3pcs round nfc

Description: Support all NFC cellphones Chip: Ntag 203 Storage capacity: 144 bytes Reading range: 0~3cm Reading/Writing time: 1~2ms Rewritable times: >100,000 Data keeping time: >10 years With water resistant Note: will not work on metal surfaces Size: 25 x 25 x 1 mm / 0.99 x 0.99 x 0.04 inch Net Weight: 2 g / 0.07 oz 3 pieces round NFC smart tags Use high performance Ntag 203 chip inside Fast reading and writing speed Can set lost of functions,convenient for your life and job You can download and install the NFC“Trigger” app form either the Google Play store or other apps market Note:  Please pre-install the "NFC Tasks" and "NFC Tools" on your cell phone before use. You can download them from Google Play or below address: http://www.nfchome.org/nfc-app Package Include:  3 x NFC Smart Tags Stickers More Details:  

3pcs Short Screw Connecting Fixed Screw Clip Bolt Nut Accessories with Round He Package weight: 0.07 kg Features: Can Be Used With All GoPro Accessories. Including Head Strap Chest Strap Wrist Strap Etc. Easy To Use. Stainless Steel. Package Included: 3 x Screw 3 x Nut Click here for more deals 3pcs Short Screw Connecting Fixed Screw Clip Bolt Nut Accessories with Round He 3pcs Short Screw Connecting Fixed Screw Clip Bolt Nut Accessories with Round He

3Pcs MAX7219 Dot Matrix Module MCU LED Control Module Kit For Arduino Specifications: A single module can drive an 8 x 8 common cathode lattice Operating voltage: 5V Size: 5 x 3.2 x 1.5 cm (L x W x H) LED color: Red With four screws hole, aperture 3mm With input and output interfaces, supports multiple modules cascade Wiring instructions: 1. The module left side as an input port and the output port on the right 2. To control a single module, just connect the input port to the CPU 3. When cascading multiple modules, the input port of the first module connect to the CPU, the output port connect to the input port of the second one, and so on. In the case of 51 MCU: VCC → 5V GND → GND DIN → P22 CS → P21 CLK → P20 Note: 1. VCC and GND is not reversed, it would burn the chip! 2. When the 51 microcontroller P0 port controlling, must be connected to the pull-up resistor, it is recommended that the resistance of 4.7K--10K 3. Please install lattice into the round hole first, and then insert the round hole to PCB board and weld. Face the side of lattice with words, from left to right pin order is 123456. PCB board 1st pin is square pad! 4. Electrolytic capacitors long-pin as positive, short-pin as negative; ceramic capacitor hsa no positive and negative points Package included: 3 x LED module 3 x Dupont line (5P-20cm)

White blank printable NFC tags. Roll of 100 blank Paper tags Specification: Product Category NFC tag (Paper) working frequency 13.56MHz protocol ISO14443A/ISO15693, chip: Ntag213 Reading/Writing 0.1million times ¿ service life: 10 years size Round: 25mm  material Coated paper +AL antenna  thickness:0.3-0.8 millimeter(excluding release paper) antenna thickness 0.03 millimeter reading range 1.5cm—8 cm (relative with antenna size and reader power) working temperature -25 deg C  +55deg C storage temperature -25 deg C  +65deg C

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Description: This is an easy make four-layer round led dimensional cylinder kit, it's all use DIP components. It has more than 20 kinds of special led gradient effect. Some kinds of the effect is star-flashing and lightning effect, it also has many spin move effect and led breathing effect. All of the effects is gradual change light up instead of directly light up, that makes the led animation looks more gentle. you can hang it up on the christmas tree to simulate the star flashing effect. Soldering grids of each led layer greehand would look terrible. It has a dual use round acrylic that can as a template to hold the led in place, that help you to solder each layer of the led grids more accurate and the same level. On the other hand it also use as a case to reinforce the bottom. This acrylic template is important for quality soldering, it makes the led cylinder easier and more precise. How to assemble it, click here ! Features: Using 32 Milky 5mm Highlighted Long Pin LED Display 23 Kind of LED Gradient Effect to Simulate the Star-Flashing or Lightning and other 3D LED circle Effect Each Animation has so many Random function Alll using DIP components to build,suitable for beginners Blue Round PCB Acrylic Template to help aligning the led grids to solder Switch Button to Switch the next effect Reinforce the Bottom by the Dual Use Round Acrylic Double Power Supply Option: Micro USB cable or Wire Connect Use Micro USB Cable to Connect a computer or phone charger to Supply it with the 5V Color: blue Dimensions: 43mm x 43mm x 105mm Function: 1. Use micro usb cable or power wire to supply 5V power; 2. Toggle the switch button to switch the next animation effect. Package included: 3 x DIY Blue Mini Star Flashing LED Cylinder Kit

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