PN532 NFC RFID Module
- Operating voltage: +2.7V to +5.5V
- Supports II2, SPI, and high-speed UART (HSU)
- RFID reader/writer mode support for:
Mifare 1K, 4K, Ultralight, and DesFire cards
ISO/IEC 14443-4 cards such as CD97BX, CD light, DesFire, and P5CN072 (SMX)
- Innovision Jewel cards such as the IRT5001 card
- FeliCa cards such as RCS_860 and RCS_854
- Built-in PCB antenna (covered by white paint)
- 5 to 7cm communication distance
- On-board level shifter
- Standard 5-V TTL for I2C/UART and 3.3-V TTL SPI (VCC 3.3 to 5 V)
- Works as an RFID reader/writer
- Works as a 1443-A card or a virtual card
- Supports NFC with Android phone
Price 750 Birr
https://vector4engineering.com/product/pn532-nfc-rfid-module/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- Operating voltage: +2.7V to +5.5V
- Supports II2, SPI, and high-speed UART (HSU)
- RFID reader/writer mode support for:
Mifare 1K, 4K, Ultralight, and DesFire cards
ISO/IEC 14443-4 cards such as CD97BX, CD light, DesFire, and P5CN072 (SMX)
- Innovision Jewel cards such as the IRT5001 card
- FeliCa cards such as RCS_860 and RCS_854
- Built-in PCB antenna (covered by white paint)
- 5 to 7cm communication distance
- On-board level shifter
- Standard 5-V TTL for I2C/UART and 3.3-V TTL SPI (VCC 3.3 to 5 V)
- Works as an RFID reader/writer
- Works as a 1443-A card or a virtual card
- Supports NFC with Android phone
Price 750 Birr
https://vector4engineering.com/product/pn532-nfc-rfid-module/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
433Mhz Superheterodyne RF Receiver and Transmitter Module
- Support ASK / OOK modulation, the receiver sensitivity of -108dBm;
- Operating frequency: 433.92 MHz, bandwidth of about ± 150KHz;
- mains input voltage range: 2.2V-5V;
- Working current: Type :2.1mA (Requirement:VDD=5V) ; Type :2.1mA (Requirement:VDD=3V)
- Quiescent Current: 1uA
- Low power consumption;
- good selectivity and spurious radiation suppression, and easy to pass CE / Fcc international certification;
- Good local oscillator radiation suppression, multiple receiver module to work with (ie, more than single income) and will not interfere with each other.
Price 750 Birr
https://vector4engineering.com/product/433mhz-superheterodyne-rf-receiver-and-transmitter-module/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- Support ASK / OOK modulation, the receiver sensitivity of -108dBm;
- Operating frequency: 433.92 MHz, bandwidth of about ± 150KHz;
- mains input voltage range: 2.2V-5V;
- Working current: Type :2.1mA (Requirement:VDD=5V) ; Type :2.1mA (Requirement:VDD=3V)
- Quiescent Current: 1uA
- Low power consumption;
- good selectivity and spurious radiation suppression, and easy to pass CE / Fcc international certification;
- Good local oscillator radiation suppression, multiple receiver module to work with (ie, more than single income) and will not interfere with each other.
Price 750 Birr
https://vector4engineering.com/product/433mhz-superheterodyne-rf-receiver-and-transmitter-module/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
Dust Sensor – DSM501A
- PWM Output
- Compact size and lightweight
- Easy installation
- 5V Single power supply
- The dust sensor module DSM501A is low cost, compact size for a particle density sensor.
- It is used to quantitative particle (> 1 micron) measurement with the principle of particle counter, can sense the tobacco smoke and pollen, house dust .
- This sensor consists light emitting diode lamp, detector, signal amplifier circuit and heater, it can be used in applications such as the air cleaner or air purifier, users can use this sensor easily with sensor PWM output.
Price 850 Birr
https://vector4engineering.com/product/dust-sensor-dsm501a/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- PWM Output
- Compact size and lightweight
- Easy installation
- 5V Single power supply
- The dust sensor module DSM501A is low cost, compact size for a particle density sensor.
- It is used to quantitative particle (> 1 micron) measurement with the principle of particle counter, can sense the tobacco smoke and pollen, house dust .
