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Ultrasonic Radar Detection Electronic Kit&nbsp;1*CH340 R3 Board with cable1*Sensor Shield V5.01*20cm Female to Female 20Pin Solderless Jumpe1*128*160 Resolution 1.77" 1.8" LCD display TFT Module ST7735 lC Welding stitch1* Ultrasonic Sensor HC-SR041*SG90 180 Degrees 9G Micro Servo Motor1*small screwdriver1*Set of Planks1 *Pack of Screws1*Grids Plastic box

DIY Ultrasonic Car Kit1* MICro:Bit Board 1* USB Cable For MICro: Bit 1*&nbsp;expansion&nbsp;board&nbsp;V2.0&nbsp;Python&nbsp;programming 2*&nbsp;1&nbsp;Channle&nbsp;Tracing&nbsp;Sensor&nbsp;Module 1*&nbsp;Ultrasonic&nbsp;Sensor&nbsp;HC-SR04 1*&nbsp;HC-SR04&nbsp;Ultrasonic&nbsp;Sensor&nbsp;Mount&nbsp;Bracket&nbsp;Holder&nbsp;with&nbsp;Screws 1*&nbsp;20cm&nbsp;Female&nbsp;to&nbsp;Female&nbsp;20Pin&nbsp;Solderless&nbsp;Jumper&nbsp;Breadboard&nbsp;Wires 2*&nbsp;Intelligent&nbsp;Car&nbsp;Gear&nbsp;Motor&nbsp;with&nbsp;cable 1*&nbsp;Aluminum&nbsp;alloy&nbsp;smart&nbsp;car&nbsp;Color---Blue,Red,purple 8* Copper Cylinder M3*8mm 4* M3 10mm Screw And Nut 1* USB Cable Power Apply---6v-9v; Input Voltage 7v-12v

Solar Photoresistor light tracking system kit1* &nbsp;CH340G R3 Board&nbsp;1* &nbsp;Sensor Shield V5.0&nbsp;1* &nbsp;Photosensitive Resistor Module&nbsp;1* &nbsp;"SG90 180 Degrees 9G Micro Servo Motor"&nbsp;1* &nbsp;Solar Cell63mm*98mm&nbsp;1* &nbsp;20cm Female to Female 20Pin Solderless Jumper Breadboard Wires&nbsp;1* &nbsp;Set of Planks&nbsp;1* &nbsp;1 Pack of Screws&nbsp;

Rainy Environment Detection Kit1* &nbsp;CH340G R3 Board 1*&nbsp;Sensor&nbsp;Shield&nbsp;V5.0 1* L9110 Fan Motor Module 1*&nbsp;LDR&nbsp;Photosensitive&nbsp;Resistance&nbsp;Sensor&nbsp;Module 1* LCD 1602 I2C module 1* 5V 1 Channel Relay Module 2*&nbsp;SG90&nbsp;180&nbsp;Degrees 1*&nbsp;Passive&nbsp;Buzzer&nbsp;Module 2*&nbsp;3-color&nbsp;full-color&nbsp;LED&nbsp;SMD&nbsp;Module 1*&nbsp;HC-SR501&nbsp;Human&nbsp;body&nbsp;Pyroelectric&nbsp;Infrared&nbsp;sensor&nbsp;PIR 1* MQ-2 Gas Sensor Module Smoke Methane 1*&nbsp;CC2540/CC2541&nbsp;Serial&nbsp;Bluetooth4.0&nbsp;BLE&nbsp;Module 1*&nbsp;Water&nbsp;Level&nbsp;Sensor&nbsp;Depth&nbsp;of&nbsp;Detection 2*&nbsp;Key&nbsp;Button&nbsp;Module 1* 20cm Female to Female 60Pin Jumper Wires 1* 20cm Male TO Female 20Pin Jumper Wires 1*&nbsp;6AA&nbsp;Batteries&nbsp;Storage&nbsp;Box&nbsp;Holder 1*&nbsp;Screw&nbsp;bag 1* plank

