It allows controlling up to 2 direct current motors or a bipolar stepper motor. It also allows to control a unipolar stepper motor configured as bipolar.
Ideal for projects with ARDUINO.
You can use it with PIC, AVR, STM32.
L298N Motor Drive Controller Board Module Dual H Bridge DC features:
- Minimum operating voltage: 5 V
- Maximum operating voltage: 35 V
- Maximum current: ± 2 A
- Logic voltage: 5V
- PWM signal inputs for speed control
- Outputs: for 2 DC motors or for a bipolar stepper motor
- Measures: 43x43x24 mm
Helpful Links:
Operation of the robot by Infrared / Operation of the robot by Bluetooth / Automatic operation with detection of obstacles

The 28BYJ-48 has everything you need to start using stepper motors in your project
A stepper motor converts digital impulses into small steps of movement in one direction The engine also comes with a ULN2003 engine controller card
Can control two DC motors or a bipolar stepper motor with a maximum amperage of up to 500 mA
Equipped with state indicator LEDs A, B, C, D 5V Stepper Motor 28BYJ-48 + ULN2003 Driver Boat features:
- Engine model: 28BYJ-48
- Phases engine: 4
- Operating voltage: 5V
- Frequency: 100 Hz
- Operating current: 200mA
- Max Power: 20W
- Winding resistance: 70 ohm
- Angle per step: 5,625º
- Steps per round: 64
- Torque: 0.3 Kgr / cm
- Speed: 1900 rpm

The optical module sensor (reflective) with comparator LM393, which detects obstacles with high precision.
The ideal obstacle detection detector for the installation of smart robots.
TCRT5000 - reflective optical sensor that has a compact construction where the light emitter and receiver are placed in the same direction to detect the presence of a object using infrared reflection on the object.
The working wavelength is 950nm.
The transmitter is infrared LED and the phototransistor receiver.
By using LM393 comparator the module has a binary output (D0) that is at level 1 (object is detected).
The sensor allows the detection of an object at a distance of up to 12 mm.

40x Male to male cables 10cm features:
- Length: 10cm
- Quantity: 40 cables
- Dupont male connectors on both ends
- Compatible with 2.54mm female connectors
- High quality and good working condition
- Easy to install and use

Buzzer alarm to convert electrical to acoustic signals in robotics devices and Arduino projects.
Buzzer 5V Active Buzzer 4 to 7V DC features:

- Input voltage: 4V to 7V
- Diameter: 12mm
- Height: 9.5mm
- Spacing Pins: 7.6mm
- Maximum Current:

Electronic Antistatic Wrist Bracelet ESD Blue features:
- Electronic Antistatic Bracelet, blue color
- Protection against electrostatic charges
- Adjustable bracelet with crocodile clip connector
- Material: The conductive elastic band is made of nylon and woven in stainless steel
- Extensible length up to 180 centimeters
- Weight: 25 gr.
- Quantity: 1 loose unit in plastic bag

Push button 6x6x4mm features:
-Touch Push Tact Switch mini electronic Arduino push button
-Measures: 6x6x4.3mm

40x Female Male 10cm features:
- Length: 10cm
- Quantity: 40 cables
- Compatible with 2.54mm male connectors
- High quality and good working conditions
- Easy to install and use

Characteristic:
-10k OHM kΩ - linear potentiometer 10k Arduino
-Tolerance: +/- 20%
- Power: 0.125W

Ideal to power your Arduino board through the power input.
Adapter Battery 9V 6F22 Jack Connector DC features:
- Cable 7cm long
- Battery connector 9V, 6F22
- Male connector DC 5.5 / 2.5

Photoresistance is a resistor whose resistance decreases as the intensity of the light that falls on it increases. 10x Photoresistor GL5539 LDR 50k - 100k features:
- Model: GL5539
- Spectral peak: 540nm
- Maximum DC voltage: 150V
- Maximum power: 100mW
- Resistance with light (10lux): 50-100KΩ
- Resistance with darkness (0lux): 5MΩ
- Response time: 20ms
- Operating temperature: -30ºC - 70ºC

Characteristic: -Length: 20cm
-Quantity: 40 cables
-Mono Dupont connectors on both ends
-Compatible with 2.54mm female connectors
-High quality and good working condition
-Easy to install and use

40x Cables Female-Male 20cm features:
-Length: 20cm
-Quantity: 40 cables
-Connectors have male and female header contacts at either end
-Compatible with female connectors 2,54mm
-High quality and good working conditions
-Easy to install and use

Resistor 150R Ohm 5% 0,25W 1/4W features:
-150R Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm

Tower Pro Micro Servo 9g SG90 360 degree features:
- Operating voltage: 3.0-7.2V
- Speed (4.8V without load): 0.12sec / 60 degrees
- Strength: 1.2kg / 42.3oz (4.8V); 1.6 kg / 56.4oz (6.0V)
- Working temperature: -30 to +60 degrees C
- Cable length: approx. 23cm
- Includes photo accessories and screws
- Dimensions: 22x11.5x27mm

