There are two options for you to choose from:  Semi-finished product: No soldering required but self-assembly required.  DIY KIT: PCB needs to be soldered and self-assembled.     Description:  Compared with...

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...

Feature: Product Name: Photosensitive Robot; Product model: SFT-Q03YH; Supply voltage: DC3-5V; Battery type: CR2032 button battery; Sensing device: photoresistor; Power source: 0827 vibration motor; Tail Lights: Red LED 5MM; PCB size: 40*43*1.6mm; PCB material: FR-4; Note: This kit requires self-assembly.   Package...

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...

Feature:  There are 4 options, please confirm the option you need before placing an order. To avoid unnecessary misunderstandings.  Note that there will be orange color in the selection box...

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. ...