Unbeatable Offer
Save 11%
-11%


SMPS125 12V/5A Battery Charger for Generators
₨ 8,000.00-
Consumer Electronics, Household Appliances
Intelligent Vacuum Stainless Steel Flask with Touch Screen Temperature Display-500ml
-20%Consumer Electronics, Household AppliancesIntelligent Vacuum Stainless Steel Flask with Touch Screen Temperature Display-500ml
Key Features
- Water Capacity: 500ml.
- Touch temperature sensor, you can always detect the temperature of the water.
- No need to test the temperature by mouth, to avoid burns.
- Perfect for running, office, home, gym, yoga, camping, outdoor – adults and children.
- A smart water bottle is made of high-quality food-grade stainless steel, dustproof, waterproof and rustproof, good closure.
- The intelligent insulated cup has better corrosion resistance and the inner tank is treated by hydrophobic antibacterial treatment.
- The silica gel pad on the bottom prevents slipping on smooth or wet surfaces and reduces the impact of a fall.
- Our travel mug leak proof holds liquid heat up to 6 hours above 42 deg C. And liquid cooling temperatures below 10 deg C for up to 5 hours. After 24 hours at 100 deg C, the temperature is maintained at about 40 deg C.
- Perfect for running, office, home, gym, yoga, camping, outdoor – adults and children.
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
4×4 Keypad Matrix Keypad
?Key Features :
-
- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- 5 pins 2.54mm pitch connector,?4x 4type 16 keys.
- Sticker can peel off for adhesive mounting.
- Used widely in industrial and home electronic equipments, instrument, etc.
- This allows a microcontroller to ?scan? the 8 output pins to see which of the 16 buttons is being pressed.
SKU: n/a -
-
Arduino, Arduino Boards & Components, Development Kits
ADXL-1345 Tripple Axis Accelerometer Module
-3%Arduino, Arduino Boards & Components, Development KitsADXL-1345 Tripple Axis Accelerometer Module
?Key Features :
-
- Voltage ? Supply : 3.3 V/ 5V.
- Interface 😕I?C, SPI.
- Sensing Range 😕?2g, 4g, 8g, 16g.
- Sensitivity:
- X : 28.6 LSB/g.
- Y : 31.2 LSB/g.
- Z : 34.5 LSB/g.
- Sensor Type 😕Accelerometer 3 Axis.
- Dimensions : 28 mm x 14 mm.
- Weight : 10 gm.
- Ultra Low Power: 40?A in measurement mode, 0.1?A in standby@ 2.5V.
- Free-Fall Detection.
- Tap/Double Tap Detection.
- Flexible interrupt modes mappable to either interrupt pin Measurement ranges selectable via serial command Bandwidth selectable via serial command
- Wide temperature range (?40?C to +85?C).
- 10,000 g shock survival.
- Support 5V/3.3V voltage input, on-board RT9161 power chip, lower pressure drop faster than the 1117, faster load speed of response, very suitable for high-noise power supply environment.
- User-selectable resolution
- Fixed 10-bit resolution.
- Full resolution, where resolution increases with?g?range, up to 13-bit resolution at ?16?g?(maintaining 4 mg/LSB scale factor in all?g?ranges).
