Red Light Rocker Switch
- KCD4
- 15A/250V
- 2 Position
- 4 Pin ON/Off Switch
- 35 x 25.5 x 10mm
Price 120 Birr
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

9V BATTERY PLUG
- Attaches to 9V battery using snap clips
- Standard 2.1mm DC power plug
- 12cm wire length
- handles upto 27V
- ~26AWG wire gauge
Price 80 Birr
https://vector4engineering.com/product/9v-battery-plug/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

16mm LINEAR BEARING WITH HOUSING
SC16UU 16MM LINEAR BEARING
- SC16UU Housing With Linear Bearing Slider Bushing, Bearing For 16mm Shaft
- Dimension : H-38.5mm, W-50mm, L-44mm
- Material : Stainless Steel
- Bore Size : 16mm
- Tolerance : 0-0.009
- Rust Proof
SBR16UU 16MM LINEAR BEARING
- Main parts:Aluminum housing + LM16UU-OPen linear ball bearings
- The built-in material: Bearing Steel
- Bore size:16mm
- Dimension : H-31mm, W-44mm, L-44mm
Price1750 Birr
https://vector4engineering.com/product/16mm-linear-bearing-with-housing/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

BREADBOARD
- Solderless Plug-in BreadBoard 830 tie-Points, 4 Power Rails, 6.5 x 2.2 x 0.3in (165 x 55 x 9mm)
- The BB830 has a 630 tie-point IC-circuit area plus four 50 tie-point power rails.
- The housing is made of white ABS plastic, with a printed legend giving numbers and letters for columns and rows.
- The internal contacts are phosphor bronze with a plated nickel finish.
- A peelable adhesive tape backing is provided for attaching it to a surface and an optional metal back plate is provided.
- BPS BreadBoards are Lead-Free and RoHS Compliant.
Price 700 Birr
https://vector4engineering.com/product/breadboard/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

BANANA PLUG MALE AND FEMALE
- Banana Plug Male and Female to Insert Connector Banana Pin DIY Model Parts.
Package Include:
1 set - 1 male and 1 female
Price 150 Birr
https://vector4engineering.com/product/banana-plug-male-and-female/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

MINI BREADBOARD
- Total of 400 Holes
- 300 Terminal Holes
- 100 Power Distribution Holes
- Solderless Mini Breadboard
- Allows you to easily assemble and test circuits without the use of solder, providing you with a quick and reliable method of prototyping.
- Breadboard rows and columns are numbered and lettered to assist in component placement and polarities marked on each strip power rail.
Price 400 Birr
https://vector4engineering.com/product/mini-breadboard/
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.
- Can be selected by jumper relay and TTL or ground.
- With power indicator,each channel has a status indicator.
- With a relay coil to absorb the diode protection
- Size: 140mm X 55mm
Price 3500 Birr
https://vector4engineering.com/product/8-channel-relay-module/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301

DB3 DIAC
- DB3 DIAC DO-35 Glass Package Diode
- VmBO: 32V
- Max. Forward Current : 10 mA
- Max. Forward Voltage : 36V
- Max. Reverse Current : 10uA
- Max. Reverse Voltage : 28 to 36V
- Functioning as a trigger diode with a fixed voltage reference, the DB3 can be used in conjunction with triacs for simplified gate control circuits or as a starting element in fluorescent lamp ballasts.
Price 50 Birr
https://vector4engineering.com/product/db3-diac/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

1 CHANNEL RELAY MODULE
- Relay Voltage: 5V
- Load: AC250V 10A or DC30V 10A
- High impedance controller pin
- Pull-down circuit for the avoidance of malfunction
- One normally closed contact and one normally open contact
- Triode drive, increasing relay coil
- Power supply indicator LED
- Control indicator LED
- With 4 fixed screw holes, hole diameter 3.1mm, convenient installation, and fixation
Price 450 Birr
https://vector4engineering.com/product/1-channel-relay-module/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

MICRO PUSH BUTTON
- Momentary contact, 4 pins, round black push button, through hole mounting
- Size: 6 x 6 x 5mm.
- Rated Load:DC12V 50mA.
- Contact Resistance:≤0.03Ω
- Insulation Resistance:≥100MΩ
- Withstand Voltage:AC250V
Price 30 Birr
https://vector4engineering.com/product/micro-push-button/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

POTENTIOMETER
- 1K,5k,10K and 100k ohm
- 3 Pin 15mm Shaft potentiometer
- The Rotary potentiometer can deliver adjustable supply voltage to the electrical and electronic circuits.
- Tolerance: 20%
- Shaft Length: 15mm
- Length 20mm
- Width 17mm (Body Diameter)
- Height 24mm
Price 200 Birr
https://vector4engineering.com/product/potentiometer/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

