4 CHANNEL RELAY MODULE
- 5V 4-Channel Relay interface board and each one needs 15-20mA Driver Current
- Equipped with high-current relay, AC250V 10A ; DC30V 10A
- Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic active low)
- Opto-isolated inputs
- Indication LED’s for Relay output status
- Size: 75*55*20mm
Price 1250 Birr
https://vector4engineering.com/product/4-channel-relay/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

8 CHANNEL RELAY MODULE
- This item is a 5V 8-Channel Relay interface board,It can be controlled directly by microcontrollers such as Arduino, AVR, PIC, ARM and so on.
- It is widely adopted in devices of power protection, automation technology, sport, remote control, reconnaissance and communication, as well as in devices of electro-mechanics and power electronics.
- Each relay needs 15-20mA driver current.
- Equipped with high-current relay : DC30V 10A,AC250V 10A,125VAC 15A
- Each relay has normally open and normally closed contact.
- The 8 channels are optically isolated, safe, reliable, anti-interference.
- Size: 140mm X 55mm
Price 3500 Birr
https://vector4engineering.com/product/8-channel-relay-module/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

KK2.0 FLIGHT CONTROL BOARD
- An incredibly sensitive dual chip 3 Axis gyro and single chip 3 axis accelerometer system and allowing for the addition of an Auto-level function.
- At the heart of the KK2.0 is an Atmel Mega324PA 8-bit AVR RISC-based microcontroller with 32k of memory. An additional 2 motor output channels have been added to the KK2.0 allowing for a total of 8 motors to be controlled (Octocopter). A handy Piezo buzzer is also included with the board for audio warning when activating and deactivating the board.
- A host of multi-rotor craft types are pre-installed.check motor layout/propeller direction, calibrate your ESCs and radio.
- IC: Atmega324 PA
- Gyro: InvenSense Inc.
-Accelerometer: Analogue Devices Inc.
- Auto-level: Yes
- Input Voltage: 4.8-6.0V
- AVR interface: standard 6 pin.
- Signal from Receiver: 1520us (5 channels)
- Signal to ESC: 1520us
Price 7500 Birr
https://vector4engineering.com/product/kk2/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301

Toggle Switch
Model Number: 1122
Certification: EMC,CCC
Current: 15A
Voltage: 250VAC
Price 300 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 vector/ 0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

A3144 HALL EFFECT SENSOR
- This module used to detect the presence of magnetic field. Whenever a magnetic field come near to sensor within its detection distance, it will output a signal on the output pin.
- Chip: LM393 voltage comparator, A3144 Hall sensor
- VCC: Positive power supply, 3.3 V to 5 V
- GND: Negative power supply
- Do: Digital signal output
- Ao: Analong signal output
- Power indicator
- Comparator output indicator
- Comparator output capability: 16 mA
- PCB Size: 32 x 14 mm
Price 600 Birr
https://vector4engineering.com/product/hall-effect/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 vector/ 0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

PCB STRIP BOARD 18X30CM
- 18x30cm One Sided PCB Strip board
- Grid : 2.54 mm / 0.1 inch
- Thickness : 1.6 mm / 0.06 inch
- Hole diameter : About 1 mm / 0.039 inch
- SIZE : 18 x 30 CM / 7.09 x 11.81 inch
Price 400 Birr
https://vector4engineering.com/product/pcb-18x30cm/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 vector/ 0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

ROTARY ENCODER
- Model: KY-040
- Working Voltage: 5V
- Pulse Count Per Circle: 20
- Pulses/360° Rotation: 20
- Output: 2-bit gray code
- Mechanical Angle: 360° continuous.
- With built in push button switch (push to operate)
- Dimensions: (30 x 18 x 30) mm.
- Compatible with Arduino/Raspberry Pi controller board.
-The rotary encoder can count the quantity of output pulse in the positive and negative direction rotation.The rotation counting is unlimited.An incremental encoder is a rotating sensor that converts rotation.
Price 500 Birr
https://vector4engineering.com/product/rotary-encoder/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 vector/0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

1.5M LINEAR RAIL with 2 HGH20CA Blocks
- High-speed operation
- Low friction and noise
- High precision, duration, and reliability
- Smooth movement
- High efficiency of transferring
- No gap and preloading
Price 13,500 Birr
https://vector4engineering.com/product/1-5m-linear-rail/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 vector/0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

SIM900 GPRS/GSM SHIELD
- Quad-Band 850 / 900/ 1800 / 1900 MHz – Will work on GSM networks
- GPRS multi-slot class 10/8
- Mobile station GPRS Class B
- Compatible with GSM Phase 2/2 +
- Class 4 (2 W at 850 / 900 MHz)
- Class 1 (1 W at 1800 / 1900 MHz)
- Control via AT-commands standard: GSM 07.07 and 07.05 | Improved commands: SIMCOM AT commands.
- Short Message Service – so you can send small amounts of data over the network (basically or raw hexadecimal).
- Integrated TCP/UDP stack: Allows you to upload data to a web server.
- Compatible with PSTN.
- Selectable serial port.
- Speaker and headphone connectors
- Low power consumption – 1.5mA (sleep mode)
Price 3000 Birr
https://vector4engineering.com/product/sim900-gprs-gsm-shield/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 vector / 0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

INFRARED SENSOR
- Main application: Smart car, robot, Arduino hobby kits
- PCB size : 3.2cm x 1.4cm
- 3mm screw hole for mounting
- Infrared (IR) Proximity/Obstacle Detecting Sensor Module
- Can be used for multitude of applications
- Compatible with almost all microcontrollers with digital input
- Operating Voltage: DC 3.3V – 5V
- Output: Digital logic (High: 3.3V – 5V; Low: 0V)
Price 600 Birr
https://vector4engineering.com/product/ir-sensor/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase/0924468599 Haben VECTOR FOUR ENGINEERING

