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DC 5V Green DIY LED Electronic Hourglass Kit Soldering Practice Spare Parts Module
Product DescriptionFeature: Working voltage: DC3.3-5V or 3*AA batterySpeed: AdjustablePCB size: 74.4 x 43.7 x 24mmColor: Blue LEDManual: Package includes: 1 x DIY Green LED Electronic Hourglass Kit..
3pcs DIY Three Person Voter Module Kit DIY Electronic Production Kit 74HC00+74HC10
Product DescriptionDescription: Three-person voting device, designed with 74HC00 + 74HC10, three judges each control one of the three buttons S1, S2, S3, with the principle of minority subordinate to the majority of voting events, press agree, otherwise disagree. If the vote is passed, the LED will light up, otherwise it will not light up.Circ..
Upgraded Version DIY Colorful Christmas Tree Electronic Production Kit With Power Cable
Product DescriptionDescription:Name: Upgraded Christmas Tree KitBoard size: 60*60*130mmBoard material: single-sided 1.4mm FR-4 sheetSupply voltage: 3.5V-5VNumber of LEDs: 37pcs 3mm LED, 4pcs 5mm LEDLED color: ColorfulPackage included:1 x Upgraded Version DIY Colorful Christmas Tree Kit..
5pcs DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module
Product DescriptionDescription: Hearing aids are a kind of sound enhancement products to help deaf people or elderly people; students can also use them as reading aids to amplify their voices when reciting texts in English, which helps to concentrate.Now our store is introducing a set of hearing aids made of discrete components, which is suita..
DIY Speaker Kit Loudspeaker Module with Waist Strap
Product DescriptionDescription: This product takes TDA2822 as its core and uses BTL output. It has high output power, high fidelity and clear voice. The loudspeaker housing is provided with a line input jack (on the side of the housing) and a microphone input jack (above the housing). The mode of power supply can be supplied by a single lithiu..
3pcs DIY High Fidelity Deaf Hearing Aids Audio Amplifier Kit Digital Amplifier Board Module
Product DescriptionDescription: Hearing aids are a kind of sound enhancement products to help deaf people or elderly people; students can also use them as reading aids to amplify their voices when reciting texts in English, which helps to concentrate.Now our store is introducing a set of hearing aids made of discrete components, which is suita..
DIY Sound Light Infrared Sensor Anti-theft Alarm Switch Kit
Product DescriptionDescription: Appearance size: 43 x 32mmPCB Material: double-sided 1.6mm FR-4 sheetSupply voltage: 3-5V Package Included:1 x DIY Sound Light Infrared Sensor Anti-theft Alarm Switch Kit..
DIY 6 Six Bit Big Screen Clock Kit Digital Clock Module Kit
Product DescriptionDescription: Outline size: 330 x 70mmPCB Material: double-sided 1.6mm FR-4 sheetLED quantity: 130 5mmLEDLED color: Red Package Included:1 x DIY 6 Six Bit Big Screen Clock Kit ..