SKU: n/a -
-
Automatic Mains Failure Units (AMF), Genset Products
DSE5220 Auto Mains Failure Unit
Key Features
- Automatic start
- Automatic mains (utility) failure
- detection (DSE5220 only)
- Automatic load transfer
- Configurable inputs
- Configurable outputs
- Configurable alarms & timers
- Digital inputs
- Analogue inputs
- Back-lit character LCD display
- Engine protection
- Front panel mounting
- PC configurable
- Front panel programming
- Remote monitoring
- Engine history event log
- LED alarm indication
- LCD alarm indication
- SMS messaging
- Hid till lit alarm icons
- Engine exercise mode
- Magnetic pick-up
- Click Here To Download DSE5220 Operators Manual
- Click Here To Download DSE5220 Data Sheet
SKU: n/a -
Control Card, Full Color Controllers, Single & Dual LED Controllers, SMD Screens & Tickers
HD-U63 LED Control Card with USB Port
-13%Control Card, Full Color Controllers, Single & Dual LED Controllers, SMD Screens & TickersHD-U63 LED Control Card with USB Port
Key Features
- Support module: Single color/ Dual color/Tricolor
- Control range: Single color: 512W*128H Dual color: 256W*128H Tri color: 320W*64H
- FLASH Capacity: 4M Byte
- Communication Port: U-Disk
- HUB signal: 8HUB12, 4HUB08
- Program Quantity: 1000pcs Programs. also can change program by button or remote if weld sensor (Remoter can select1-999 Programs)
- Area Quantity: 20 areas with separate zone, and separated special effects and border
- Display Showing: TextAnimation wordTimeCountLunar calendar Display effects
- Click Here to Download HD-U63 User Manual
- Click Here to Download HD-U63 Software HD2018
SKU: n/a -
Mobile Phone Accessories, Smart Watches
HW21 Men Smart Watch
Key Features
- IP68 Waterproof Bluetooth Sleep Monitor Fitness Heart Rate Tracker
- Lightweight and fashionable full-metal design
- Full circle HD touch screen
- Rotating dial operation, Smooth operation without lags
- Rich and exquisite dial backgrounds selection, Customize Watch Face
- 24h Bio Heart Rate Tracker, always pay attention to heart health
- 12 professional sports modes, making sports safer and more efficient
- Scientifically monitor sleep and record the complete sleeping status
- Exclusive “Wearfit pro” APP for real-time synchronization of health data
- Daily activity tracking, convenient life assistant
SKU: n/a -
Single/Full Color (RGB) Panels/Modules, SMD Screens & Tickers
Red P10 Single Color Outdoor SMD Module For Tickers
-10%Single/Full Color (RGB) Panels/Modules, SMD Screens & TickersRed P10 Single Color Outdoor SMD Module For Tickers
Key Features
- Red P10 Single Color SMD Module For Tickers
- Full outdoor: IP64
- Size (W x H): 320 x 160 mm (320 x 160cm), 12.6 x 6.3 Inch
- Resolution (W x H): 32 x 16 = 512
- HUB Signal: HUB12
- Volt: 5v DC
- Brightness: 4500 cdm (nits)
- LED: DIP 5mm
- Accessories: Data Wire, Power Cable, 4-Magnets
- Can work with control card: U6A, U6B, U60, W60, U61, U62, U64, U6BN, WLP-XUA2, WLP-XUB1, etc.
- The display can Show: Text, Animation word, Time, Count, Lunar calendar
- Support simple animation characters
- Click Here to Download HD-U6A Software HD2018
SKU: n/a
-
Arduino, Arduino Boards & Components, Development Kits
Arduino 28byj48 5v Stepper Motor With Uln2003 Driver
-3%Arduino, Arduino Boards & Components, Development KitsArduino 28byj48 5v Stepper Motor With Uln2003 Driver
Key Features :
- Model : 28BYJ-48
- Number of Phase : 4
- Speed Variation Ratio : 1/64
- Stride Angle : 5.625? /64
- Rated voltage : DC [5v – 12v]
- DC resistance : 5v: 60??7%(25?); 12v: 130??7%(25?)
- Frequency : 100Hz
- Idle In-traction Frequency : > 600Hz
- Idle Out-traction Frequency : > 1000Hz
- In-traction Torque >34.3mN.m(120Hz)
- Self-positioning Torque : 5v: >29.3mN.m; 12v: >42.1mN.m
- Friction torque : 600-1200 gf.cm
- Pull in torque : 300 gf.cm
- Insulated resistance >10M?(500V)
- Insulated electricity power : 600VAC/1mA/1s
- Insulation grade : A
- Rise in Temperature <40K(120Hz)
- Noise <35dB(120Hz,No load,10cm)
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
N20 DC Gear Motor
?Key Features :
- Motor size: 10*12 (N20 motor)
- Out Shaft diameter: 2.95mm ?(flat position: 2.45mm)
- Shaft length: 8mm
- Weight: 10g
- Rated load : 200 g.cm
- Working temperature: -10 degrees – 65 degrees
- Motor mounting position: horizontal or vertical
- Reduction ratio : 1:298
- Rated voltage: DC 5V?
