Bike tail LED light flashing
Lightings
This is a bike tail LED light flashing as the planet Bike Blinky Safety. When we use the bicycle(normal bike) at night. we used IC1 IC555 Oscillator signal is output to a lot LED super bright. Present roads in good condition than the former roads, the traffic is convenient. But often car ran high speeds. When we use the bicycle(normal bike) at night. Although we will attach the reflective sheeting at the end of the bicycle. But it could be dangerous. We should attack the planet Bike Blinky Safety at the end of our bike would be better. Operation of …
Simple Brake light flasher circuit
Basic Circuits
Simple Brake light flasher circuit will allow the brake light was flashing.The default behavior. Using digital ICs and a few components, transistors to drive Lamps. When the power supply to the circuit, Or tap the brake it.The IC timer IC2 drive current to transistor Q2 and producing oscillator output, pulse signal output at pin 3 to input pin 1 of IC1-CD4024. Count pulse and stops counting after 8 pulses, with pin 2 of IC1 is reset.       The transistor Q1 will trigger the IC2, and pin 3 of IC2 change status as well.The voltage drop across R3, the voltage at Pin …
2 to 4 channel audio converter using TL071
Basic Circuits
This is 2 to 4 channel audio converter circuit using TL071, can be used on Car audio stereo systems that only have front speakers only a single page. The circuit will increase the number of speakers up to the other two to be connected to the back speakers pair. Amplifier signal circuit is a Non-inverting Amplifier using IC1 and IC2 is number TL071 op-amp IC input signal left (L) and right input signals (R) will stand at 3 (Non-inverting). Of IC1 and IC2 Non-inverting Amplifier with 22 times the growth rate calculated from R4/R3 +1. The VR1 and VR2 is …
Headlight Warning Buzzer
Lightings
Often,we find that a lot of motorist.They have forgotten to turn on light in a car when parking.then back to start the machine,it did not work,because a battery did not have a energy. but this circuit will be warning a car driver for instantly know,when we forget to open the car door or forgetting to turn off lights in the car. From this circuit picture,The transistor Q1 and Q2 are working to astable multivibrator circuit.The collector pin of the Q2 used a loudspeaker was a load’s circuit.The capacitors C1, C2 and a resistors R3, R4 was timing part’s circuit, and …
Light Flashing Car 12 Volt using LM3900
Lightings
If you have evered to use Flasher Relay 12V systematic usual mechanical , for general automobile. Today we try to come to build Circuit Flasher Relay 12V , use by oneself. By Lamp use Current 0.6A sizes were encouraged wink with 1Hz frequency. By the integrated circuit generates electricity to wink of NS number LM3909 by work from power supply source that be Car Battery 12 volt sizes. This Circuit is use Capacitors 3,300uF sizes are for integrated durable circuit builds Voltage keen excellent of power supply Source and limitting doesn’t give Voltage at feed reach 7 Volt integrated exceed …
Warn the heat in an automobile
Audio diagram
This circuit sets up in its automobile will perform to warn give testimony know before your car is will born the heat too much. By use main part electronic be IC 741 and Thermistors. By have LED Flasher with usual rate , when the temperature arrives at location value keeps with before VR1. When the temperature increases continuously LED as a result stick bright forever. By control checking temperature has with VR2. This circuit gives with power supply of an automobile has normally for the frequency of winking can fix with C1. A friend can see the detail adds in …