- This sensor consists light emitting diode lamp, detector, signal amplifier circuit and heater, it can be used in applications such as the air cleaner or air purifier, users can use this sensor easily with sensor PWM output.
Price 850 Birr
https://vector4engineering.com/product/dust-sensor-dsm501a/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
CC2530 Zigbee Module
- CC2530 Zigbee Module UART Wireless Core Board Development Board CC2530F256 Serial Port Wireless Module 2.4GHz Zigbee.
- 2.4-GHz IEEE 802.15.4 Compliant RF Transceiver
- Frequency:24MHz
- Flash:Up to 256KB
- SRAM:8kB
- GPIO:21
- SPI:1
- UART:1
- ADC:12-bit,8 channel
- Min VCC:2V
- Max VCC:3.6V
- Standby Power:0.4uA
- Wakeup Time From Standby:500us
- Operating Temperature
- RF Standard Supported:ZigBee/6LoWPAN/802.15.4 MAC
- CPU Core:8051
- Security:128-bit AES
- Antenna Connection:yes
- RX Current:20.5mA (Lowest)
- Frequency Bands:2394-2507MHz
Price 1000 Birr
https://vector4engineering.com/product/cc2530-zigbee-module/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- CC2530 Zigbee Module UART Wireless Core Board Development Board CC2530F256 Serial Port Wireless Module 2.4GHz Zigbee.
- 2.4-GHz IEEE 802.15.4 Compliant RF Transceiver
- Frequency:24MHz
- Flash:Up to 256KB
- SRAM:8kB
- GPIO:21
- SPI:1
- UART:1
- ADC:12-bit,8 channel
- Min VCC:2V
- Max VCC:3.6V
- Standby Power:0.4uA
- Wakeup Time From Standby:500us
- Operating Temperature
- RF Standard Supported:ZigBee/6LoWPAN/802.15.4 MAC
- CPU Core:8051
- Security:128-bit AES
- Antenna Connection:yes
- RX Current:20.5mA (Lowest)
- Frequency Bands:2394-2507MHz
Price 1000 Birr
https://vector4engineering.com/product/cc2530-zigbee-module/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
Oscilloscope
- Digital Oscilloscope DS-2100CA 100MHz Fast Speed USB Connect 3.5nS
- Trigger Mode: edge/pulse width/line selectable video/slop/overtime etc
- USB Host & Device Connectivity Standard
- Multiple Automatic Measurements
- Four Math Functions including FFTs standard
- Provides Software PC real-time analysis *6 VGA Optionaltional
Price 42,000 Birr
https://vector4engineering.com/product/oscilloscope/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- Digital Oscilloscope DS-2100CA 100MHz Fast Speed USB Connect 3.5nS
- Trigger Mode: edge/pulse width/line selectable video/slop/overtime etc
- USB Host & Device Connectivity Standard
- Multiple Automatic Measurements
- Four Math Functions including FFTs standard
- Provides Software PC real-time analysis *6 VGA Optionaltional
Price 42,000 Birr
https://vector4engineering.com/product/oscilloscope/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
37 In 1 Sensor KIT
- Joystick Module, Flame Sensor, RGB LED,
- Hearbeat Sensor, Light Cup, Hall Magnetic Module,
- 1 Channel 5v Relay, Linear Hall Sensor, SMD RGB,
- 7 Color Flash, Tilt Switch, 18B20 Temperature Sensor,
- Big Sound Sensor, Touch Sensor, Two Color LED,
- Laser Limit, Ball Switch, Analog Temperature Sensor,
- Small Sound Sensor, Digital Temperature Sensor, Common Cathode Red & Green LED,
- Push Button Module, Photoresistor Module, IR emission Sensor,
- Tracking Module, Active Buzzer, Reed Switch Module,
- Shock Sensor, DHT11 Module, IR Receiver,
- Obstacle Avoidance Sensor, Passive Buzzer, Mini Reed Switch,
- Rotary Encoders, Analog Hall, Tap and Light Blocking Module.
