Product DescriptionDescription: Circuit board size: 100 x 62mmPCB Material: double-sided 1.6mm FR-4 sheetPower supply voltage: 5V power supplyLED quantity: 132 LED lightsLED color: blue, green, and red. Package Included:1 x DIY Bluetooth Module Sound Box Kit..

Product DescriptionDescription: Working voltage: DC 9-12VSuite includes a full set of component package, PCB circuit boards.Instruction content: including the working principle of the circuit principle diagram, assembly drawing, analysis, and basic component identification and the installation method and so on. Package Included:10 x ..

Product DescriptionSpecification:Working voltage: DC 3-14VSize: 17 x 17 x 1mmPackage included:5 x DIY simple red flashlight circuit kits..

Product DescriptionDescription: Appearance size: 30 x 25mmPCB Material: double-sided 1.6mm FR-4 sheetSupply voltage: 220VRated power: 100W Package Included:1 x DIY Silicon Controlled Switch Dimmer Lamp Kit ..

Product DescriptionDescription: On board, with relay action switch, relay action or reset can be freely chosen.The plate is connected with an anti protection diode, and the power supply does not burn the chip or the circuit.With relay action indicating lamp for convenient observation.Relay output switch is also charged by pin selection.Working..

Product DescriptionSpecification:Working voltage: DC 3-14VSize: 17 x 17 x 1mmPackage included:30 x DIY simple red flashlight circuit kits..

Product DescriptionDescription: This DIY kit is designed as a cute cartoon characters of Santa Claus. It has 7 kinds of LED Colorful modes of the two full-color LEDs and 7 different Christmas songs. You can get rid of the power cord with only two button batteries CR2032 supply. You can make multiple "Santa Claus" while hanging on the..

Product DescriptionDescription:The emergence of traffic lights enables traffic to be effectively controlled, which has obvious effects on diverting traffic flow, improving road traffic capacity and reducing traffic accidents. How to adopt appropriate control methods, make full use of the city highways that cost huge amounts of money, ease the traff..

Product DescriptionProduct Usage:Electronic instruments, electronic lighters, scientific small production, etc. This circuit works with a stable high-frequency arc, which is extremely high in temperature and can easily ignite combustibles. Therefore, it is called a plasma lighter.Product Parameters:Size14x14x7.8(mm)Working voltage3-5V DCWorking cur..

Product DescriptionDescription: This DIY kit is designed as a cute cartoon characters of Santa Claus. It has 7 kinds of LED Colorful modes of the two full-color LEDs and 7 different Christmas songs. You can get rid of the power cord with only two button batteries CR2032 supply. You can make multiple "Santa Claus" while hanging on the..

Product DescriptionDescription:The emergence of traffic lights enables traffic to be effectively controlled, which has obvious effects on diverting traffic flow, improving road traffic capacity and reducing traffic accidents. How to adopt appropriate control methods, make full use of the city highways that cost huge amounts of money, ease the traff..

Product DescriptionFeatures: Aperture: 18.5cm Replacing the traditional general adhesive with a professional battery holder, the combination is very convenient, the connection is more firm, and the battery maintenance is also convenient. It is the best choice for battery packs. Let's play DIY with your imagination! Package Includ..

Product DescriptionDescription: This DIY kit is designed as a cute cartoon characters of Santa Claus. It has 7 kinds of LED Colorful modes of the two full-color LEDs and 7 different Christmas songs. You can get rid of the power cord with only two button batteries CR2032 supply. You can make multiple "Santa Claus" while hanging on the..

Product DescriptionSpecification:Working voltage: DC 3-14VSize: 17 x 17 x 1mmPackage included:3 x DIY simple red flashlight circuit kits..

Product DescriptionDescription:Circuit board size: 8.45 x 5.05 cmFixed hole size: 7.9 cm x 4.48 cmShell size: long 94MM width 111MM high 50MMDC input voltage: 6-21 voltsAC input voltage: 6-15 voltsOutput DC voltage: 3-30 voltsMaximum load current: 2AMinimum input-output voltage difference: 3V (that is, the maximum output voltage can be adjusted for..