- Rated current : 36 MA
- Rated load speed: 50RPM
- Stall torque: 1 KG.cm
- Operating voltage range : DC3V-6V
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
TT Motor Dc 3v 6v Dc Gear Motor
?Key Features :
- DIY Projects
- Battery-operated toys
- Disk drives Steel rolling?mills?Paper
- Machines Medical equipment
- Radio-controlled aircraft
- Automobiles Drive systems Positioning
- Industrial and consumer actuators Winches Robotics Mixers
- Robotic projects
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
Imported 3wd Smart Robot Car Chassis Kit
?Key Features :
- Mechanical structure, easy to install.
- This car has tachometer encoder
- With 4 cell AA battery holder and power switch.
- Can be used for distance measurement, velocity.
- Can use with other devices to realize the function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control.
- Gear Motor reduction radio: 1:48.
- Size: 22cm x 14.7cm, wheel size: 7cm x 7cm x 2.6cm.
- Note: motor power supply is 3V~6V.
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
Imported Original 4wd Smart Robot Car Chassis Kit
-3%Arduino, Arduino Boards & Components, Development KitsImported Original 4wd Smart Robot Car Chassis Kit
?Key Features :
- Simple mechanical structure, easy for installation.
- Adopts 4 DC motors for better power, speed and load capacity.
- Large and stable Chassis, easy for expansion.
- Easy interface with Arduino development platform.
- Enormous space between middle & bottom chassis.
- This kit is great for DIY Learning, Academic Research, Hobby Projects and Robot Competitions.
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
Nema17 4 Wire Stepper Motor Nema17 Stepper Motor
-4%Arduino, Arduino Boards & Components, Development KitsNema17 4 Wire Stepper Motor Nema17 Stepper Motor
Key Features :
-
- Stepper motor is known by its property to convert a train of input pulses into a precisely defined increment in the shaft position.
- This is a high-quality motor that can be used for a long time without stuck.
- It has a quite stable performance during work and will not lose step.
- Low noise and big torque, this is a great choice if you need a stepper motor.
- Stepper motor can be widely used for a 3D printer, CNC engraving machine, etc.
SKU: n/a -
-
Arduino, Arduino Boards & Components, Development Kits
W1209 DC12V Digital Thermostat Temperature Controller (Incubator Controller)
-4%Arduino, Arduino Boards & Components, Development KitsW1209 DC12V Digital Thermostat Temperature Controller (Incubator Controller)
?Key Features :
-
-
- Temperature Control Range: Minus 50 to 110 C
- Resolution at -9.9 to 99.9: 0.1 C
- Resolution at all other temperatures: 1 C
- Measurement Accuracy: 0.1 C
- Control Accuracy: 0.1 C
- Refresh Rate: 0.5 Seconds
- Input Power (DC): 12V
- Measuring Inputs: NTC (10K 0.5%)
- Waterproof Sensor: 0.5M
- Output: 1 Channel Relay Output, Capacity: 10A
Best Online Shopping website for W1209 Temperature Controller Incubation Thermostat. Here you get W1209 Temperature Controller Thermostat at a reasonable price in Karachi, Lahore, Islamabad, Rawalpindi, Peshawar, Multan, Faisalabad and all over Pakistan.
-
SKU: n/a -
-
Arduino Boards & Components, i) Resistor, Capacitor, Inductor, Transistor etc., Manual & Remote Start Units
WDD35D4 6mm Round Shaft Rotary Wire Wound Potentiometer 5K Ohm 2Watt
-11%Arduino Boards & Components, i) Resistor, Capacitor, Inductor, Transistor etc., Manual & Remote Start UnitsWDD35D4 6mm Round Shaft Rotary Wire Wound Potentiometer 5K Ohm 2Watt
Key Features
- Brand Name: WDD35D4
- Rated Power:2W
- Resistance Tolerance:0.5%
- Type:Conductive Plastic Potentiometer
- Model Number:WDD35D-4 5K
- Technology:Metal Alloy
- Standard Resistance:5K
- Outer diameter: 36.5mm
- Shaft: 6mm
- Independence linearity: 0.5%
- Theoretical electrical angle: 345 deg 2 degree
- Resolution: Unlimited
- Temperature Coefficient of Resistance (ppm/degree): <400
- Operating temperature range: -55 degree to +125 degree
- Mechanical angle: 360 degree
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
Arduino Pro Mini 5V 16MHz
Key Features
- Microcontroller: ATmega328
- Board Power Supply: 5 – 12 V (5V model)
- Circuit Operating Voltage: 5V
- Digital I/O Pins: 14
- PWM Pins: 6
- UART: 1
- SPI: 1
- I2C: 1
- Analog Input Pins: 6
- External Interrupts: 2
- DC Current per I/O Pin: 40 mA
- Flash Memory: 32KB of which 2 KB used by bootloader
- SRAM: 2 KB
- EEPROM: 1 KB
- Clock Speed: 16 MHz
- Click Here to Download Open Source Arduino Software
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
Recording And Playback Module (Isd1820) With On Board Mic And Loud Speaker
-3%Arduino, Arduino Boards & Components, Development KitsRecording And Playback Module (Isd1820) With On Board Mic And Loud Speaker
?Key Features :
- The main chip: ISD1820.
- Dimensions : 43 x 34 x 11 (LxWxH) mm.
- The working voltage: DC 3V-5V.
- Loudspeaker: 8 Ohm, 0.5W.
- An easy to use 10 seconds of voice recording.
- High-quality, natural voice restored.
- Can be used as propaganda module.
- With looping, jog playback, single-pass play function.
- Available single-chip control.
- This module can directly drive a small speaker 8 ohm 0.5W.
- Power supply : 3-5V, which can be accessed pin power.
- Audio recording control mode: the key to control or microcontroller, IO has drawn the line of control.
SKU: n/a -
Airpods & Handfree, Mobile Phone Accessories
AirPods Pro For Apple & Android
Key Features
- Active noise cancellation for immersive sound
- Transparency mode for hearing and connecting with the world around you
- Three sizes of soft, tapered silicone tips for a customizable fit
- Sweat and water-resistant
- Adaptive EQ automatically tunes the music to the shape of your ear
- Easy setup for all your Apple & Android devices
- The Wireless Charging Case delivers more than 24 hours of battery life
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
Tpm10 Digital Thermometer Temperature Sensor Tester Meter Fy-10 With Metal Sensor
-5%Arduino, Arduino Boards & Components, Development KitsTpm10 Digital Thermometer Temperature Sensor Tester Meter Fy-10 With Metal Sensor
?Key Features :
- LCD display.
- High accuracy.
- This thermometer can also be used to measure object temperature (baby milk, food, bath water) or ambient temperature.
- Waterproof probe, easy to remove.
- Powered by 2 x 1.5v LR44 button cell.
- Comes with a probe that is easy to use.
- Perfect for use in incubators, brooders, homebrew room at any other place, the monitoring of temperature and humidity required.
SKU: n/a -
Arduino Boards & Components, Manual & Remote Start Units, Microcontroller, ICs etc.
dsPIC30F2010-30I/SO Microchip
-57%Arduino Boards & Components, Manual & Remote Start Units, Microcontroller, ICs etc.dsPIC30F2010-30I/SO Microchip
- High-Performance
- 16-bit Digital Signal Controllers
Modified Harvard architecture - ?C compiler-optimized instruction set architecture
- 83 base instructions with flexible addressing modes
- 24-bit wide instructions, 16-bit wide data path
- 12 Kbytes on-chip Flash program space
- 512 bytes on-chip data RAM
- 1 Kbyte nonvolatile data EEPROM
- 16 x 16-bit working register array
- Up to 30 MIPs operation:
– DC to 40 MHz external clock input
– 4 MHz-10 MHz oscillator input with
PLL active (4x, 8x, 16x) - 27 interrupt sources
- Three external interrupt sources
- Eight user-selectable priority levels for each interrupt
- Four processor exceptions and software traps
- Click Here To Download dsPIC30F2010 Data Sheet
SKU: n/a -
Single/Full Color (RGB) Panels/Modules, SMD Screens & Tickers
Blue P10 Single Color Outdoor DIP LED Module For Tickers
-10%Single/Full Color (RGB) Panels/Modules, SMD Screens & TickersBlue P10 Single Color Outdoor DIP LED Module For Tickers
Key Features
- Full outdoor: IP65
- Size (W x H): 320 x 160 mm (320 x 160cm), 12.6 x 6.3 Inch
- Resolution (W x H): 32 x 16 = 512
- HUB Signal: HUB12
- Volt: 5v DC
- Brightness: 5000 cdm (nits)
- LED: DIP 5 mm
- Accessories: Rubber seal, data wire, power cable
- Can work with control card: U6A, U6B, U60, W60, U61, U62, U64, U6BN, WLP-XUA2, WLP-XUB1, etc.
