A Cmos Based Motorcycle Alarm
Description This circuit features an intermittent siren output and automatic reset. It can be operated manually using a key-switch or a hidden switch; but it can also be wired to set itself...
View ArticleA Simple Transistor Based Motorcycle Alarm
Description This is a simple – easy to build – transistor based motorcycle alarm. It’s designed to work at 12-volts. But – if you change the relay for one with a 6-volt coil – it’ll protect your...
View Articleelectronic car ignition circuit
Description: This scheme is for 4 cylinder motor. This will make your car spent less fuel, be a little bit faster and you wont have to frequently open your distributor cap to change the contact buttons...
View Articlesynchronized multi spark module smsm
Multi-spark ignition is very useful especially in the case of startings at low temperature and at low rpm range. Basic idea, is to apply to spark plugs instead of only one spark, a spark-burst having...
View Articlespeed alert wireless portable unit
Adaptable with most internal combustion engine vehicles Parts: R1,R2,R19_______1K 1/4W Resistors R3-R6,R13,R17_100K 1/4W Resistors R7,R15__________1M 1/4W Resistors R8_____________50K 1/2W Trimmer...
View Articleparking sonar
FEATURES: automatic switch on on rear gear led-bargraph display audible bleep on last led “good old” design style, no microcontrollers! Based on an ultrasonic amplifier from an article seen on a 1982...
View Articleparking aid senses distance to rear of v
Three LEDs signal bumper-barrier distance Infra-red operation, indoor use Circuit diagram: Parts: R1_____________10K 1/4W Resistor R2,R5,R6,R9_____1K 1/4W Resistors R3_____________33R 1/4W Resistor...
View Articlefuel injector pulse width monitor
Here is a picture of the faceplate that holds the LED bargraphs for air/fuel and pulse width as well as the pot to control the fuel mixture above 7psi boost. The switch allows either the primary or...
View Articlefcd fuel cut defencer
There has been a great deal of interest on the Team FC3S list in a cheaper (and if possible, superior) alternative to the expensive FCD`s offered commercially. This is understandable given that no...
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