Vector Four Enginnering/Arduino Shop/ Electronics Supermarket

Glue Gun and Glue sticks 80W/ 100-240 AC Voltage Hot Melt Glue Guns that are used to for toy models, artificial flowers, Christmass tree decorations, wood products, card papers, electronic circuits etc. Insert the glue stick and switch on the power supply to preheat the gun from 5-8 minutes. The glue can uses glue stickcs with a diameter from 10.8mm - 11.5mm. Price of Glue Gun 650 BIrr Price of Glue stick per unit 20 BIrr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

USB Host Shield. Compatible with following hardwares: Arduino Uno, Arduino Diecimila / Duemilanove 328, Arduino Mega 2560 (Recommended), Arduino Mega 1280 - After achieving the Arduino USB HOST function, can communicate with other USB devices, and support USB HUB function. Price 600 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

Ethernet Shield. Based on the W5100 Wiznet. W5100 allows an uno board to connect to the internet. Stackable Design, can directly support Arduino official Ethernet Library. Supports up to four simultaneous socket connections. Can use to store files for serving over the network. Compatible with the Uno as well as Mega (1280/2560). Can be accessed using the Mini SD TF library. Operating voltage is 5V. Ethernet Controller: W5100 with internal 16K buffer. Connection speed is 10/100Mb. Price 650 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

GPIO Extension Board with Ribbon Cable. 40 Pin GPIO Extension Board with 40 Pin Rainbow Color Ribbon Cable for Raspberry Pi 1 Models A+ and B+, Pi 2 Model B, Pi 3 Model B, B+ and Pi Zero. Specifically designed for Raspberry Pi Model B+. With this kit you can connect your Raspberry Pi Model B+ 40 pin GPIOs direct to a breadboard. Package List Includes : (1) GPIO Extension Board x1 (2) 40 Pin GPIO Rainbow Color Ribbon Cable x1 Price 300 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

12V LED Display Timer Relay Module Delay Programmable Switch Board Car Buzzer. Specification: Product Name: Programmable timer relay module Working voltage: DC12V (normal operating voltage DC10V-16V) Source: DC4V ~ 20V (positive trigger common power button, PNP sensors, PLC signals, etc.) Output capability: You can control the DC or AC 220v5A within 30v5A within Quiescent Current: 20mA, working current: 50mA Working temperature: -40 ~ 85'C; Anti-reverse voltage input circuit, worry-free wiring. Signal input optocoupler isolation, anti-interference ability. Set the parameters of power and permanent memory. Powerful flash MCU online programming capabilities. Price 400 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

Arduino Uno Kit Package includes: Arduino Uno, 16*2 LCD display with I2C module, Breadboard, Ultrasonic sensor, Stepper motor with ULN2003 driver, Mini Servo motor, DHT11(temperature and Humidity sensor), Joystick Module, Water level Sensor, Sound Sensor, Keypad 4*4, RFID, 8*8 Dot matrix display, One Channel 5V relay, Real Time Clock Module,Single and 4 digit seven segment display, resistor set, a few capacitors and transistors, LEDs, RGB module, 9V battery Plug, Jumper wires, LM35 temperature sensor, Infrared receiver, Flame Sensor, LDR(Light dependent resistor), Remote Controller, Ball Switch, push button etc. Price 3000 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

DYMH-103 Mini Tension and Compression Force Sensor Load Cell. High accuracy, good stability,0-20kg Sensitivity: 1.0-1.5 mV/V Material: Stainless steel 5- small size, low height, corrosion-resistant. Applicable to space limited use. Price 1500 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

