Product DescriptionSpecifications: Operating voltage: 5VLaser type: Dot laserPower: 5MwWavelength: 650n mOD: 8mmSize: 15 x 24 mm Package Included: 5 x  KY-008 Laser Transmitter  Laser Sensor Module..

Product DescriptionDescription: Circuit principle:Antenna to receive signals first enter a bandpass filter, bandpass filter function is to ensure that the 118 MHZ to 136 MHZ signal can be put into CD7358 high, other signal is maximum attenuation. CD7358 internal have a voltage-controlled oscillator at the same time, the frequency changes in D2..

Product DescriptionDescription: NE555 circuit and peripheral components constitute a multi-resonator. The output waveform is rectangular wave. By adjusting the duty cycle of the output rectangular wave, square wave can be formed. Further more, the output waveforms can be processed by integral transform circuit. The output waveforms include squ..

Product DescriptionSpecification: Working voltage: 5V.Standby current: ≤ 1mA.Working current: ≤90mA.Standby light: Yes.Extended time: adjustable 3 seconds to 130 seconds.Trigger mode: touch.Board size: 38.5mm x 28.5mm Package Included: 5 x Touch Delay Light..

Product DescriptionDescription:The newly developed primary coil of this product is already in the PCB board, no need to be wound on the outside, which is convenient for the fans to install, high efficiency and beautiful. It is a new design. This Tesla coil is safe and will not be electricity. there is no arc, it can only be used to light space. It ..

Product DescriptionParameter: Specifications: 35*60*1mm(length*width*thickness)Operating voltage: DC 12V Welding step: 1. Solder 14 resistors, 2 diodes, 3 zener diodes. Do not solder in the wrong place; pay attention to the positive and negative electrodes when welding diodes, and use the negative electrode for the white side. It is ..

Product DescriptionThe product consists of optical fingerprint sensor, high-speed DSP processor, high-performance fingerprint comparison algorithm, large-capacity FLASH chip and other hardware and software. The fingerprint module has stable performance, perfect functions, and has multiple functions such as fingerprint collection, fingerprint regist..

Product DescriptionDescription: The circuit consists of comparator U1B, discharge transistor Q1, Q2, etc. Set the forward input of the comparator to Uc, (Uc = 0.632E,The Rref is adjusted, and the measured capacitor CEx is connected to the reverse input terminal. When the pin of P15 is low level, the capacitor discharges.Note that the pull curr..

Product DescriptionDescription: This suite converts sound signals into radio signals, and restores sound to another place by wireless means using a normal FM radio.It is interesting and can also learn electronic technology to improve practical ability.The following are common uses: wireless microphones, wireless broadcasting, wireless hawking,..

Product DescriptionSpecifications: Working voltage: DC 3.8V-5.5VWorking current (5V): typical current 6mAInput and output signals (3 lines): GND, VCC is power, and VCC is 3.8V-5.5VObstacle detection time (range from obstacle-free to obstacle-free or obstacle-free to obstacle-free): <=21msWorking Principle: Sensors actively emit infrared lig..

Product DescriptionDescription:This small handheld POV spining kit designed as a white rounded triangle shape,that makes the weight of the three sides maintain balance. combined to the high-speed 608 rotation bearing,it can rotate for more than one minute and won't shake to the side.you can put it on the desktop or between the fingertips when r..

Product DescriptionFeatures:Using two imported 7805 three-terminal voltage regulator chips, the error of output voltage is small, generally in the range of 4.95V-5.05V, the maximum output current is 3A, the module input voltage is 7V-35V, and the AC is 5V-24V.The smaller the voltage difference between input and output, the larger the current that c..

Product DescriptionFeatures:Using two imported 7805 three-terminal voltage regulator chips, the error of output voltage is small, generally in the range of 4.95V-5.05V, the maximum output current is 3A, the module input voltage is 7V-35V, and the AC is 5V-24V.The smaller the voltage difference between input and output, the larger the current that c..

Product DescriptionFeatures:Using two imported 7805 three-terminal voltage regulator chips, the error of output voltage is small, generally in the range of 4.95V-5.05V, the maximum output current is 3A, the module input voltage is 7V-35V, and the AC is 5V-24V.The smaller the voltage difference between input and output, the larger the current that c..

Product DescriptionDescription: Three-person voting device, designed with 74HC00 + 74HC10, three judges each control one of the three buttons S1, S2, S3, with the principle of minority subordinate to the majority of voting events, press agree, otherwise disagree. If the vote is passed, the LED will light up, otherwise it will not light up.Circ..