Description:   The suite,adopt a warning lamp circuit NE555 and CD4017 chip simulation to make blue LED and red LED flashing, respectively, according to the pulse adjusting RP1 flicker frequency...

Description:   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...

Feature:   Model: EH-30.  Working voltage: DC3.3-5V or 3*AA battery.  Speed: Adjustable.  PCB size: 74.4 x 43.7 x 24mm.  Color: Red LED.    Package includes:   3 x DIY Electronic...

Description:   Kit Model: FLA-1.  Dimensions: 55 * 35 * 11.5mm.  Operating voltage: 1.5V (AAA battery, not included).    Package included:   3 x DIY FLA-1 Simple Flashlight Circuit Board...

Description:   Name: FM wireless microphone Kit.  Type: wireless microphone.  Voltage: 1.5V(1 AA battery).  Effective distance: 20 meters.    Package included:   3 x DIY FM Wireless Microphone Electronic Kit. ...

Parameter:   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...

Description: NOTE: This is DIY Item (item is unassembled) ,the item come without chip.  1. Supply Voltage: The USB socket or pin female power supply voltage and the operating voltage...

Feature: Melody audible, visual music! Five-point LED audio level indicator kit.  This package LED indication logarithmic 5:00 KA2284 integrated circuits as the core,  which is characterized as follows: 1. Constant...