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“4*4 MATRIX KEYPAD” has been added to your cart. View cart
Metal Detector
₹600.00 Original price was: ₹600.00.₹500.00Current price is: ₹500.00. inc. GST
WIFI REPEATER
₹2,000.00 Original price was: ₹2,000.00.₹1,500.00Current price is: ₹1,500.00. inc. GST
Voice Recording Module APR33A3
₹900.00 Original price was: ₹900.00.₹875.00Current price is: ₹875.00. inc. GST
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1 CHANNEL 5V RELAY
- 1 channel relay board
- Operating voltage: 5V
- Maximum current: 2 A
- Relay contact current capacity of 10A @250 V AC/10A@ 30V AC
- configured as SINGLE POLE DOUBLE THROW( SPDT)
- LED status indicates relay ON/OFF state.
- Standard TTL level logic controlled
- One normally closed and one normally opened contact
- Compatible with any 5V microcontroller
- Dimension: 43*17*17mm
- Weight: 150gm
2 CHANNEL 5V RELAY
- High current relay
- Two LED S to indicate relays ON/OFF status
- Low-level trigger expansion board
- Opto isolation circuitry
- Works with logic level signal 3.3V or 5V devices
- Can be used as normally open (NO) or normally closed (NC)
- Back EMF protection
- Ensures diode current protection
- AC control voltage: 250v @mx10A
- DC control voltage: 30V @max 10A
- Easy installation and fixing
4 CHANNEL 5V RELAY
- 4-Channel relay interface board
- Operating voltage range: 3.3V to5V
- Maximum current: 10A
- Supply current: 20 mA
- High current relay of 10A @250 V AC/10A@ 30V DC
- Control signal: TTL level
- For quick and easy connection high-quality screw terminals provided
- Pull-down circuit to avoid malfunction
- Power supply indicator
- Can control both AC & DC appliances such as DC motors, solenoid valves, lamps, etc.
- LED status indicates relay ON/OFF state.
- Standard interface that can be controlled by a microcontroller (Arduino, 8051, PIC, AVR, DSP, ARM)
- For easy accessibility input signal pin connected to burg sticks
- Operating temperature: -40 to 85 degrees Celsius
- Dimension: 76*56*17mm
- Weight: 7gm
4*3 MATRIX KEYPAD
- Operating voltage: 12V DC
- The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Ultra-thin design
- Adhesive backing provides easy integration
- Easy communication with any microcontroller
- Flexible
- Only 7 microcontroller pins required to access 12 keys
- 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
AC-DC Power Module HLK-5M05 230V to 5V /5W
- Meet UL, CE requirements
- Rated input voltage: AC 100V -230V
- Input voltage range: 90V -264V AC
- Maximum input current: <0.2A
- Input current surge: <10A
- Maximum input voltage: <270V AC
- Input Low Voltage Efficiency: Vin=110V AC,Output full-load≥ 69%
- Input High Voltage Efficiency: Vin=220V AC,output full-load≥ 70 %
- Long-term reliability
- Voltage Regulation: ±0.2%
- Load Regulation: ±0.5%
- Ultra-thin and small module
- High efficiency, high power density
- Low ripple and low noise
- Output overload and short circuit protection
- Working temperature: – 20 degrees to +60 degrees Celsius
- Storage temperature: -40 degrees to 80 degrees Celsius
- Relative humidity: 5-95%
- Cooling way: Natural cooling
- Atmospheric pressure: 80-106Kpa
- Weight: 21g
- Size: 38x23x18mm
DS3231 RTC MODULE
- Operating voltage of DS3231: 2.3 v to 5.5v
- 400Khz I2C interface
- Automatic power failure battery switch circuitry
- RTC counts seconds, minutes, hours, and year
- High precision clock chip DS3231
- Programmable square-wave output
- Chip temperature sensor accuracy:+/_3 degree Celsius
- Memory chip: AT24C32 with 32K storage capacity
- CR2032 battery backup with a high life span
- Low power consumption
- Register for ageing trim
- Dimension: 38mm*22mm*14mm
I2C MODULE WITH 16*2 CHARACTER LCD
- Supply voltage: 5V
- Display mode: STN
- Display format: 16*2
- Input data: 4 bit or 8 bit (for LCD)
- I2C address: 0x20~0x27 (original address is 0x20,we can change it ourselves)
- Compatible with multiple communication logic levels: 2.8~5VDC
- Compatible for 16*2 LCD
- Serial I2C control of LCD display using PCF8574
- Allow data display via only 2 wires.
- Backlight and contrast adjustment by the potentiometer
- Supports 7 ASCII fonts, 5 graphic functions
- Supports 128 level backlight lightness adjustment.
- Support 64 level screen contrast adjustment
- Supports device address modification
- Dimension: 10*4*5cm
- Size: 150gm

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