PN532 NFC/RFID Controller Shield for Arduino
- PN532 chip-set
- Operating Voltage : 3.3V ~ 5v
- Support I2C, SPI
- I2C: 3.3V ~ 24V TTL
- SPI: 3.3V TTL with 100-ohm resistors in series
- Plug and play, Arduino compatible
- Built-in PCB Antenna
- Communication distance:10cm
- Easy to change mode
- NFC/RFID PN532 shield including a tuned 13.56MHz stripline antenna
- 36-pin 0.1" header for attaching the shield to an Arduino.
- Compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
16×2 (1602) LCD Keypad Shield
- Operating Voltage:5V
- 5 Push buttons.
- RST button to reset Arduino program.
- Integrate a potentiometer for adjusting the backlight.
- Expanded available I/O pins.
- Blue light with white characters.
- Uses 4 Bit Arduino LCD Library
- Screen contrast adjustment
- Arduino Reset button
- The keypad consists of 6 keys select, up, right, down, left and reset.
- To save the digital IO pins, the keypad interface only uses one ADC channel.
- The key value is read out through a 5 stage voltage divider.
Protosheild For Arduino
- Standard 0.1"x0.1" prototyping grid with big pads
- Comes with Stacking headers and plain header, choose whichever you want when soldering together
- IC pattern for adding DIP ICs up to 20 pins
- Power rails down the middle and sides
- Reset button and an extra general use button
- 2 3mm general use LEDs, red and green, as well as 2 matching resistors
- A pass-thru ICSP stacking header so you can stack any kind of shield on top, and/or use an AVR programmer
- A surface-mount chip area for up to 14 SOIC size parts
- Compatible with tiny breadboards
- Every pin is brought out
- Gold plated pads
- 2 x 0.1uF capacitors on either side for extra power stability
RELAY SHEILD
- Every channel maximum convert voltage: AC 125V / DC 24V
- Every channel maximum converts current: 3A
- Interface via digital I/O pins 4,5,6, and 7
- Relay screw terminals
- Standardized shield shape and design
- LED working status indicators for each relay
- High quality relays
- COM, NO (Normally Open), and NC (Normally Closed) relay pins for each relay
- Update pin SCL, SDA, IOREF, NC.
- Arduino,Crowduino,Seeeduino,Arduino Mega compatible
- Automatic control and manual control
- 4 mechanical relays with photo-coupled circuit
- 3-M3 screw hole easy to install
- Driven by 5V / 3.3V normally open contact close
Pro Micro 5V 16M Mini Microcontroller Development Board For Arduino
UNO R3 +WiFi ATmega328P+ESP8266 Module CH340G Compatible For Arduino Uno
- Microcontroller: ATmega328IC
- Wi-Fi: ESP8266
- USB-TTL converter: CH340G
- Power Output: 5V-800mA
- Power input USB: 5V (500mA max.)
- Power input VIN/DC Jack: 9-24V
- Power Consumption: 5V 800mA
- Logic Level: 5V
- WiFi: 802.11 b/g/n 2.4 GHz
- USB type: Micro USB
- USB Clock Frequency: 16MHz
- Operating Supply Voltage: 5V
- Digital I/O Pins: 14
- Analog I/O pins: 6
- Memory Size: 32Mb
- Interface Type: serial
- Operating temperature: −40С°/+125С°
- Dimensions (L×W)mm: 53.34×68.58
Dual Monster Moto Shield VNH2SP30 Motor Driver 2x14A (Peak 30A)
- Driver Model: VNH3ASP30
- Current sensing available to Arduino analogue pin
- Operating Voltage: 12 V to 16V DC
- Peak Current: 14A
- Continuous Current: 30A
- of Channels: 2
- Maximum PWM frequency: 20 kHz
- MOSFET on-resistance: 19 m (per leg)
- Thermal Shutdown protection
- Under-voltage and Overvoltage shutdown.
- LED Indicator
- Dimensions: 60 x 54 x 12mm
- Weight: 19gm
SIM800A Quadband GSM / GPRS Module convertible as Shield for Arduino
- Quad-Band GSM/GPRS 850/ 900/ 1800/ 1900 MHz.
- GPRS class 2/10.
- Input Voltage: 9V-12V DC.
- Control via AT commands (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT command set).
- Configurable baud rate.
- Built-in SIM Cardholder.
- Built-in Network Status LED.
- 5V interface for direct communication with MCU kit.
- Inbuilt Powerful TCP/IP protocol stack for internet data transfer over GPRS.
- Low power.
- SMA connector with GSM L Type Antenna.
- Headphone jack for audio out.
- Li-Po battery 3.7-volt pins for supply.
- Li-Po battery USB charger (3.7volts).
- CP2102 port for communication with a laptop.