Product DescriptionNote: This is a DIY kit, you need to assemble it, easy to install, not supply instructions.Working principle: When no light hits the photosensitive resistor, the transistor turns on and the buzzer gets the power to start tweeting. When there is light on the photosensitive resistor..
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 ..
Product DescriptionFeature: Two-color LED strobe fun DIY kit parts produced.Simple and practical, easy installation, low power consumption. Technical specifications: Product Name: DIY Flash KitColor: Two color in randomDimensions: 9x3cm / 3.54 "x1.18"Voltage: 3-5V Package Included: 5 x Flash Kit DIY..
Product Description 5Pcs Infrared IR Receiver Module Wireless Remote Control Kit For Arduino Description: Arduino mini infrared wireless remote control kit consists of ultra-thin infrared remote control and 38KHz infrared receiver module. This mini slim infrared remote control with 20 function ke..
Product DescriptionNote: This is a DIY kit, you need to assembly it, we supply schematic diagram only.Feature: Constant current outputWide operating voltage: 3.5V – 12VALC circuits do not need to connect diodes or transistorsThe brightness level can be adjustedThe circuit board adopts military grade..
Product DescriptionFeature: Model: AUL-10Supply voltage: DC9V-12VAudio input:0~1.5VrmsPCB size: 66 x 28mm (L x W)Light row size: 62.5 x 5 x 10.7mm (L x W x H)Two indication modes: bar indication and fire spot indication (Realized by MOD short-circuit point)Lamp row offers two kinds of vertical and h..
Product Description 5Pcs MAX7219 Dot Matrix Module DIY Kit SCM Control Module For Arduino Descriptions : The MAX7219 is an integrated serial input / output common-cathode display driver, it is connected to a microprocessor with 8digit 7segment digital LED display can also be connected to the bar..
Product DescriptionDescription: This is a kit parts. You should solder it by yourself.Transmitting audio signals through infrared signals.Instructions: Step 1: Complete the installation in the normal way following installation manual and schematic.(Please request separately).Step 2: Connec..
Product DescriptionDescription :A perfect Bluetooth audio receiver board for use.Built-in 3.5mm audio jack for audio output.Bluetooth 2.1 receive, can connect with the earphone and can also be used for power amplifier.USB interface, powered by DC 5V; with TF card slot.With 5 buttons for adjustment, ..
Product DescriptionDescription: No need to solder, can use directly Bluetooth version 4, full automatic control Having Audio automatic switching function, there is no need to change the plug line after installation, simple operation, is more convenient to use. Micro USB 5V as input powerPackage in..
Product Description Product Description:In the process of circuit signal transmission, the voltage signal will increase with the transmission distance becomes weak, the use of current transmission can avoid the signal weakening. This module is used for the end of the current signal transmission, ..
Product DescriptionDescription:Input voltage: DC 3.7-6VInput current: 0.5AOutput voltage: about 20KV (please pay attention to safety when used)High voltage type: pulse DC typeOutput current: 0.5AInput cable length: about 10cmOutput line length: about 10cmHigh voltage two pole ignition distance: 0.5c..