Price 4000 Birr
https://vector4engineering.com/product/37-in-1-sensor-kit/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- Joystick Module, Flame Sensor, RGB LED,
- Hearbeat Sensor, Light Cup, Hall Magnetic Module,
- 1 Channel 5v Relay, Linear Hall Sensor, SMD RGB,
- 7 Color Flash, Tilt Switch, 18B20 Temperature Sensor,
- Big Sound Sensor, Touch Sensor, Two Color LED,
- Laser Limit, Ball Switch, Analog Temperature Sensor,
- Small Sound Sensor, Digital Temperature Sensor, Common Cathode Red & Green LED,
- Push Button Module, Photoresistor Module, IR emission Sensor,
- Tracking Module, Active Buzzer, Reed Switch Module,
- Shock Sensor, DHT11 Module, IR Receiver,
- Obstacle Avoidance Sensor, Passive Buzzer, Mini Reed Switch,
- Rotary Encoders, Analog Hall, Tap and Light Blocking Module.
Price 4000 Birr
https://vector4engineering.com/product/37-in-1-sensor-kit/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
3.5″ Touch Screen LCD Raspberry Pi Display
- This small 3.5 inch touch screen Raspberry Pi Display module is designed especially for Raspberry Pi, using the latest Linux Core system.
- Designed for Raspberry Pi, an ideal alternative solution for HDMI monitor
- Supports all revision of Raspberry Pi (directly-pluggable models)
- Works with Raspbian/Ubuntu directly
- Comes with a full set of screws and nuts for assembly
- 320×480 resolution, better display
- Lightweight and easy to install
Price 4500 Birr
https://vector4engineering.com/product/3-5%e2%80%b3-touch-screen-lcd-raspberry-pi-display/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- This small 3.5 inch touch screen Raspberry Pi Display module is designed especially for Raspberry Pi, using the latest Linux Core system.
- Designed for Raspberry Pi, an ideal alternative solution for HDMI monitor
- Supports all revision of Raspberry Pi (directly-pluggable models)
- Works with Raspbian/Ubuntu directly
- Comes with a full set of screws and nuts for assembly
- 320×480 resolution, better display
- Lightweight and easy to install
Price 4500 Birr
https://vector4engineering.com/product/3-5%e2%80%b3-touch-screen-lcd-raspberry-pi-display/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
Raspberry Pi Zero W
- At the heart of the Raspberry Pi Zero W is a 1GHz BCM2835 single-core processor with 512MB RAM.
- Dimensions: 65mm × 30mm × 5mm
- SoC: Broadcom BCM2835
- CPU: ARM11 running at 1GHz
- RAM: 512MB
- Wireless: 2.4GHz 802.11n wireless LAN
- Bluetooth: Bluetooth Classic 4.1 and Bluetooth LE
- Power: 5V, supplied via micro USB connector
- Video & Audio: 1080P HD video & stereo audio via mini-HDMI connector
- Storage: MicroSD card
- Output: Micro USB
- GPIO: 40-pin GPIO, unpopulated
- Pins: Run mode, unpopulated; RCA composite, unpopulated
- Camera Serial Interface (CSI)
Price 6500 Birr
https://vector4engineering.com/product/raspberry-pi-zero-w/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- At the heart of the Raspberry Pi Zero W is a 1GHz BCM2835 single-core processor with 512MB RAM.
