Feature:  On the basic of 37 in 1 kit, adds more practical modules to achieve more experimental requirements.  Voltage: About 5V (According to the specific circumstances).  Plastic bag package only.  ...

Deceleration stepper motor:   Diameter: 28mm;  Voltage: 5V;  Stepping angle: 5.625 x 1/64;  Reduction ratio: 1/64;  5-wire 4-phase can be driven with ordinary uln2003 chip can also be used in...

Feature:  Operating voltage: 5V USB power supply.  Signal access mode: 3.5 audio line input audio signal.  Installation: DIY welding assembly.  Dimensions: 108 x 70 x 16mm (Length x high x...

Note: Note: This is a DIY kit, you need to have some knowledge of electronics and ability.  Needs a lot of soldering, you should have enough patience.  S2, S3 is...

Description: Name: Radiation Detector system;  Geiger tube parameters:  Technical parameters diameter:Φ10±0.5mm;  Total length: 90±2mm;  Starting voltage: < 350V;  Recommended operating voltage: 380V;  Minimum plateau length: 80V;  Maximum plateau slope: 10%/80V; ...

Features:  Premium one side prototype PCB printed circuit board, universal strip breadboard.  All holes are plated through, smooth and clear.  Sturdy and easy to use, the plated holes are very...

Color (Optional):  Red LED without case / Red LED with case;  Blue LED without case / Blue LED with case;  Green LED without case / Green LED with case;  White...

Description:  Use LED to produce different colors instead of numbers, if you need to know the current time, you may need some mental and memory activity (for example, as shown...