MQ-131 Gas Sensor Ozone detector. the signal light indicates the output; Dual signal output (analog output, and TTL-level output); TTL output valid signal is low; (low output signal light, can be accessed by the microcontroller IO port) the analog output increases with the concentration, the higher the voltage the higher the concentration; ozone gas with high sensitivity (detection concentration range 10PPB-2PPM Ozone) long life and reliable stability; Fast response characteristics; MQ131 gas sensor has high sensitity to Ozone, also sensitive to O3 CL2, NO2, etc. The sensor’s conductivity is more higher along with the gas concentration rising. Please use simple electrocircuit, Convert change of conductivity. Price 1500 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

high power 12V 3PIN 15W 15000mW blue laser head for DIY LASER ENGRAVER and CNC cutting laser module. THIS IS NOT A FOCUSABLE LASER, ITS FIXED FOCUS, FOR ENGRAVING MACHINE ONLY!! Can engrave & mark on stainless steel, very powerful. Size: 40*70mm Drive mode: external ACC constant current drive Cooling method: forced air cooling Operating voltage: 12V DC Control interface: 2 * 2.54 (TTL control switch, PWM control power) Shell material: aluminum, surface anodized Collimator lens: optical glass coating Price 14,500 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

1-8S Lipo Li-ion/Fe Battery Voltage Tester Low Voltage Buzzer. Use for 1-8s Lipl/Li-ion/LiMn/Li-Fe. Voltage detection pricision: 0.01V. Unit voltage display range: 0.5V-4.5V. Total voltage display range: 0.5V-36V. 1S test mode voltage range: 3.7v-30v. Low voltage alarm mode for 2-8S. Alarm set value range: OFF-2.7V-3.8V. When the voltage is below the set value,it will buzzer with red LED light,pre-set value 3.3V. Push key which can change the voltage settings and save. Price 200 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

A88 metal detector non-contact metal sensing detection module. Price 400 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

GY-273 HMC5883L Triple Axis Compass Magnetometer Sensor Module. Features & Specifications Operating Voltage: 3V to 6V DC I2C interface 1-2 degree heading accuracy Integrated 12-bit ADC 160Hz max data rate Range of -8 to +8 Gauss Needs no external components Easy to use with Microcontrollers or even with normal Digital/Analog IC Small, cheap and easily available Price 300 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

ADXL337 Accelerometer for Arduino Projects. Triaxial accelerometer analog output. Price 400 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

15MM PU Open Belt T5 Timing Belt Width 15mm Polyurethane with steel core. (Fit for CNC machines,Laser machine,Engraving machine,and cutting machine!) Price 400 Birr per Meter Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

NRF24L01 2.4GHz Wireless Radio Transceiver Module. The NRF24L01 is a highly integrated, ultra low power (ULP) 2Mbps RF transceiver IC for the 2.4GHz ISM (Industrial, Scientific and Medical) band. With peak RX/TX currents lower than 14mA, a sub μA power down mode, advanced power management, and a 1.9 to 3.6V supply range, the nRF24L01 provides a true ULP solution enabling months to years of battery lifetime when running on coin cells or AA/AAA batteries. The Enhanced ShockBurst™ hardware protocol accelerator additionally offloads time critical protocol functions from the application microcontroller enabling the implementation of advanced and robust wireless connectivity with low cost 3rd-party microcontrollers. Price 300 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

ZMPT101B AC Voltage Sensor Module. The sensor will sample the input and output an analog voltage, in the region of 0 - 5V. This makes it easy to use in power monitoring applications and checking supplies. Input voltage range: 0 - 250 V AC Output voltage range: analog 0 - 5 V AC PCB board size: 50x19mm Rated Input Current: 2mA Retardation (rated input): “20′ (input 2mA, sampling resistance 100Ω) Operating temperature: -40°C - +70°C Price 350 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING

MQ-7 Carbon Monoxide/CO Sensor Module for Arduino Detection of concentration 10-1000ppmCO Loop voltage: 10V DC Heater voltage: 5V±0.2V ACorDC(high), 1.5V±0.1V ACorDC(low) Load resistance: adjustable Heating resistor: 31±3(indoor temperature) Heating dissipation: 350mW Sensitive part surface resistance: 2K-20K Sensitivity: Rs(in air)/Rs(100ppmCO)5 Concentration gradient: 0.6 Temperature, humidity: 20±2, 65%±5%RH Standard test circuit: Vc: 5v ±0.1v, Vh(high): 5v ±0.1v, Vh(low): 1.5v ±0.1v Price 500 Birr Address Megenagna Zefmesh Grandmall 3rd floor 301 0922787347/0924468599/0923522790 VECTOR FOUR ENGINEERING