brightness Switch circuit – Circuit Schematic
Automatic Headlight Brightness Switch circuit
Driving the highway with your high-beam headlights can really increase your visibility, but can he a blinding hazard for other drivers. This simple circuit can ...
Simple but reliable car battery tester – Circuit Schematic
Simple but reliable car battery tester
This circuit uses the popular and easy to find LM3914 IC. This IC is very simple to drive, needs no voltage regulators (it has a built in voltage regulator) and...
Automatic Headlight Brightness Switch – Circuit Schematic
Automatic Headlight Brightness Switch
This simple circuit can be wired into your headlight switch to provide automatic switching between high and low beam headlights when there is oncoming traffic. ...
Headlight Flasher – Circuit Schematic
Headlight Flasher
Small and interesting circuit that flashes your head lights. Automotive, head lights, circuit diagram. Built around famous NE555 timer circuit.....
E46 (BMW 3 series) Bi Xenon Wiring – Circuit Schematic
E46 (BMW 3 series) Bi Xenon Wiring
Since a lot of people have e46 bi xenon projectors and wanna know how to wire them up correctly, without burning out the solenoid only using 2 of the 3 wires. D...
2005 GTO FX-R and MDX H11 Quad Projector Retrofit – Circuit Schematic
2005 GTO FX-R and MDX H11 Quad Projector Retrofit
Car is a 2005 Pontiac GTO, 6. 0L, 6-speed manual. Headlights on these cars are garbage. they came with H11 low-beam projectors with seriously dim output, so it`...
RFID Ignition – Circuit Schematic
RFID Ignition
You wire in some relays and run it in parallel with your key ignition. The wiring schematic is as follows: So do I connect one wire from the 87 terminal (orange...