4×4 Keypad Board Matrix Keyboard 16 Key Buttons For Arduino
- 4×4 Matrix Keyboard Module with 16 buttons
- Small in size and hence Save space
- More convenient to use
- Expanded development application modules for single chip
- With 16 keys and an 8 pin
- The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Easy communication with any microcontroller
- Ultra-thin design
- Adhesive backing provides easy integration
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm
1×4 Key Matrix Switch Keypad
- Key Type: 4×1;
- Voltage: DC 12 Volt
- Mount Style: Self-Adherence
- Circuit Rating: 35 VDC, 100 mA.
- Contact Bounce : <=5ms
- Life Expectancy: 1 million closures
- Operation Temperature : -20 to +40 °C
- 5 pins 2.54mm pitch connector, 4×1 type 4 keys.
- Force: 250-350g
- Contact Bounce: Greater than 1s
- Cable Length: 52mm
- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- Used widely in industrial and home electronic equipment's, instruments, etc.
DB9 BreakOut Board
GSM GPRS + Camera Module A6C Breakout
- Operating Voltage: 3.3V – 4.2V
- Working Temperature: -30 ℃ to +80℃
- Boot Voltage: >3.4V
- Standby Current: less than 3 mA
- GSM/GPRS Frequency Band: including 850, 900, 1800, 1900 MHZ
- GPRS Class 10
- Sensibility: <-105
- Voice Call: Support
- SMS message: Support
- GPRS maximum speed: Download speed 85.6Kbps, Upload speed 42.8Kbps
- AT Command: Support standard GSM07.07, 07.05, and extended Ai Thinker command
- 2 UART: one for download, one for AT command
- Audio: Support digital and analog audio, support HR, FR, EFR, AMR audio code
- Camera resolution: 0.3M
Square MAX7219 8×8 LED Dot Matrix Display Module
- Driver Chip: MAX7219
- Input Voltage: 3.7 to 5.3 V
- Input Current: 320 mA
- Display Dimensions: 32x32x6 mm
- PCD Dimensions: 50×32 mm
- A single module can drive an 8 * 8 common cathode lattice
- Requires only 3 communication wires of MCU
- Cascading multiple Matrix LED Module is very easy
- The size of the display is very compact
- The PCB features M3 holes for mounting.
OV7670 Camera Module
- Model: OV7670 640X480 VGA CMOS CAMERA
- I/O Voltage: 2.5V to 3.0V
- Operating Power: 60mW/15fpsVGAYUV
- Sleeping Mode: <20μA
- Operating Temperature: -30 to 70 degrees Celsius
- Pixel Coverage: 3.6um x 3.6um
- Lens Size: 1/6″
- Vision Angle: 25 degrees
- Frame Rate: 30fps VGA
- Sensitivity: 1.3V / (Lux-sec)
- Signal to Noise Ratio: 46 dB
- Dynamic Range: 52 dB
- Browse Mode: By row
- Electronic Exposure: 1 to 510 row
- Duck Current: 12 mV/s at 60℃
- PCB Size (L x W): Approx. 1.4 x 1.4 inch / 3.5 x 3.5 cm
- Support VGA, CIF and from CIF to 40 x 30 format
- Various Pixel methods for sub-sampling; Auto Image Control: AEC, AGC, AWB, ABF, ABLC;
- Image Quality Control: Colour saturation, hue, gamma, sharpness, and anti-blooming;
- DSP includes noise reduction and defect correction; Support image scaling; Lens shading correction;
- Flicker 50/60Hz auto-detection
- Colour saturation level auto adjust
- Edge enhancement level auto adjust
- De-noise level auto adjust
- High sensitivity for low light applications
- Low voltage suitable for embedded applications
- Standard SCCB interface, compatible with I2C interface
TM1637 4 Bits Digital Tube LED Display Module With Clock Display for Arduino
- Driver Chip: MAX7219
- Input Voltage: 3.7 to 5.3 V
- Input Current: 30 mA
- Display Dimensions: 42x24x12 (LxWxH) mm
- Ease to use.
- Ease of multiplexing.
- Can use as a 4 digit display unit.
- Can use as a clock display.
- The counter project uses 7 segment display.
- 4 M2 screws positioning holes for easy installation
EP2C5T144 Altera Cyclone II FPGA Mini Development Board
- Onboard the EP2C5T144 chip.
- EPROM chip configuration using EPCS4, the size of 4Mbit.
- Onboard 50M active patch crystal (Crystal Slaughter halfback).
- Power supply with a largemouth outlet, single 5V power supply.
- Board has a power indicator and resets the switch.
- Onboard 3 SMD LED, the LED test can be done an experiment, more experiments using lead to complete.
- More IO ports and clock pins through the pin leads through these interfaces can be extended to any memory and peripherals.
- Board using a high-quality tantalum capacitor power filter.
- Support NiosII embedded CPU development.
- Board Dimension (LxWxH) mm: 72 x 52 x 13mm.
- Weight: 26gm.
Altera MAX II EPM240 CPLD Development Board
- Onboard the EPM240T100C5N chip.
- EPROM chip configuration using EPCS4, the size of 8Kbit.
- Onboard 50M active patch crystal (Crystal Slaughter halfback).
- Power supply with a largemouth outlet, single 5V power supply.
- Board has a power indicator and resets switch.
- More IO ports and clock pins through the pin leads through these interfaces can be extended to any memory and peripherals.
- Board Dimension (LxWxH) mm: 72 x 52 x 13mm.
- Weight: 21gm.
