Car Bike Circuits
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In this circuit, IC1A and IC1B act as a monostable multivibrator. Any input from the sensors SI through.. -
With a single IC, you can build a simple, reliable auto burglar alarm or a similar alarm. See (a) for the timing informatio.. -
In the wiper-delay schematic shown, with the ignition on, Dl maintains regulated +12 Vdc. When SI closes.. -
This electronic ignition circuit is intended to be inserted into a car"s conventional ignition system. In effect, it re.. -
The windshield wiper interval circuit presented here is very compact and is noteworthy for its use of .. -
At the heart of the CD4-MX is an astable multivibrator, built around Q1 and Q2, that feeds step-up transformer Tl. The output of 1 is rectified by D3 to D6 and used to charge capacitor C4. When the points close, a small voltage is fed to the gate of SCR1,.... -
STS schematic. The Q2 gate voltage increases with the charge on C3. After 15 seconds of charging, the buzzer will warble. As the charging continues, the sound will grow louder.Circuit waveforms. Point A shows the signal from the flasher. The voltage at.... -
If you live in the frozen north, knowing your engine-block heater is working is a comfort. This device will let you know if yours is okay. Plug in PL1 to your power outlet. NE1 should light. Then, plug in the block heater. Depressing SI should cause the.... -
This alternator regulator uses a 3-transistor dc amplifier, and is designed for a pulled up field system, where one side of the alternate field returns to the +12-Vsupply, and the other end is pulled toward ground... -
This regulator is for the purpose of controlling a dc generator. The field configuration is that one side of the field is grounded. D4 prevents the battery from discharging through the generator and takes the place of the mechanical cut-out relay... -
This battery saver circuit can automatically turn off a small piece of test equipment after a desired period of time, allowing you to leave your shop worry free.This circuit uses a CD4011IC to act as a simple timer. One section acts as an RC discharge timer.... -
This circuit uses the 555 timer in the asta-ble or oscillatory mode. The length of time the timer is off is a function of the values of CI, R2, and R3. The potentiometer which controls the amount of "hesitation".. -
A diode (IN4148) is used as a temperature sensor. IC2 is an A/D converter with BCD output. A refere.. -
The circuit, is based on a commercial temperature sensor (TS6178) and an MC3334P ignition chip, When the radiator temperature increases, the sensor pulls the base of Q2 low via Ql, which is wired as a diode. Q2`s collector thus goes high and triggers IC1,.. -
Because the power controller is powered from the vehicle`s accessory switch, the load can receive power only when the ignition key is on. Using half of a dual flip-flop (CD4013), a load of up to 10 A is controlled by a momentary pushbutton. This circuit was.... -
When the ignition switch is on, relay K1 is energized continuously, and the headlights can be turned on. Turning off the ignition turns on timer IC1,which keeps IC1 energized for a time determined by Rl and CI. With the values shown approximately a 1 minute.... -
This circuit determines the cold cranking amps of a battery by first discharging the surface charge, then checking the internal resistance. This gives a more realistic measurement than simply measuring the instantaneous drop in voltage with a load. A.... -
The monitor is a simple voltage comparator in which a car battery serves as the battery for operation. The input voltage to the comparator is set by adjustment potentiometer PI, which must be adjusted so that the green LED L2 is on when the alternator is.... -
The SN75604, with input control logic but requiring only one supply rail, can be used in the "lights on" sensor and alarm driver. The device Vqq and enable inputs are connected to a voltage lead from the light switch. The direction control input is connected.... -
The circuit is used to indicate two different water temperature trip points by turning on LEDs when the temperatures are reached. The circuit is constructed around the LM2904 dual operational amplifier powered from the 12 V auto system. The thermistor is in.... -
The circuit warns car drivers when the air temperature close to the ground approaches 0°C, thereby indicating possible formation of ice on the road surface. Op amp A1 is wired as a voltage level sensor. Op amp A2 is wired as an astable multivibrator which,.... -
The Digi-Tach contains a master-clock circuits (U6)v latch and reset pulse generators (U2-b-U2-d), input signal bonditioner (Ul, U2-a), pulse counter (U3), display and display drivers (DIS1, DIS2, U4, and U5), and a voltage regulator (U7)... -
The relay which applies power to the wiper motor is actuated at periodic intervals by the timer circuit, closing the wiper motor contacts. Potentiometer R1 serves as the pulse rate control and potentiometer R5 as the pulse width control. .. -
U1 is configured to operate in the standard astable mode, providing a form of relaxation oscillator. When power is applied, C2 initially charges through Rl, R2 and R3 to two-thirds of the supply voltage. At that point, U1 senses that its threshold voltage at.... -
A flip of 51 puts the system in action. Power for the circuit is captured from the ignition switch, and circuit receives no power until the ignition switch is closed. When the camera is turned on, the capacitor C1 is charged and the emitter follower.... -
model airplanes, boats, cars and use of ignition of glow plugs for their miniature (O. Bcc to 15cc) internal combustion engines. These engines happen with the heavy batteries on board, HT coil, and "condenser" spark required for ignition classic, while.... -
The circuit provides a windshield wiper delay, dynamic braking and windshield wipers when they reach the rest position. This prevents the blades passing, which could lead them to stop at a point where they interfere with the vision of drivers. With the.... -
A Mitsubishi Pajero car audio, fault phenomenon is silent, and the rest feature to work, the search for the amplifier IC TA8205AH damage. TA8205AH Toshiba company produces 22W .. -
An automobile permanent magnet alternator failure, the phenomenon of cars at night driving, headlights suddenly increase in brightness, then goes out. Analyzing the generator v.. -
Anatomy of the two ignition experiments, measuring the three normal ignition, found a common problem, and both ends of the ignition coil has a diode. Why manufacturers do this .. -
Between fixed loudspeaker that period. Its outer diameter must be consistent with the paper tube diameter to facilitate fixed speakers, and in its outer open on a walk trough, .. -
Chizuru 100Hz channel frequency pulse charging electric bike battery circuit Shown as Chizuru 1.00 I-Lz letter frequency pulse electric bicycle battery charging circuit. Freque..
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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