Vector Four Enginnering/Arduino Shop/ Electronics Supermarket
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(Arduino Shop)
website: www.vector4engineering.com
Telegram contact @VectorZEF @VectorYOB
@Vector111
and Call @ 0993802995/097022227 telegram: https://t.me/vectorfour
A/A, Megenagna, Zefmesh mall, 3rd floor, shop 301
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2 Channel Relay Module 12V

- Type: 2 channel
- Relay Voltage: 12V
- Current when the relay is active: ~70mA
- Relay maximum contact voltage – 250VAC or 30VDC
- Relay maximum current – 10A
- Low-level trigger
- With 2 normally open contacts and 2 normally closed contacts.
- Opto-isolated inputs.

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Price 850 birr
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https://vector4engineering.com/product/12v-2-channel-relay-module/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
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4 Channel Relay Module

- Type: 4 channel
- Relay Voltage: 5V
- Current when the relay is active: ~70mA
- Relay maximum contact voltage – 250VAC or 30VDC
- Relay maximum current – 10A
- Low-level trigger
- With 4 normally open contacts and 4 normally closed contacts.
- Opto-isolated inputs. Standard interface that can be directly controlled by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic active low)

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Price 1750 birr
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https://vector4engineering.com/product/4-channel-relay-module/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
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PIC16F628A Microcontroller

- The PIC16F628A ICcomes with 128 bytes of EEPROM data memory, 4MHz internal oscillator, two 8-bit and one 16-bit timer, USART, PWM, two comparators and programmable low voltage reference that make it suitable for appliances, automotive, industrial and consumer applications.
- Program Memory (KB) 3.5 KB
- CPU Speed (MIPS) 5
- RAM Bytes 224 bytes
- Data EEPROM 128 bytes
- Number of Pins 18
- Operating Voltage (V) 2 – 5.5 V
- Number of I/O pins 16

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Price 300 birr
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https://vector4engineering.com/product/pic16f628a-microcontroller/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
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AT89S52 Microcontroller

- The AT89S52 comes from the popular 8051 family of Atmel Microcontrollers. It is an 8-bit CMOS microcontroller with 8K as Flash memory and 256 bytes of RAM.
-Program Memory Type Flash
- Program Memory (KB) 8KB
- RAM Bytes 256 x 8-bit
- Number of Pins 40
- Operating Voltage (V) 4 to 5.5 V
- Number of Programmable I/O pins 32
- Communication Peripherals UART(1)
- Ideal for Projects requiring Multiple I/O interfaces and communications. Advanced level A/D applications in automotive, industrial, appliances and consumer applications.

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Price 850 birr
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https://vector4engineering.com/product/at89s52-microcontroller/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
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PIC16F877A Microcontroller

- PIC16F877a is a 40-pin PIC Microcontroller, designed using RISC architecture, manufactured by Microchip and is used in Embedded Projects.
- Program Memory (KB) 14KB
- CPU Speed (MIPS) 5 MIPS
- RAM Bytes 368
- Data EEPROM 256 bytes
- Operating Voltage (V) 2-5.5V
- Number of I/O pins 33
- ADC Module 8 channel, 10-bit
- Communication Peripherals UART(1), SPI(1), I2C(1), MSSP(SPI/I2C)
- External Oscillator Up to 20Mhz
- It is used in remote sensors, security and safety devices, home automation and many industrial instruments. It has a smaller 35 instructions set.

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Price 850 birr
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https://vector4engineering.com/product/pic16f877a-microcontroller/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
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SN74LS47N Encoder/Decoder

- The SN74LS47N is a Low Power Schottky BCD to 7-Segment Decoder/Drivers feature active-low outputs, designed for driving, common-anode LEDs or incandescent indicators directly.
- Display Type LED
- Configuration 7 Segment
- Interface BCD
- Current Supply 7mA
- Voltage Supply 4.75V-5.25V
- It accepts 4-bit binary-coded-decimal (BCD) and depending on the state of the auxiliary inputs, decode this data to drive a 7-segment display indicator.

