Description:  Kit Name: Analog Electronic Candle.  Board size: 42mm*33mm.  Circuit board material: glass fiber.  Working voltage: DC 5V.  Board function: simulate ignition, blow candles, fun, and realize the function of electronic candle.  The kit needs to be soldered and installed by the buyer.    ...

Description:  This DIY kit is a unique circular music spectrum display composed of two kinds of LEDs. The inner circle is designed by 10 full-color LEDs. The inner circle can produce different color variations according to different music dance. The outer circle is designed by white LEDs. The effect 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. Extreme operating voltage: 550V . The maximum count rate: 25 times / min. ...

Description:  This is compatible R3 Mega2560 ATmega2560-16TW (upgrade version) control board with USB cable.  This is an ATmega2560 as core microcontroller development board itself has 54 groups digital I / O input / output terminal (14 groups do PWM outputs), 16 sets of simulation...

Description:  This is compatible R3 Mega2560 ATmega2560-16TW (upgrade version) control board with USB cable.  This is an ATmega2560 as core microcontroller development board itself has 54 groups digital I / O input / output terminal (14 groups do PWM outputs), 16 sets of simulation...

Power Supply Module 830 Hole Breadboard Resistor Capacitor LED Kit -2021.    Feature:  Packing: Plastic box packaging.    Package includes:  1 x Power Supply Module (WARNING: Pls. do not use the voltage higher than 9V);  1 x 830 hole Breadboard;  1 x 65pcs Jumper...

Description:  You can customize the color you like, 16 million colors can be controlled at will, and there are 5 display modes in the design.  Custom color.  Rainbow.  breathing.  Simultaneous gradient.  Test mode.  Built-in button battery, and it will not be affected by power...

Description:  Support Scratch Mixly Mblock and APP control.  With 34 lessons, including more than 50 kinds of electronic devices and a data CD.  Every course has a detailed PDF manual including module introduction, the experiment purpose, the experiment principle, circuit diagram, source code, physical...

Description: 1. The time, year, month, day and week are displayed on the power on nixie tube. Temperature measurement every 6 seconds -Nixie tube display includes 7 modes (can be switched by a key, sorted by switching order).  -60 RGB lights power on display simple clock mode, including 10 modes can be switched.  2. The alarm clock can be set. Pick up a certain angle or shake the clock to turn off the bell.  3. Support infrared remote control.  4. One key switch, which can be turned on by vibration or sound after closing.  5. Switch RGB and nixie tube respectively.  6. One key end setting.  7.12/24 hour switching.  8. Temperature 5-level calibration, default is 3, adjustable 1-5.  9. Four way alarm clock.  10.13 kinds of alarm rings can be selected (arranged in the order of clock setting).  11. The alarm time is 5 minutes. You can press the physical key B or use the power of the remote control or tilt the ball switch to stop the alarm.  12. Size: 145mm*145mm.  Package Included: 1 x DIY RGB Round LED Electronic Clock Kit

Description:  This is a small technology kit, to exercise child's hands-on ability. Package included: 1 x DIY solar car kit

Introduction:    3D 8*8*8*8 LED cube is a DIY kit. User should weld and install it.  3D8 is the all-in-one a work of art, such as a C language, elect ronic technology. It is reality, economical and highly cost effective. It doesn't just use...

Feature:   This is a high quality regulated power supply kit with adjustable output voltage from 0-30V and current from 2mA to 3A.  When the output current is greater than the set current, LED light, the circuit automatically switches to constant current mode, which...

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 conjunction with the use of two-phase development board, can be used directly plug, easy...

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 thickness).  Weight: 130g (including housing) 67g (excluding housing).  Type: With housing DIY kit/ Without...

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 the reserved position, there is no actual use, the package is not included.   ...

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;  Extreme operating voltage: 550V;  The maximum count rate: 25 times / min;  Life: >...

Specification:  Name: Colorful Digital Clock Kit;  Chip: IAP15W413AS; DS1302;  material: plastic;  Net weight: 100g;  Power supply: USB;  Size: 140*32*40mm.     Package included:    1 x Colorful Digital Clock Kit

Description:  This tube clock is designed by different colors and dimensions of 60mm x 160mm.   it can show the big size digits and the led color block. That makes the clock looks more amazing.  The backlight color can be auto change and refract the...

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 in the figure time is: 17: 31: 48). Additional upside down will be placed...

Description:  With the big size LED music spectrum design, it can show the excellent effect of the sound waves, simple design and easy connect, it's suitable for the electronic basics enthusiast.  it can change the different display modes and the sensitivity adjustment.  it can use...