Product DescriptionNote: This is a DIY kit, you need to assemble it, easy to install, not supply instructions.Working principle: When no light hits the photosensitive resistor, the transistor turns on and the buzzer gets the power to start tweet..

Product DescriptionFeature: White noise signal commonly known as noise, similar to the noise floor of the radio. Use is very wide, such as testing and treatment of insomnia and so on!DC 12V power supply.  Two-way signal output: J1..

Product DescriptionDescription:Commonly used in smart home and other areas of strong power.Combined with the raspberry network function, you can achieve the remote control of home appliances.Features:- Only compatible with 40Pin raspberry pi- Su..

Product DescriptionHow it light:Feature: Name: HV-1 high-pressure igniter (DIY kit, you need to assemble it)Input voltage: DC3-5VInput current: 3AOperating current: no less than 2.5AWorking mode: self-excited oscillation boostWorking frequency: ..

Product DescriptionDescription:Working voltage: DC 5VWork effect: speed can be adjustedSize: 40 x 50mmNote: it is not soldering finished product, it is diy kit.Circuit principle: The circuit is based on the control of the microcontroller, the mi..

Product DescriptionNote: This is a DIY kit, you need to assemble it, no instruction supply.Sepecification: Input voltage: AC 12-17V (No direction)Output voltage: DC 8-14V (adjustable)Output current: 500mABoard size: 4.9 * 3.5cmQuantity: 5pcs&nbs..

Product DescriptionFeature: White noise signal commonly known as noise, similar to the noise floor of the radio. Use is very wide, such as testing and treatment of insomnia and so on!DC 12V power supply.  Two-way signal output: J1..

Product DescriptionFeature:1. Sensitivity: -47dB ± 4dB2. Sensitivity reduce: -3dB at 1.5V3. Working Voltage: 4.5V4. Frequency response: 100 ~ 16kHz5. SNR: More than -67dB6. Cable length: 0.7-0.9MThe effective distance of 2 meters or morePackag..

Product Description Features:- Provide pre-reserved slots enable you access to the mainboard all ports.- Clear acrylic protective enclosure for Raspberry Pi Zero /Zero W Development Board.- Compatible with Raspberry Pi Zero / Zero Package I..