Smart Home System Kit1* &nbsp;CH340 R3 Board with cable 1* Sensor Shield V5.0 1* RC522 RFID Module with IC Card 1* JDY-18 Bluetooth module 4.2 1* Passive Buzzer Module 1* Horizontal micro submersible pump 1* DS1302 Real Time Clock Module 1* IR Infrared sensor Module 1* MQ-2 Gas Sensor Module 1* 4 Bits TM1637 Digital Tube LED Clock Display Module 1* IR Infrared Flame Thermal Temperature Sensor 1* BMP180 GY-68 Digital Barometric Sensor Module 1* Water Level Sensor Depth of Detection 1* L9110S Motor driver 1* Creative Traffic Light LED Display Module 1* LDR Photosensitive Resistance Sensor Module 1* L9110 Fan Motor Module Firefighting Robot 1* LCD 1602 I2C module 1* 38KHz Infrared receiver Module 1* TTP223B Digital Touch Sensor Switch Module 1* DHT11 Digital Temperature Sensor Module 1* IR mini remote control 1* Ultrasonic Sensor HC-SR04 3* MG90S Metal Gear Servo 1* small screwdriver 1* TTP229 Digital Touch Module 16 Channel 1* 6AA Batteries Storage Box 1* 40cm Female to Female 60Pin Solderless 1* Set of Planks 1* 1 Pack of Screws 1* cardboard box

Overview：In this tutorial we will connect a MAX7219 and scroll the text across.Since these modules use the MAX7219 LED driver chip, we will be able to turn onand off the 64 LEDs of each module, using only 3 pins on our UNO.Component Required:&nbsp;1 x Uno R31 x Dot matrix light16 x F-M wires (Female to Male DuPont wires)1 x RC522 RFID module7 x F-M wires (Female to Male DuPont wires)

<table border="0" cellpadding="0" cellspacing="0" height="534" style="border-collapse:collapse;width:263.57pt;" width="388"><tbody><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">Kit List</td><td style="width:34.30pt;" width="50">Qty</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">8*8 Dot Led Matrix Module MCU LED Display Control Module MAX7219</td><td style="width:34.30pt;" width="50">1</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">（Common Cathode）0.56inch single LED segment display</td><td style="width:34.30pt;" width="50">1</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">0.56inch 4 digital 7 Segment LED Display（Common Cathode&nbsp;）</td><td style="width:34.30pt;" width="50">1</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">Resistance 220 Ohms /1K/10K (10pcs/each)</td><td style="width:34.30pt;" width="50">30</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">LDR 5516 photoresistor</td><td style="width:34.30pt;" width="50">3</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">10K Single Union Potentiometer</td><td style="width:34.30pt;" width="50">1</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">5MM LED Diode Yellow/Green/Red(5pcs/each)</td><td style="width:34.30pt;" width="50">15</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">SW-520D ball switch/switch tilt switch</td><td style="width:34.30pt;" width="50">2</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">Flame Sensor or 940nm Infrared receiving F5MM&nbsp;</td><td style="width:34.30pt;" width="50">1</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">IR Infrared Receiver TL1838 VS1838B 38Khz</td><td style="width:34.30pt;" width="50">1</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">Active Buzzer（5V）</td><td style="width:34.30pt;" width="50">1</td></tr><tr height="41" style="height:27.95pt;"><td height="41" style="height:27.95pt;width:229.50pt;" width="337">Passive &nbsp;buzzer</td><td style="width:34.30pt;" width="50">1</td></tr></tbody></table>

<ol>
	<li>Terminal Strip: tie-point 300</li>
	<li>Distribution Strips: tie-point 100</li>
	<li>Size: 8.3 x 5.5 x 0.85cm</li>
	<li>Material: ABS PLA</li>
</ol>

<ol>
	<li>LCD1602 HD44780 Character LCD Display Module</li>
	<li>LCM Blue Backlight 16x2 for Arduino</li>
	<li>Power supply voltage: +5 V</li>
	<li>Support the I2C protocol</li>
	<li>With backlight and contrast adjustment potentiometer</li>
	<li>4 Line Output easier</li>
	<li>Size: 80x36x54mm</li>
</ol>

