Multiple models Smart Electronics Kits NE555/CD4060 Light Water Flowing Light LED Module DIY Kit Electronic Electronic Kits
Multiple models Smart Electronics Kits NE555/CD4060 Light Water Flowing Light LED Module DIY Kit Electronic Electronic Kits
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NE555+CD4017
Operating Temperature : /
Dissipation Power : /
Supply Voltage : 2.5-14.5V
Application : Electric Toy
Condition : New
Type : Voltage Regulator
HESAI
Size : 53*19mm
Purchase Notes
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Board size. 53mm*19mm
Supply Voltage :2.5 - 14 .5 V
This package is mainly decimal counter circuit and circuit generated by the clock , from the core of the self-excited NE555 multivibrator power through R2, R3, R4 charge the capacitor C1, C1 started when charging , NE555 2 feet still in low, so the output pin 3 goes high when power through R2, R3, R4 to charge C1 to 2/3 of the supply voltage , the output pin 3 level from high to low , NE555 conducting internal discharge , capacitor C1 through R4, R3, NE555 7 feet discharge until the voltage across C1 is less than 1 /3 of the supply voltage , NE555 and 3 feet level from low to high . C1 and charge again this cycle oscillations formed . Charging time : 0.695 (R2 + R3 + R4) C1, discharge time : 0.695 (R4 + R3) C1, R4 can be adjusted to control the output frequency of the oscillator , the oscillation clock signal is applied continuously NE555 CD4017 14 feet , the output terminal 10 is connected with the CD4017 10 LED, when the output terminal 10 turns CD4017 generated clock signal is applied at a high level , the D1 - D10 are sequentially lit to form a water -light effect .
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You can adjust the flow rate adjustment R4 LED lights
Electronic Funny Kits Voice Control LED Melody Light DIY Kits Production Suite Small Electronic Learning Electronic Kits
Voltage :3-4 .5 V
PCB material: FR-4 fiberglass board
Dimensions: 34 * 34MM
Circuit functions:
After the success of the package produced five LED will be with the rhythm of music or other sounds flashing up and can be placed near the sound, allowing light to music dancers!
Circuit:
SKD5 melody voice LED lamp is mainly from the power circuit, a microphone amplifier circuit, LED light circuit. Power from the J1 input, C1 filtering supply road use. MK1 the sound signals into electrical signals, coupled to the Q2 C2 the amplified signal to the base of Q1, Q1 driver 5 by the LED light, the greater the sound, LED lights brighter.
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Prepare USB scoket by yourself if you need.
1>. You should install the minimum component at first,the components must be installed in batches:insert 3-8 components firstly,after welding these components , cut component pins, then insert the next batch of components into the next batch of the installation process, until loaded all the components.
2>. Don’t put too strength to insert the component,in case of damage the components. The correct approach is to use tools to process the component pin shape in advance,ensure that the component can be installed the circuit board successfully.
3>. The component will cross the circuit board in wedding ,in case of prevent the component from dropping because of gravity,you can bend the component’s root on the welding surface into 120 degree.
4>. The welding time should be controlled within 2-3 seconds,if the iron at high temperature then needed a short wedding time,on the contrary,if it at low temperature then needed long time. Pay attention that it is unsuitable when the iron temperature is too high or too low , otherwise it will damage components or circuit board easily.
5>. The electrolytic capacitor is divided into positive and negative, the long pin is positive.
6>. Check each part carefully, in case of mistaking.
Red Blue Double Color Flashing Lights Kit Strobe NE555 + CD4017 Practice Learning DIY Kits Electronic Suite
This suite adopts simulation light circuit made with NE555 and CD4017,the blue LED and red LED flashed alternately according to the pulse. The multivibrator composed of NE555 will have a certain frequency of oscillation signal send to CD4017 decimal counter/pulse distributor,in order to count. When the 1,3,5 pulses arrive Q0,Q2,Q4 output high level in turn,blue LED flashes 3 times,Q5,Q7,Q9 output high level in turn.Red LED flashes 3 times,blue LED flashes again when 11,13,15 pulses come,blue and red LED flashes alternately circulatory,so as to like the alarm lamp.Change the RP1 size can change the oscillation period, thus changing the LED shining speed, the whole circuit DC9-12V can be worked.
Red flashing light and blue flashing light form a board separately,connected with the main board through the stamp hole.If you need to install to other place separately or increase the distance,you should cut off through the stamp hole,then connect with the mother board by two wires.Please pay attention to the direction of LED when installing,especially the direction of L11 and L12.The R2 and R3 controls with the brightness of light,you can change it appropriately ,the range is 10-100 ohm.
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