L293D Motor Driver Shield
- L293D motor driver chip & 74HC595 shift register
- Four H-bridges
- Terminal blocks and jumper to connect external power, for separate logic/motor supplies
- Up to 4 bi-directional DC motors with individual 8-bit speed selection
- Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping.
- 2 connections for 5V ‘hobby’ servos connected to the Arduino’s high-resolution dedicated timer
- 4 H-Bridges: L293D chipset provides 0.6A per bridge (1.2A peak) with thermal shutdown protection, internal kickback protection diodes. Can run motors on 4.5VDC to 25VDC.
- Pull-down resistors keep motors disabled during power-up
- Big terminal block connectors to easily hook up wires (18-26AWG) and power
- Arduino reset button brought up top
- Tested compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
- PCB Size: 69 x 53 mm
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
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.