<ul>
	<li>It is like a game console joystick, you can control the joystick module input x, y, z of PS2 joystick game controller module Joystick Values, and to achieve a particular value in a function, it can be considered a combination of buttons and a potentiometer.</li>
	<li>Data Type of x, y dimension for the analog input signal is a digital input signal z dimension, therefore, x and y connected to the analog port Pin sensor end, and z port is connected to the digital port.</li>
</ul>

1. Driver chip: L298N dual H-bridge driver chip 
2. Drive section terminal supply area VMS: +5 V ~+35 V 
3. Drive section peak current Io: 2A / Bridge 
4. Logical part of the terminal supply area VSS: 4.5-5.5V 
5. Logical part of the operating current range: 0 ~ 36mA 
6. Control signal input voltage range: 4.5-5.5V High Low 0V 
7. Maximum power consumption: 20W 
8. Storage temperature: -25 ~ +130 
9. Driver Board Size: 55mm x 60mm x 30mm 
10. Other features: control direction indicator, power indicator, within current detection logic portion of the plate to take power interfaces

<ul>
	<li>The extension board can be used for carving machine, 3D printer driver expansion board, a total of 4 way of stepping motor driver module slot, can not into the motor drive 4 road, and every step motor all the way only need two IO mouth.</li>
</ul>

<ul>
	<li>Supported Arduino board: Compatible with the Arduino</li>
	<li>Duemilanove (168 or 328), Uno as well as Mega, 1280/2560</li>
	<li>Network (IP) stack capable: TCP and UDP</li>
	<li>Other feature: Micro SD card slot</li>
	<li>Chip: Wiznet W5100 Ethernet Chip</li>
	<li>Allows your Arduino to connect to the Internet through an Ethernet cable</li>
	<li>Weight: 30g</li>
</ul>

<ul>
	<li>USB to serial chip CH340G Controller ATmega328P-AU&nbsp;</li>
	<li>Input Voltage (recommended) 7-12V&nbsp;</li>
	<li>Digital IO pins 54 (of which 15 provide PWM output)&nbsp;</li>
	<li>Analog input pins 16 DC Current per I/O Pin 40 mA SRAM 8 KB&nbsp;</li>
	<li>Clock Speed 16 MHz&nbsp;</li>
	<li>Operating voltage 5V&nbsp;</li>
	<li>Input Voltage (limits) 6-20V&nbsp;</li>
	<li>PWM channel 15&nbsp;</li>
	<li>Flash Memory 256 KB of which 8 KB used by bootloader</li>
</ul>

<ul>
	<li>Controller ATmega328P-AU USB to serial chip CH340G</li>
	<li>Input Voltage (recommended) 7-12V</li>
	<li>Digital IO pins 14 (of which 6 provide PWM output)</li>
	<li>Analog input pins 6 DC Current per I/O Pin 40 mA</li>
	<li>USB Port type B</li>
	<li>USB Clock Speed 16 MHz</li>
	<li>Operating voltage 5V</li>
	<li>Input Voltage (limits) 6-20V</li>
</ul>

<ul>
	<li>Wireless Bluetooth RF Transceiver Module serial RS232 TTL HC-05</li>
	<li>Support Master and Slave mode, modify by AT commander</li>
	<li>This Module can easily transfer the UART data through the wireless Bluetooth</li>
	<li>Without complex PCB layout or deep knowledge in the Bluetooth software stack</li>
	<li>You can combine this Bluetooth module with your system</li>
</ul>
Specifications:

<ul>
	<li>Size: 37 x 17(L x W)</li>
	<li>Operating Voltage: 3.3V</li>
	<li>Operating Frequency Band: 2.4GHz unlicensed ISM band</li>
	<li>Bluetooth Specification: V2.0+EDR</li>
	<li>Output Power Class: Class 2</li>
	<li>Flash Memory Size: 8Mbit</li>
</ul>

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