- Dimensions: 65mm × 30mm × 5mm
- SoC: Broadcom BCM2835
- CPU: ARM11 running at 1GHz
- RAM: 512MB
- Wireless: 2.4GHz 802.11n wireless LAN
- Bluetooth: Bluetooth Classic 4.1 and Bluetooth LE
- Power: 5V, supplied via micro USB connector
- Video & Audio: 1080P HD video & stereo audio via mini-HDMI connector
- Storage: MicroSD card
- Output: Micro USB
- GPIO: 40-pin GPIO, unpopulated
- Pins: Run mode, unpopulated; RCA composite, unpopulated
- Camera Serial Interface (CSI)
Price 6500 Birr
https://vector4engineering.com/product/raspberry-pi-zero-w/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
220 AC Solenoid Valve FCD-270A
- Voltage rating: AC 220V 50/60Hz,
- Rated current: 27± 5mA
or
- Voltage rating: AC 110V 50/60Hz
- Rated current 51.5± 6mA,
- Water pressure: 0.02-0.8MPa,
- Insulation resistance: >100MΩ,
- Temperature increment: ≤ 80,
- Service life: >50000 times
- Inlet 3/4-Inch, for Washing Machine (FCD-270A)
- Type 2-Way Type
- Valve structure Direct Action Diaphragm Structure
- Application Industrial Usage or Household Usage
Price 1750 Birr
https://vector4engineering.com/product/solenoid-valve-fcd-270a/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- Voltage rating: AC 220V 50/60Hz,
- Rated current: 27± 5mA
or
- Voltage rating: AC 110V 50/60Hz
- Rated current 51.5± 6mA,
- Water pressure: 0.02-0.8MPa,
- Insulation resistance: >100MΩ,
- Temperature increment: ≤ 80,
- Service life: >50000 times
- Inlet 3/4-Inch, for Washing Machine (FCD-270A)
- Type 2-Way Type
- Valve structure Direct Action Diaphragm Structure
- Application Industrial Usage or Household Usage
Price 1750 Birr
https://vector4engineering.com/product/solenoid-valve-fcd-270a/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
2.4 inch TFT LCD Display Shield
- Beautiful touchscreen display shield with built in microSD card connection
- This TFT display is big (2.4 and diagonal) bright (4 white-LED backlight) and colorful (18-bit 262,000 different shades)
- 240—320 pixels with individual pixel control
- It has way more resolution than a black and white 128*64 display
- As a bonus, this display has a resistive touch screen attached to it already, so you can detect finger presses anywhere on the screen
- Diagonal LCD TFT display
- 240—320 resolution, 18-bit (262,000) color
Price 3000 Birr
https://vector4engineering.com/product/2-4-inch-tft-lcd-display-shield/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- Beautiful touchscreen display shield with built in microSD card connection
- This TFT display is big (2.4 and diagonal) bright (4 white-LED backlight) and colorful (18-bit 262,000 different shades)
- 240—320 pixels with individual pixel control
- It has way more resolution than a black and white 128*64 display
- As a bonus, this display has a resistive touch screen attached to it already, so you can detect finger presses anywhere on the screen
- Diagonal LCD TFT display
- 240—320 resolution, 18-bit (262,000) color
Price 3000 Birr
https://vector4engineering.com/product/2-4-inch-tft-lcd-display-shield/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
Thermistor Sensor Module
- The comparator output, signal clean, good waveform, driving ability is strong, for more than 15ma.
- With potentiometer to adjust temperature detection threshold
- Working voltage: 3.3V to 5V
- Output form: digital switch output (0 and 1)
- It has a fixed bolt hole, convenient installation
- Small board PCB size: 3.2 cm x 1.4 cm
- Using the LM393 wide voltage comparator
- The module of temperature detection range of 20-80 degrees Celsius
Price 600 Birr
https://vector4engineering.com/product/thermistor-sensor-module/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- The comparator output, signal clean, good waveform, driving ability is strong, for more than 15ma.