- Display can Show: Text, Animation word, Time, Count, Lunar calendar
- Support simple animation characters
- Click Here to Download HD-U6A Software HD2018
SKU: n/a -
Arduino, Arduino Boards & Components, Development Kits
Mb102 Breadboard Power Supply Module 3.3v5v For Arduino Solderless Bread Board
-5%Arduino, Arduino Boards & Components, Development KitsMb102 Breadboard Power Supply Module 3.3v5v For Arduino Solderless Bread Board
?Key Features :
- Breadboard power supply module, compatible with 5V, 3.3V.
- Apply to MB102 breadboard
- Input voltage: 6.5-12 V (DC) or USB power supply
- Output voltage: 3.3V/5V can switch over
- Maximum output current: <700 ma
- Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V
- On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use.
- Size: 53 x 32 x 23 mm.
SKU: n/a
Products Grid
Crazy Discounts
Best Sellers
-
Genset Products, Manual & Remote Start Units
DSE3110 Manual & Auto Genset Controller
₨ 18,500.00₨ 22,000.00
-
Genset Products, Manual & Remote Start Units
DKG116 Manual And Remote Start Unit
₨ 14,500.00₨ 15,000.00 -
Genset Products, Synchronization Units
DKG117 Synchroscope And Check Synch Relay
₨ 25,000.00₨ 28,000.00 -
-
Genset Products, Manual & Remote Start Units
DKG317 Manual And Remote Start Unit
₨ 27,000.00₨ 30,000.00 -
Auto Transfer Switches (ATS), Genset Products
DKG325 Genset Control & ATS Panel
₨ 35,000.00₨ 40,000.00
Recently Added
Electrical Instruments, Multimeters, Tools & Hardware
UT18D Uni-T Voltage and Continuity Tester
Key Features:-
8 voltage levels: 12V, 24V, 50V, 120V, 230V, 400V, 690V, 1000V (AC/DC)
Phase sequence test
Automatic polarity test
Continuity test
RCD function
Auto power off
Frequency measurement
Low impedance measurement
LED+LCD display at the same time
Buzzer alarm
Flashlight
Safety rating: CAT III 1000V / CAT IV 600V
SKU: n/a
Electrical Instruments, Multimeters, Tools & Hardware
UT18B Voltage Detector Tester
Key Features:
Wide Voltage Range: Accurately tests voltage from 12V to 690V, suitable for various applications.
AC/DC Voltage Testing: Supports both AC and DC voltage testing for enhanced versatility.
LED Indicators: Clear LED indicators for instant voltage level readings.
Continuity Test: Built-in buzzer for quick continuity checks.
Waterproof and Dustproof: IP65-rated design for reliable operation in challenging environments.
Dual-Display Design: Offers both digital and analog displays for clear and flexible readings.
Ergonomic Build: Lightweight and easy to handle, ideal for prolonged usage.
Safety Compliance: Meets international safety standards for worry-free operation.
SKU: n/a
Soldering Paste, Soldering, Glue Rods, Bits etc., Tools & Hardware
Solder Paste – 500g | High-Quality Soldering Paste Sn63Pb37
-20%


Soldering Paste, Soldering, Glue Rods, Bits etc., Tools & Hardware
Solder Paste – 500g | High-Quality Soldering Paste Sn63Pb37
Alloy Composition: Sn63Pb37 (63% Tin, 37% Lead) for reliable electrical conductivity and strong bonding.