5x Push Switch Button B3F Omron Red Key 12mm features:

- 5x Push Buttons B3F Omron Key
- Maximum current: 50 mA
- Tension DC: 24V
- Operating force: 1.27N
- Switch terminals: weldable
- Contact: SPST-NO
- Contact resistance: 100M Ohm
- Type of action: Superficial
- Measures: 12x12x7.3mm

15x Electrolytic Capacitor 4,7uF 50V 105ºC PIC Arduino features:
-Type: Electrolytic Capacitor
-Assembly: intern
-Value: 4.7uF
-Maximum tension: 50V
-Maximum temperature: 105º C
-Dimensions: 5x11mm
-Quantity: 15 units

LCD display consists of a 16-character, 2-rows.
The display is compatible with the HD44780 controller
Ideal for projects with Arduino
You can use it with PIC, AVR, STM32 and many more controllers.

Push button 6x6x4mm features:
-Touch Push Tact Switch mini electronic Arduino push button
-Measures: 6x6x45mm
-Quantity: 1 unit

The 28BYJ-48 has everything you need to start using stepper motors in your project. A stepper motor converts digital impulses into small movement steps. in one direction Characteristic: - Motor model: 28BYJ-48
- Motor phases: 4
- Operating voltage: 5V
- Frequency: 100 Hz
- Operating current: 200mA
- Max Power: 20W
- Winding resistance: 70 ohm
- Angle per step: 5,625º
- Steps per lap: 64
- Torque: 0.3 Kgr / cm
- Speed: 1900 rpm
- Operating temperature: -45ºC to + 125ºC
- Motor cable length: 19cm
- Motor block diameter: 28mm
- Motor dimensions: 42mm x 32mm x 30mm

It consists of a 16-character, 2-row display.
The display is compatible with the HD44780 controller.
Ideal for projects with ARDUINO.
You can use it with PIC, AVR, STM32. Characteristic: - LCD screen, 16 characters and 2 lines - 5V power supply
- HD44780 compatible controller
- Backlit blue background, black letters
- Include an adjustable contrast pin
- Dimensions (mm): 80 x 36 x 12

DC Gear Motor 6V 148 Arduino features:
- Voltage: 3 to 6Vdc
- Speed without load: 100 RPM to 6Vdc
- No-load current: 90mA to 3Vdc - 180mA to 6Vdc
- Reduction: 1:48

- It has an Atmega328P chip running at 16Mhz with factory-loaded bootloader
- The Uno R3 module has all the Arduino Uno R3 connectors and is compatible with all Arduino shields
Characteristic:
- ATmega328P 16MHz chip with external quartz crystal
- Microprocessor: ATMega328P
- Operating voltage: 5V
- Input voltage (recommended): 7-12V
- Input voltage (limits): 6-20V
- Clock speed: 16 MHz
- Digital I / O pins: 14 (6 with PWM)
- Analog input pins: 6
- DC current for Pin I / O: 20 mA
- Flash32 KB of which 0.5 KB are used by the bootloader - AtMega328P
- SRAM 2 KB - AtMega328P
- EEPROM 1 KB - AtMega328P
- Communication: USB female Type B

DC Gear Motor and Tire Wheel for Smart Car Robot features:
- Voltage: 3 to 6 Vdc
- Reduction: 1:48
- Speed without load: 100 RPM to 6Vdc
- No-load current: 90mA to 3Vdc - 180mA to 6Vdc
- Dimensions of the wheel: diameter 65mm - width 26 mm

IIC/I2C adapter PCF8574 LCD 1602 1604 2004 Interface features:
- Based on the PCF8574A chip
- Power: 5V
- Supports I2C Protocol
- A potentiometer for regulate contrast
- Dimensions: 19x42mm PCF8574 - & gt; the default address 0x20
PCF8574A - & gt; the default address 0x3F - You can change anyone between 0x20 and 0x27 depending on whether or not you have soldered pins A0 A1 A2 - With this module the communication between the Arduino and the LCD It is only made through two outputs, SDA and SCL
- Up to 8 LCD screens can be connected to the same I2C bus choosing a different address - Ideal for projects with ARDUINO and Raspberry Pi platforms - You can use it with PIC, AVR, STM32

Product Category: Bipolar Transistor, PNP
BC557B 50V PNP Transistor 100mA 0.1A TO-92 features:

- Package / Case: TO-92
- Quantity: 25 units
- Collector-base voltage VCBO: 50V
- Collector-emitter voltage VCEO: 45V
- VEBO emitter-base voltage: 6V
- Continuous collector current: 100mA
- DC MAX collector current: 200mA
- Maximum power dissipation: 500mW

