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B08D7C5K5T Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 5 Votes: 3 Find similar products Hailege 2pcs RFID Kit - Mifare RC522 MFRC-522 RFID RF IC Card Sensor Module + S50 Blank Card + Key Ring for Arduino Raspberry Pi. Description: 1. MFRC522 is a highly integrated read and write chip which is applicable to 13.56MHz contactless communications. 2. It is a non-contact read and writer card chip, low voltage, low cost and small size, is a better choice for smart meters and portable handheld devices development. 3. MF RC522 completely integrated in all types of 13.56MHz passive contactless communication methods and protocols. 4. Support 14443A compatible transponder signals. The digital part handles ISO14443A framing and error detection. In addition, support fast CRYPTO1 encryption algorithms, terminology validation MIFARE products. 5. MFRC522 support MIFARE series of high-speed non-contact communication, two-way data transmission rate up to 424kbit/s. 6. As a highly integrated 13.56MHz card reader new family of chips, there are many similarities between MF RC522, MF RC500 and MF RC530, but also have many differences. Communication between it and the host SPI mode helps to reduce the connection, reduce PCB board size and cost. Electrical parameters: Operating current :13-26mA/DC 3.3V Idle current :10-13mA/DC 3.3V Sleep current: <80uA Peak current: <30mA Operating Frequency: 13.56MHz Supported card types: mifare1 S50, mifare1 S70 MIFARE Ultralight, mifare Pro, MIFARE DESFire Product physical characteristics: size: 40mm×60mm Environmental Operating temperature: -20-80 degrees Celsius Environmental Storage Temperature: -40-85 degrees Celsius Relative humidity: relative humidity 5% -95% Package Included: 2 * Mifare RC522 MFRC-522 RFID RFID Kit.	B01N47LXRA Price: $9.19 Score: 7.576 Category: Electronics Rating: 4.3 Votes: 67 Find similar products HiLetgo 2pcs CP2102 MICRO USB to UART TTL Module 6 Pin Serial Converter STC Replace FT232. Description: 1. Original chip CP2102, generate COM port after installing the driver. 2. Then the standard input MICRO MINI-USB cable connected to the computer USB interface, with 3.3V and 5V two power output 3. With a resettable fuse. In the event of accidental short-circuit can effectively protect your device and computer USB port to download 4. On-board status indicators, receiving indicator properly installed drive status indicator remains, send and receive indicator flashes when the communication with run LED indicator. 5. Support baud rates from 300bps ~ 1Mbps between 6. The communication format support: 1) data bits 5,6,7,8; 2) support 1.5, 2 stop bits; 3) odd, even, mark, space, none parity 7. Supported operating systems: windows 8.1 / 7 / vista / xp / 98, Mac OS-X / OS-9, Linux 8. USB seat MICRO MINI-USB interface Block 9. Chip components for the regular company of welding, stable quality, beautiful appearance 10. With DTR trigger signal output can be directly arduino pro mini ATMEGA328P and other Arduino board download traffic. Features: 1. Embedded USB transceiver, no external circuit device 2. Containing clock circuit, no external circuit device 3. Contains power-on reset circuit 4. The on-chip voltage regulator within the 3.3V output 5. Meet the USB2.0 specification requirements 6. SUSPEND pins support USB suspend state 7. Asynchronous serial data bus compatible with all handshakes and modulation controller interface signals 8. Support data format is 8 data bits, 1 stop bit and the parity bit 9. Connotation 512 byte receive buffer and 512 byte transmit buffer 10. Supports hardware or X-ON / X-OFF Handshake Package included: 2* CP2102 MICRO USB to UART TTL Module 6Pin Serial Converter STC Replace FT232 NEW.