LM35 TEMPERATURE SENSOR MODULE
- Calibrated directly in Degree Celsius
- Linear + 10.0 mV/˚C scale factor
- 0.5˚C accuracy guarantee-able (at +25˚C)
- Rated for full −55˚ to +150˚C range
- Operates from 4 to 30 volts
- Less than 60 µA current drain
- Low self-heating, 0.08˚C in still air
Price 950 Birr
https://vector4engineering.com/product/lm35-temperature-sensor-module/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase/0924468599 Haben VECTOR FOUR ENGINEERING

SOUND SENSOR
- Detects the intensity of sound where sound is detected via a microphone and fed into an LM393 op-amp.
- This Sound Detection Sensor Module consists of a Microphone, resistors, capacitor, potentiometer, comparator LM393 IC, Power, and status LED in an integrated circuit.
- Operating Voltage: 3.3V to 5V DC
- LM393 comparator with threshold preset
- PCB Size: 3.4cm * 1.6cm
- Induction distance: 0.5 Meter
- Operating current: 4~5 mA
- Microphone Sensitivity (1kHz): 52 to 48 dB
- Easy to use with Microcontrollers or even with normal Digital/Analog IC
Price 600 Birr
https://vector4engineering.com/product/sound-sensor/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase/0924468599 Haben VECTOR FOUR ENGINEERING

ENDER-3 V2 3D PRINTER
- Brand Creality 3D
- Technology FDM
- Build Volume 220x220x250mm
- Layer Height 0.1-0.4mm
- Resolution ~0.1 mm
- Maximum Extruder Temperature 255 °C
- Maximum Bed Temperature 100 °C
- Build Platform Heated Bed
- Filament Size 1.75 mm
- Bed Levelling Manual
- Extruder Single Extruder
- Connectivity Online & SD Card
- Materials PLA/ABS/TPU/PETG
- File Format STL, 3MF, AMF, OBJ, Gcode
- Operating System Mac, Windows 7/8/10
- Item Weight 10kg
Price 90,000 Birr
https://vector4engineering.com/product/ender-3-v2/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase/0924468599 Haben VECTOR FOUR ENGINEERING

ልጅችዎ በትምህርትና በቴክኖሎጂ እንዲመጥቁ ይፈልጋሉ ?
እንግዲያውስ በቦሌ መሃል የሚገኘውን ROBOX የሮቦቲክስ እና AI Academy ጎራ ይበሉ ኣድራሻችን በተንጣለለውንና ጥራቱን በጠበቀ የፓርኪንግና የመዝናኛ አገልግሎት ባለው ለልጅችዎ ደግሞ ዘመን ኣፈራሽ የልጆች መጫወቻና መዝናኛ ቴክኖሎጂዎችን የታጠቀውን Bora Kid's Mall ነው። ልጆችዎን እየተጫወቱና እየተዝናኑ ስለ Robotics እና AI, Coding & programming of Arduino እና STEM በተጨማሪም ስለተለያዩ mini-projects እና የDrone Technologies ከነ መሉ የመማርያ ማስተማርያ ቴክኖሎጂዎችንና ዕቃዎችን በተግባር እየነካኩና እያፍታቱ የሚማሩበት እንዲሁም የመዝናኛና መጫወቻ Free Space ያለው Bora Kids Mall,1 floor, 109 እንገኛለን።

ልጆችዎን እየተማሩ ይዝናኑ፣እየተዝናኑም ይማሩ !
ለተጨማሪ መረጃ እባክዎ Contact ያድርጉን ።


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Telegram : @hellomrobot

12MM SHAFT
- 1.5m long
- No Threads
Price 1000 Birr
https://vector4engineering.com/product/12mm-shaft/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase VECTOR FOUR ENGINEERING

16mm SHAFT
600mm/60cm long
No Threads
Price 850 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase VECTOR FOUR ENGINEERING

Nema 34 Stepper Motor
- 86HS118 cnc stepper motor
- 86mm nema 34
- 8.5N.m
- Rated current 6A
- Rated voltage 3.6V
- step angle 1.8
- Holding Torque 85Kg.Cm
Price 29,500 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase VECTOR FOUR ENGINEERING

KEYPAD 4X4
- 16 tactile membrane keys arranged in 4×4 matrix
- Adhesive back for permanently mounting keypad
- 3″ long 8-pin cable terminates in standard 2.54mm (0.1″) female header.
- These membrane keypads work well for adding key input for a project.
- The construction makes them durable and weatherproof.
- The keypad terminates in an 8-pin cable which has 4 row and 4 column pins.
- The row pins are on the left as you are looking at the front of the keypad and they have a dark strip near the connector to help identify them.
- The connector is a standard 2.54mm (0.1″) pitch 1×8 female header.
Price 700 Birr
https://vector4engineering.com/product/keypad-4x4/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase

TRANSISTOR 2N3055
- Transistor – 2N3055, High Power NPN Silicon
- 15 A, 60 V, 115 W EPIBASE
- Designed for power amplifier and switching regulator applications.
- The best choice where high frequency response, low switching losses and good safe operating area are required.
- Current Gain – Bandwidth Product – fT = 2.5 MHz (Min) @ Ic = 1.0 Adc
- Safe Operating Area – Full Power Rating to 40V
Price 180 Birr
https://vector4engineering.com/product/2n3055-high-power-npn-transistor/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0993802995 Vector/0922787347 Kase VECTOR FOUR ENGINEERING