Circuit description:  DC 3-14V DIY Simple LED Red Flashlight Circuit Kits DIY Multiharmonic Oscillating Electronic Sets -2021.    Specification:  Working voltage: DC 3-14V;  Size: 17 x 17 x 1mm;   ...

Description:  Material: electrical components.  Operating voltage: DC 3.7-5V.  Size: 40*20mm.  Power: 3W.     Package Included:  1 x DC 3.7-5V dual plate 3W amplifier board DIY Bluetooth speaker modification module

Feature:  Board size: 7.7 x 6.1cm;  Operating voltage: DC 4.5V-5.5V;  DC power supply, inside positive outside negative, do not connect reverse;  FM range: 87MHZ-108MHZ;  FM step: Click once step 0.1MHZ,...

Description:  1. Input: Micro USB 5V;  2. Using STM8S005 as the main control, built-in procedures, welding light pipe can be used directly.  3. Support seven clock color display (containing RGB...

Description: DC 6V-24V Mini Electric Hand Drill 385 DC Motor with JT0 Chuck Adjustable Speed DIY Tool.    Features:  - Small size, easy to carry.  - The use of silver...

Description:  DC 7V-24V Audio Input Switch Board Four-way Audio Source Switch Board Audio Signal Input Switch Board Switch Relay DIY Kit -2021.    Specification:  Voltage: DC 7V-24V, AC 6V-18V;  Function:...

Feature:  Working voltage: DC12V 2A.  Chip: AN7190.  Op amp type: 4558.  Weight: 124g.     Package includes:  1 x Amplifier Board

Feature:  Power amplifier chip: 13135.  Output power: 44W.  Working voltage: DC12~15V.  Op amp chip: 4558.  Channel output: 2.0.  Audio interface: 3.5.  Dimensions: 10cm*11cm*3.5cm.  Weight: 136g.     Package includes:  1 x Power...