B09PH3GY82 Price: $21.99 Score: 7.407 Category: Electronics Rating: 4.7 Votes: 15 Find similar products AITRIP 2PCS Pro Micro ATmega32U4 5V 16MHz Type-C Development Module Board with 2 Row pin Header Compatible arduino Leonardo Replace ATmega328 Pro Mini. Features: ATmega32U4 running at 5V/16MHz Recommend power supply for board: 6-7V, less than 9V On-Board Type-C connector for programming 4 x 10-bit ADC pins, 12 x Digital I/Os Rx and Tx Hardware Serial Connections How to use? 1. Connected to computer. (If this module cannot be recognized by your computer, please refer to this link to install the driver) 2. Opened Ard IDE and loaded Blink sketch. 3. Set board to Leonardo and selected the appropriate COM port (It showed up in the list already identified as a Leonardo). 4. Connected an LED to pin 9 and modified the sketch accordingly. 5. Hit upload and within a few seconds having a blinking LED. Package Includes: 2 x Pro Micro ATmega32U4 5V 16MHz Module ( Type-C).	B0C3C3JZ2Q Price: $12.99 Score: 6.944 Category: Electronics Rating: 4.3 Votes: 246 Find similar products Mini Nano V3.0 ATmega328P Microcontroller Board w/USB Cable for Arduino. Note: Before running the procedure, pls install the corresponding computer system driver. Drivers: directly from the chip manufacturer: WCH 340 product home page: http://www.wch.cn/product/CH340.html http://www.wch.cn/download/CH341SER_LINUX_ZIP.html (linux should operate fine without the driver) http://www.wch.cn/download/CH341SER_MAC_ZIP.html http://www.wch-ic.com/download/list.asp?id=127 (windows) http://bit.ly/2pMF4in ATmega328 Microcontroller Microcontroller ATmega328P-AU Fully Compatible to Arduino Nano V3.0 ATmega328P-AU Input Voltage (recommended) 7V-12V;Input Voltage (limits) 6V-20V Bootloader installed, ready to upload sketches from Arduino software Analog Input Pins 8 Operating Voltage 5V DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Digital I/O Pins 14 (of which 6 provide PWM output) Flash Memory 32 KB (ATmega328) of which 2 KB used by bootloader SRAM 2 KB EEPROM 1 KB Clock Speed 16 MHz Cable Length:245mm Dimention:Approx. 45x17x19mm Color:Blue(as the picture shows) Package: 1 x Nano V3.0 ATmega328P Arduino Compatible Board 1 x Mini USB Cable.
B07DWNLSMG Price: $7.99 Score: 6.944 Category: Electronics Rating: 4.2 Votes: 91 Find similar products KEYESTUDIO 3.3V 2Pcs ESP8266 ESP-01 ESP01 WiFi Wireless Serial Transceiver Receiver Module Starter Kit for Arduino R3 Raspberry Pi Project. KEYESTUDIO- specialized in creating high quality, innovative, user-friendly open source hardware, such as micro-controllers, shields, sensors, display, learning kits, robotics and more for Arduin, Raspberry PI, STM32, 51, MICRO BIT etc. It is an ultra-low-power UART-WiFi pass-through module with industry-leading package size and ultra-low power technology. It is specially designed for mobile devices and IoT applications. It can connect users' physical devices to Wi-Fi wireless network for Internet or LAN communication, achieving the networking function. Features of Esp8266 WiFi Module : 1)Support wireless 802.11 b/g/n standard 2)Support three working modes: STA/AP/STA+AP 3)Built-in TCP/IP protocol stack to support multiple TCP Client connections 4)Support various Socket AT commands 5)Support UART/GPIO data communication interface 6)Support Smart Link intelligent networking function 7)Support remote firmware upgrade (OTA) 8)Built-in 32-bit MCU, able to double as an application processor 9)Ultra low consumption, suitable for battery powered applications. 10) 3.3V single power supply.	B00SCJNV7K Availability: Currently unavailable Score: 6.944 Category: Electronics Rating: 5 Votes: 2 Find similar products Micro SD Storage Board TF Card Memory Shield Module SPI For Arduino. Features: The module (MicroSD Card Adapter) is a Micro SD card reader module, and the SPI interface via the file system driver, microcontroller system to complete the Micro SD card read and write files. Users can directly use the Arduino IDE comes with an SD card to complete the library card initialization and read-write Support Micro SD Card, Micro SDHC card (high-speed card) The level conversion circuit board that can interface level is 5V or 3.3V Communication interface is a standard SPI interface Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin; 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply; Level conversion circuit: Micro SD card into the direction of signals into 3.3V, MicroSD card toward the direction of the control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal; Micro SD card connector: yes since the bomb deck for easy card insertion and removal. Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm, easy to install positioning, to achieve inter-module combination; Specifications: Power supply:4.5V - 5.5V, 3.3V voltage regulator circuit board Positioning holes: 4 M2 screws positioning hole diameter of 2.2mm Control Interface: GND, VCC, MISO, MOSI, SCK, CS Size:45 x 28mm Net weight:6g Package Includes 1 x shield module.