2 CHANNEL RELAY MODULE
-With isolation groove between control area and load area
- Relay Voltage: 5V
- Equiped with high-current Load: AC250V 10A or DC30V 10A
- High impedance controller pin
Pull-down circuit for the avoidance of malfunction
- Control zone and the load zone isolation groove design, double FR-4 circuit board, high-end patch technology, product performance is stable and reliable.
- It can be used as a single chip module for appliance control and work with both DC or AC signals where you can control the 220V AC load.
- Straight Headers for control signals
Price 1250 Birr
https://vector4engineering.com/product/2-channel-relay/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

DHT11 MODULE
- The DHT11 is a commonly used Temperature and humidity sensor that comes with a dedicated NTC to measure temperature and an 8-bit microcontroller to output the values of temperature and humidity as serial data.
- Operating Voltage: 3.5V to 5.5V
- Operating current: 0.3mA (measuring) 60uA (standby)
- Output: Serial data
- Temperature Range: 0°C to 50°C
- Humidity Range: 20% to 90%
- Resolution: Temperature and Humidity both are 16-bit
- Accuracy: ±1°C and ±1%
Price 600 Birr
https://vector4engineering.com/product/dht11-module/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

R307 FINGER PRINT SENSOR
- R307 Optical Fingerprint Reader Module
- Type: Optical
- Backlight: Blue
- Interface: USB2.0/UART(TTL logical level)
- RS232 Communication Baud Rate: 9600BPS~115200BPS changeable
- Verification Speed: 0.1 sec
- Scanning Speed: 0.2 sec
- Character File Size: 256 bytes
- Template Size:512 bytes
- Storage Capacity: 1000
- Security Level: 5 (1,2,3,4,5(highest)
- FRR (False Rejection Ratio): ≤1%
- FAR (False Acceptance Ratio): ≤0.0001%
- Resolution: 500 DPI
- Voltage: DC 4.2 - 6V
- Working Current: 50mA (Typical)
- Peak Current: 75mA
- Matching Method: 1 : N
- Operating Temperature: -20 - 50 °
- Image Capture Surface: 1.5×1.1mm
- Overall Size: 4.5×2.4x2cm
Price 2500 Birr
https://vector4engineering.com/product/r307/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

DHT22
- The DHT22 is a commonly used Temperature and humidity sensor. The sensor comes with a dedicated NTC to measure temperature and an 8-bit microcontroller to output the values of temperature and humidity as serial data. The sensor is also factory calibrated and hence easy to interface with other microcontrollers.
- Operating Voltage: 3.5V to 5.5V
- Operating current: 0.3mA (measuring) 60uA (standby)
- Output: Serial data
- Temperature Range: -40°C to 80°C
- Humidity Range: 0% to 100%
- Resolution: Temperature and Humidity both are 16-bit
- Accuracy: ±0.5°C and ±1%
Price 950 Birr
https://vector4engineering.com/product/dht22/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

LED
- Red, Blue, Green, Yellow or White
- 5mm LEDs are incredibly bright with a wide beam angle.
- They’re suitable for use in your projects, illuminations, car lighting, models or anywhere where you need low power, high-intensity reliable lighting or indication.
- They fit easily into a breadboard.
- The lens has a frosted effect, which distributes the light evenly.
Price 5 Birr
https://vector4engineering.com/product/led/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

ESP 8266 WIFI MODULE
- Power Supply: +3.3V only
- Compact and powerful Wi-Fi Module
- Current Consumption: 100mA
- I/O Voltage: 3.6V (max)
- I/O source current: 12mA (max)
- Built-in low power 32-bit MCU @ 80MHz
- 512kB Flash Memory
- Can be used as Station or Access Point or both combined
- Supports Deep sleep (<10uA)
- Supports serial communication hence compatible with many development platform like Arduino
- Can be programmed using Arduino IDE or AT-commands or Lua Script
Price 750 Birr
https://vector4engineering.com/product/esp-8266-wifi-module/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING

NRF 2.4GHZ WIRELESS RADIO TRANSCEIVER MODULE
- Worldwide 2.4GHz ISM band operation
- Up to 2Mbps on air data rate
- Ultra low power operation
- 11.3mA TX at 0dBm output power
- 12.3mA RX at 2Mbps air data rate
- 900nA in power down,22μA in standby
- On chip voltage regulator
- 1.9 to 3.6V supply range
- Enhanced Shock Burst
- Automatic packet handling
- Auto packet transaction handling
- 6 data pipe Multi-receiver
- 5V tolerant inputs
Price750 Birr
https://vector4engineering.com/product/nrf/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERIN

SWITCH KCD3
- KCD3 On-Off 2 position
- Poles: SPST
- Action Type : Latching
- Voltage/Current: AC 250V/15A 125V/20A
- Color : Red
- Mounting Size: 27 mm x 10mm(L*W)
- Overall Size: 31mm x 14mm x 35mm(L*W*H)
Price 150 Birr
https://vector4engineering.com/product/switch-kcd3/
Address – Megenagna, Zefmesh Grandmall 3rd floor 301
0922787347 Kase/0924468599 Haben
VECTOR FOUR ENGINEERING