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Price 100 birr
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https://vector4engineering.com/product/sn74ls47n/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
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Rotary Encoder

- Model: KY-040
- Working Voltage: 5V
- Pulses/360Β° Rotation: 20
- Output: 2-bit gray code
- Mechanical Angle: 360Β° continuous
- The KY-040 rotary encoder is a rotary input device that provides an indication of how much the knob has been rotated and what direction it is rotating in. It’s a great device for stepper and servo motor control. You could also use it to control devices like digital potentiometers.
- Compatible with Arduino/Raspberry Pi controller board.

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Price 500 birr
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https://vector4engineering.com/product/rotary-encoder/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
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Joystick Module

- Dual Axis Joystick Module
- Two independent Potentiometer: one for each axis ( X and Y)
- Auto return to center position
- Compatible to interface with Arduino or with most microcontrollers
- The X and Y axes are two 10k potentiometers which control 2D movement by generating analog signals. It will output two analog values, representing two directions
- The Output value will increase with joystick movement and will go up till maximum 5V; the value will decrease when the joystick is moved in other direction till 0V
- A push button is activated when the joystick is pushed down on the Z axis.

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Price 750 birr
🌐
https://vector4engineering.com/product/joystick-module/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
16*2 LCD Display

- Alphanumeric LCD display module to display letters(alphabets), numbers, symbols and custom generated characters.
- Operating Voltage is 4.7V to 5.3V
- Current consumption is 1mA without backlight
- Consists of two rows and each row can print 16 characters. 32 characters per screen for effective information
- Each character is build by a 5Γ—8 pixel box
- Can work on both 8-bit and 4-bit mode
- While the Serial Monitor is a handy way to debug and display data, it’s not always the most convenient or portable solution. That’s where character LCDs come in! These simple screens are perfect for displaying real-time data.

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Price 750 birr
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https://vector4engineering.com/product/162-lcd-display/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
16*4 LCD Display

- Alphanumeric LCD display module to display letters(alphabets), numbers, symbols and custom generated characters.
- Operating Voltage is 4.7V to 5.3V
- Current consumption is 1mA without backlight
- Consists of four rows and each row can print sixteen characters. 64 characters per screen for effective information
- Each character is build by a 5Γ—8 pixel box
- Can work on both 8-bit and 4-bit mode
- These simple screens are perfect for displaying real-time data, system status, or just giving your project a personal touch.

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Price 950 birr
🌐
https://vector4engineering.com/product/164-lcd-display/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
20*4 LCD Display

- Alphanumeric LCD display module to display letters(alphabets), numbers, and symbols. It can also display any custom generated characters.
- Operating Voltage is 4.7V to 5.3V
- Current consumption is 1mA without backlight
- Consists of four rows and each row can print twenty characters. 80 characters per screen for effective information
- Each character is build by a 5Γ—8 pixel box
- Can work on both 8-bit and 4-bit mode

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Price 1,500 birr
🌐
https://vector4engineering.com/product/204-lcd-display/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
Voltage Regulator L7805

- The 7805 Voltage Regulator IC is a commonly used voltage regulator that finds its application in most of the electronics projects. It provides a constant +5V output voltage for a variable input voltage supply.
- 5V Positive Voltage Regulator
- Minimum Input Voltage is 7V
- Maximum Input Voltage is 25V
- The output current of this IC can go up to 1A

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Price 50 birr
🌐
https://vector4engineering.com/product/l7805/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
Voltage Regulator L7905

- Negative voltage regulators are mainly used in Op-Amp and other circuits where a negative supply voltage is needed. In many cases where an Op-Amp is working in dual mode power supply a negative voltage will be regulated by these 79XX ICs. Also these IC’s will be able to source current into the ground rail instead of sinking it as normally
- Output Voltage: -5V
- Output Current: 1.5A
- Minimum Input Voltage is 7V
- Maximum Input Voltage is 25V

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Price 50 birr
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https://vector4engineering.com/product/l7905/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
Voltage Regulator L7806