- With potentiometer to adjust temperature detection threshold
- Working voltage: 3.3V to 5V
- Output form: digital switch output (0 and 1)
- It has a fixed bolt hole, convenient installation
- Small board PCB size: 3.2 cm x 1.4 cm
- Using the LM393 wide voltage comparator
- The module of temperature detection range of 20-80 degrees Celsius
Price 600 Birr
https://vector4engineering.com/product/thermistor-sensor-module/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
ELECTRIC GRINDER 130W
- 220VAC 50Hz
- 8,000 - 30,000 RPM
- Collet Capacity 3.2mm
- Full set with 128 different pieces
Price 6800 Birr
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347/0924468599/0923522790
VECTOR FOUR ENGINEERING
- 220VAC 50Hz
- 8,000 - 30,000 RPM
- Collet Capacity 3.2mm
- Full set with 128 different pieces
Price 6800 Birr
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347/0924468599/0923522790
VECTOR FOUR ENGINEERING
GEARED DC MOTOR
Operating voltage: 3V ~ 12V DC
Maximum torque: 800gf cm min (3V time)
Reduction Ratio: 1:48 (3V time)
Rotate Speed: 125rpm/min
Load Current: 70mA (250mA MAX) (3V time)
Price 650 Birr
https://vector4engineering.com/product/geared-dc-motor/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
Operating voltage: 3V ~ 12V DC
Maximum torque: 800gf cm min (3V time)
Reduction Ratio: 1:48 (3V time)
Rotate Speed: 125rpm/min
Load Current: 70mA (250mA MAX) (3V time)
Price 650 Birr
https://vector4engineering.com/product/geared-dc-motor/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
WHEEL
Center hole: 5.3mm x 3.66mm
Diameter: 66mm
Width: 2.66mm
Price 250 Birr
https://vector4engineering.com/product/wheel/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
Center hole: 5.3mm x 3.66mm
Diameter: 66mm
Width: 2.66mm
Price 250 Birr
https://vector4engineering.com/product/wheel/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
FUNCTION GENERATOR UNI-T UTG2025A (25MHZ)
- Channels 2
- Sample Rate 125MS/s
- Output Frequency 25MHz
- Frequency Resolution 1uHz
- Vertical Resolution 14 bits
- Max. Arb. Memory Depth 8 kpts
- Waveforms Sine, Square, Ramp, Triangle, Pulse, Noise, DC, Arb
- Output Amplitude Range 1mVpp~10Vpp(50Ω), 2mVpp~20Vpp(High Z)
- Modulation Types AM, FM, PM, ASK, FSK, PWM, Sweep, Burst
- Interfaces USB Device, USB Host, Frequency Meter
- Power 100~240 VAC, 45-440Hz
- Display 4.3 inches 64K Colour TFT LCD (480×272)
- Product Weight 3.2kg
- Product Size 165x320x110mm
- Standart Accessories BNC Cable, Power Cord, USB Cable,
Price 78,000 Birr
https://vector4engineering.com/product/function-generator-uni-t-utg2025a-25mhz/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- Channels 2
- Sample Rate 125MS/s
- Output Frequency 25MHz
- Frequency Resolution 1uHz
- Vertical Resolution 14 bits
- Max. Arb. Memory Depth 8 kpts
- Waveforms Sine, Square, Ramp, Triangle, Pulse, Noise, DC, Arb
- Output Amplitude Range 1mVpp~10Vpp(50Ω), 2mVpp~20Vpp(High Z)
- Modulation Types AM, FM, PM, ASK, FSK, PWM, Sweep, Burst
- Interfaces USB Device, USB Host, Frequency Meter
- Power 100~240 VAC, 45-440Hz
- Display 4.3 inches 64K Colour TFT LCD (480×272)
- Product Weight 3.2kg
- Product Size 165x320x110mm
- Standart Accessories BNC Cable, Power Cord, USB Cable,
Price 78,000 Birr
https://vector4engineering.com/product/function-generator-uni-t-utg2025a-25mhz/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
2W-025-08 AC SOLENOID VALVE
- One way, normal close switch, magnetic solenoid water valve.
- Easily replaces broken valves for use with pipelines in water, air and diesel-gas applications.
- Normally Closed When Power Off.
- Acting Motion: Direct action.
- Brass construction makes it durable.
- Working Medium: Air, Water, Oil
- Voltage: AC220V
- Pipe Size: 1/4″
- Flow Bore: 4mm / 0.16in
- Working Pressure: Water/Oil:0~1Mpa
- Air/Gas:0~0.7Mpa
Price 1450 Birr
https://vector4engineering.com/product/2607/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING
- One way, normal close switch, magnetic solenoid water valve.
- Easily replaces broken valves for use with pipelines in water, air and diesel-gas applications.
- Normally Closed When Power Off.
- Acting Motion: Direct action.
- Brass construction makes it durable.
- Working Medium: Air, Water, Oil
- Voltage: AC220V
- Pipe Size: 1/4″
- Flow Bore: 4mm / 0.16in
- Working Pressure: Water/Oil:0~1Mpa
- Air/Gas:0~0.7Mpa
Price 1450 Birr
https://vector4engineering.com/product/2607/
Address Megenagna Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING