Introduction:  This is a high performance metal detect item designed for security.  NOTE: This kit requires self-assembly.     Application:  1. Game entertainment.  2. Security check.  3. Search for metal products. ...

Feature:     With more than 200pcs components.  With a precision potentiometer, better quality.  With basic transistor and IC components.  Comes with a plastic storage box for portable use.     Package...

Description:     Power supply: DC3-5V;  Board size: 60*85mm.     Package included:  20 * Metal Detector Electronic DIY Kit  

Description:     Board size: 17 x 23mm.  This kit needs the buyer to weld and install by himself. It is suitable for beginners, enthusiasts and students in welding and assembling...

Note: This is a DIY kit, you need to assembly it, we supply schematic diagram only.    Feature:    Constant current output;  Wide operating voltage: 3.5V - 12V;  ALC circuits do...

Feature:     Plastic bag package only.  24 in 1 sensor kit for  UN0 R3, this kit includes temperature sensors, rotary encoders, high sensitivity microphones commonly used in study, each module...

Package Included:  2 x DIY FM Radio Electronic Welding Kit

Package Included:  1 kit includes:  10 x White LED；  10 x Yellow LED;  10 x Blue LED;  10 x Green LED;  10 x Red LED;  1 x RGB LED;  2 x Photoresistor;  1 x Thermistor;  5 x Diode Rectifier (1N4007);  5 x NPN Transistor (PN2222);  1 x IC 4N35;  1 x IC 74HC595;  10 x  Button (small);  1 x Active Buzzer;  1 x Passive Buzzer;  1 x Precision Potentiometer;  10 x 22pf Ceramic Capacitor;  10 x 104 Ceramic Capacitor;  5 x Electrolytic Capacitor (10UF 50V);  5 x Electrolytic Capacitor (100UF 50V);  10 x Resistor (10R);  10 x Resistor (100R);  10 x Resistor (220R); ...