- The 7806 Voltage Regulator IC is a commonly used voltage regulator that finds its application in most of the electronics projects. It provides a constant +6V output voltage for a variable input voltage supply.
Fixed voltage linear regulator
- Mounting type: through hole
- Product series: L78
- Polarity: Positive
- 8-35V input voltage range
- 6V fixed output voltage
- 1.5A continuous current with 2.2A surge capability

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Price 50 birr
🌐
https://vector4engineering.com/product/l7806/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
USB to TTL Adapter

- PL2303 UART Module integrated with PL2303, which is a single-chip USB to UART bridge IC.
- It provides a simple solution to update the design of the RS-232 using minimal components. Virtual COM Port (VCP) allows device drivers as a COM port in PC applications. It allows an asynchronous serial data bus (UART) with a USB 2.0 full-speed function controller, USB transceiver and full modem control signal.
- ISP In-Circuit Programming
- Standard USB type A male and TTL 6pin connector
- Supports USB 1.1 or USB 2.0 communication
- It has LEDs on the data lines that provide data transfer status in real-time.

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Price 650 birr
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https://vector4engineering.com/product/usb-to-ttl-adapter/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
Heart ECG Monitoring Sensor

- Designed to extract, amplify, and filter small biopotential signals in the presence of noisy conditions. This sensor is used to measure the electrical activity of the heart.
- This electrical activity can be charted as an ECG(Electrocardiogram) and output as an analog reading.
- The AD8232 is an integrated signal conditioning block for ECG and other biopotential measurement applications.
- Analog Output
- 3.5mm Jack for Biomedical Pad Connection
Package Includes :-
- 1 x ECG Sensor
- 1 x 60cm Cable Leads
- 3 x Disposable Surface Electrode

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Price 3,500 birr
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https://vector4engineering.com/product/heart-ecg-monitoring-sensor/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
EMG Muscle Sensor Module

- This Muscle Sensor v3 measures, filters, rectifies, and amplifies the electrical activity of a muscle and produces an analog output signal that can easily be read by a microcontroller, enabling novel, muscle-controlled interfaces for your projects. Outputting 0-Vs Volts depending the amount of activity in the selected muscle, where Vs signifies the voltage of the power source.
- Power Supply : minimum voltage is Β±3.5V
Package Includes :-
- 1 x EMG Sensor
- 1 x Professional EMG Cable
- 3 x Disposable Surface Electrode

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Price 4,500 birr
🌐
https://vector4engineering.com/product/emg-muscle-sensor-module-v3-0/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
Voltage Regulator L7808

- The 7808 Voltage Regulator IC is a commonly used voltage regulator that finds its application in most of the electronics projects. It provides a constant +8V output voltage for a variable input voltage supply.
- Mounting type: through hole
- Product series: L78
- Polarity: Positive
- 8-35V input voltage range
- 8V fixed output voltage
- 1A continuous current with 1.5A surge capability

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Price 50 birr
🌐
https://vector4engineering.com/product/l7808/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
Voltage Regulator L7908

- Output Voltage: -8V
- Output Current: 1.5A
- Minimum Input Voltage is -8V
- Maximum Input Voltage is -35V
- Voltage drop -1.1V@1A

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Price 50 birr
🌐
https://vector4engineering.com/product/voltage-regulator-l7908/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch
Voltage Regulator L7809

- The 7809 is a fixed voltage linear regulator that can output 9V at up to 1A current with an input voltage range of 11 – 35V.
- Minimum Input Voltage is 11V
- Maximum Input Voltage is 35V
- Output Current: 1.5 A
- Fixed output voltage 9V

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Price 50 birr
🌐
https://vector4engineering.com/product/l7809/
πŸ“- Megenagna, Zefmesh Grandmall 3rd floor 301
πŸ“- Mexico(sengatera), Yobek Building 7th floor 709A
πŸ“- Mekelle around Romanat to CBE Road, @ Humera Hotel Ground floor
0993802995 Vector Megenagna
0970222227 Vector Mexico
0953888899 Vector
Mekelle Branch