B08RDDR5BB Price: $20.99 Score: 6.944 Category: Electronics Rating: 4.2 Votes: 10 Find similar products D-FLIFE ESP32 D1 Mini NodeMCU ESP-WROOM-32 WLAN WiFi Bluetooth IoT Development Board 5V Compatible with Arduino (3pcs). Energy saving The ESP32 is a chip designed with TSMC technology for extremely low power consumption (ultra-low power management), allowing for the best power and performance with its high efficiency. As the quiescent current of the ESP32 chip is less than 5 μA it is particularly suitable for use with batteries or rechargeable batteries Compatible It has a similar pin layout to the conventional D1 Mini ESP8266-12F and is therefore pin-compatible with most accessories for it. Parameter Power supply voltage (USB) 5V DC Input/Output voltage 3.3V DC Operating current min. 500mA CPU Xtensa single-dual-core 32-bit-LX6 RAM 512kB I/O Pins 34 ADC channels 18 ADC Resolution 12-bit DAC channels 2 DAC Resolution 8-bit Communications interfaces SPI, I2C, CAN, UART Max current drawn per GPIO pin 40mA WiFi protocols 802.11 b/g/n (802/11n up to 150 Mbps) Package： 3 * ESP32 D1 mini.	B07DMGM5FT Availability: Currently unavailable Score: 6.897 Category: Electronics Rating: 4.5 Votes: 127 Find similar products Nano V3.0 Micro Controller Module, UCEC USB Development Board ATmega328P CH340G 5V 16M, Compatible with Nano - 4 Pack. .
B00IF9DXMU Availability: Currently unavailable Score: 6.711 Category: Electronics Rating: 5 Votes: 2 Find similar products RFEMWSUB1G Module. .	B00FAQSMR2 Price: $14.99 Score: 6.711 Category: Electronics Rating: 5 Votes: 4 Find similar products FTDI USB to Serial Breakout Board - Three Pack of The VisiPort2. Designed, Assembled, Tested and Distributed in the USAThis item includes three VisiPortsThe VisiPort2 is a USB To Serial Module that has been designed to program Arduinos. Its small size allows it to fit into bread board where other programmers are too big and bulky. It is designed to program Arduinos. Its six pin female header connects easily to a Mini Pro with no bread board needed. It has one green LED that indicates power is applied to the FTDI chip. There are two amber LEDs to indicate when Tx and Rx are active. The VisiPort2 works with 5Volt and 3.3Volt Arduinos Use the three pin jumper in the upper right corner to select I/O voltage of the VisiPort2. This selection allows compatibility with all Arduinos. The VisiPort2 Uses a Micro USB Connector The Micro USB connector is lower profile and allows cables to connect into the center of the VisiPort2. This keeps the overall size smaller than any other programmer. The VisiPort2 has a Flexible Arduino Reset We gave the VisiPort2 jumper selectable DTR or RTS reset capability.