Particle Size: 25–45 μm, perfect for precision applications.
Weight: 500 grams – suitable for extended use in industrial or professional settings.
Mark: N-grade quality for consistent and top-notch performance.
Manufacturer: ZS.HX China – a renowned name in soldering materials.
Excellent wetting properties for clean, smooth solder joints.
Eutectic composition ensures a low melting point of 183°C, minimizing thermal stress on components.
Packaged to maintain freshness and prevent contamination.
SKU: n/a
Electrical Instruments, Multimeters, Tools & Hardware
UT181A True RMS Datalogging Multimeter
Key Features:-
Data logging: 20000
Data comparison
3.5-inch 64k color TFT LCD
Dual temperature measurement
Low pass filter
2000mAh Li-ion battery
Real time and date
Peak hold
Bluetooth/APP
USB interface cable /PC software CD
IP65
SKU: n/a
Electrical Instruments, Multimeters, Tools & Hardware
UT71E Series Intelligent Digital Multimeters
-8%


Electrical Instruments, Multimeters, Tools & Hardware
UT71E Series Intelligent Digital Multimeters
Key Features:-
True RMS, duty cycle, continuity buzzer
MAX/MIN/REL modes; peak/data hold; analog bar graph
45Hz~100kHz frequency response
LCD backlight; misplug alarm
Auto power off, low battery indication
Data logging
Auto and manual ranges selectable
USB interface, Bluetooth
Smart phone APP: iDMM
Works with UT-D07A Bluetooth adaptor
Download from Apple Store or Google Play Store
SKU: n/a
Electrical Instruments, Multimeters, Tools & Hardware
UT71C Series Intelligent Digital Multimeters
-3%


Electrical Instruments, Multimeters, Tools & Hardware
UT71C Series Intelligent Digital Multimeters
Key Features:-
True RMS, duty cycle, continuity buzzer
MAX/MIN/REL modes; peak/data hold; analog bar graph
45Hz~100kHz frequency response
LCD backlight; misplug alarm
Auto power off, low battery indication
Data logging
Auto and manual ranges selectable
USB interface, Bluetooth
Smart phone APP: iDMM
Works with UT-D07A Bluetooth adaptor
Download from Apple Store or Google Play Store
SKU: n/a
Electrical Instruments, Multimeters, Tools & Hardware
UT71A Series Intelligent Digital Multimeters
-6%


Electrical Instruments, Multimeters, Tools & Hardware
UT71A Series Intelligent Digital Multimeters
Key Features:-
True RMS, duty cycle, continuity buzzer
MAX/MIN/REL modes; peak/data hold; analog bar graph
45Hz~100kHz frequency response
LCD backlight; misplug alarm
Auto power off, low battery indication
Data logging
Auto and manual ranges selectable
USB interface, Bluetooth
Smart phone APP: iDMM
Works with UT-D07A Bluetooth adaptor
Download from Apple Store or Google Play Store
SKU: n/a
Electrical Instruments, Multimeters, Tools & Hardware
UT60BT Series Digital Multimeters
Key Features:
9999 count
True RMS
Bluetooth
Duty cycle
Diode/Continuity test
Temperature
Non-contact voltage
Analog bar/Data hold
Backlight/Relative mode
Auto/Manual range
Low battery indication
Three-color LED light indicator
SKU: n/a
Electrical Instruments, Multimeters, Tools & Hardware
UT60EU Series Digital Multimeters
Key Features:
9999 count
True RMS
Bluetooth
Duty cycle
Diode/Continuity test
Temperature
Non-contact voltage
Analog bar/Data hold
Backlight/Relative mode
Auto/Manual range
Low battery indication
Three-color LED light indicator
SKU: n/a
Electrical Instruments, Multimeters, Tools & Hardware
UT60S Series Digital Multimeters
Key Features:
9999 count
True RMS
Bluetooth
Duty cycle
Diode/Continuity test
Temperature
Non-contact voltage
Analog bar/Data hold
Backlight/Relative mode
Auto/Manual range
Low battery indication
Three-color LED light indicator
SKU: n/a