The piezoelectric buzzer has a simple structure in which a ceramic piezoelectric disk is affixed to a vibrating plate. An alternative voltage applied to this element will cause a contraction or diametrical expansion of the element. This feature is used to fold a vibrating plate, which generates sounds. 2x Passive Buzzer 5V features:

- Input voltage: 3V to 12V
- Diameter: 12mm
- Height: 7.5mm
- Pin spacing: 6.5mm
- Impedance: 16 Ohm
- Working frequency: 2 to 5 KHz
- Quantity: 1 unit

M4 made of nylon for screws and fixings on PCB boards, model airplanes, DIY projects.
It can be used in prototyping and robotics projects. 25x M4x15 Nylon Round Separator Polyamide Insulators PCB features:
- Material PA66
- Type: female / female
- Inner diameter M4
- Length body: 15mm
- Quantity: 25 units
- Color: white

10x Linear Potentiometers 10k OHM kΩ features:
- Horizontal variable resistance PCB
- 10k Ohm kΩ Linear
- Quantity: 10 units

For Arduino, Smart Car, Robotics.
Small electric motor magnet for direct current (DC). Micro Motor 3V 5V 6V DC DIY Arduino UNO Mega Robotics features:
- Operating voltage: 1.5V to 6V
- DC current: 350mA
- Torque max.: 15g / cm
- Max speed: 12000rpm
- Weight: 16.5 g

Blue 2 pole PCB mount screw terminal 5.08mm pitch Printed Circuit Board Terminal 2 poles 5.08mm pitch features:
Number of Contacts: 2
Pitch: 5.08mm
Number of Rows: 1
Mounting Type: PCB
Gender: Male
Allowable Section: 1.5mm2 (22- 14 AWG)
Termination method: screw
Type: screw terminal block
Nominal current: 16A
Nominal voltage: 250V
Color: blue
Material: Nylon 66
Depth: 10mm
Width: 7.5mm
Length: 10mm

Product Category: Bipolar Transistor, NPN.
2N2222 NPN 40V 800mA 300MHz transistor features:

- Package / Case: TO-92
- Quantity: 20 units
- Collector-base voltage VCBO: 75V
- Collector-emitter voltage VCEO: 40V
- VEBO emitter-base voltage: 6V
- Continuous collector current: 600mA
- DC MAX collector current: 800mA
- Maximum power dissipation: 1.6W

LED Display 1-Digit 7-Segment Red Common Cathode features:
- Supply voltage of the segments: 3 VDC
- LED color of the segments: red
- Digit length: 14.2mm
- Digit width: 8.1mm
- Pin numbers: 10
- Diameter of pins: 0.51mm
- Step between pins: 2.54mm
- Consumption current per segment: 30mA
- Maximum admissible current per segment: 70mA
- Direct current by segment (pulse operation): 30mA
- Number of digits: 1
- Segment numbers by digit: 7
- Operating temperature: -25 ° C - + 85 ° C
- Storage temperature: -30 ° C - + 85 ° C
- Screen with common cathode connection
- Screen size: 12.6x19x8 mm
- This product is a 1 digit screen composed of 7 red LED segments with excellent brightness and features:.

Arduino compatible IR motion detector with a detection range of 7 meters and an operating angle of 120º.
An electric pyro sensor , which can detect infrared radiation levels - detect a change in the average IR levels of your detection zone.
Ideal for projects with ARDUINO, PIC, AVR, STM32. HC-SR501 Motion Detector Module Passive Infrared PIR Sensor features:
- Infrared sensor with control circuit
- Adjustable sensitivity and time
- Operating voltage: 4.5V- 20V
- Consumption in Idle state:

1 Channel Relay Module DC 5V 10A Low/High Trigger for Arduino features:
- Channel: 1 (protected with Optocoupler)
- Supply voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator
- Dimensions: 30x 54mm
- Has a jumper that allows to choose type of trigger signal (low / high)
- This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)

Male 40 Pin Header 1x40 features: Type: Male, Insertion position: Vertical, Separation between pins: 2.54mm

Mini ESP8266 ESP12E CH340 WiFi Development
NodeMcu module based on ESP8266 controller and programming in Lua language
NodeMcu it is equipped with 10 GPIO, PWM, I2C, 1-wire and ADC
It works as a standard WiFi 802.11 b / g / n 2.4 GHz
Wemos D1 Mini ESP8266 ESP12E CH340 WiFi Wireless Development features:

- Compatible with Arduino, programming with the Arduino IDE
- Power supply voltage: 5V
- LOGICAL LEVELS: 3.3V
- 11 input / output pins
- 1 ADC (input: 0-3.3V)
- Supported protocols: 802.11 b / g / n
- Network support: 2.4 GHz - Band: 2400 (MHz)
- Wi-Fi Direct (P2p), Soft Access Point
- Integrated TCP / IP stack
- PLL, regulators and power management units Integrated

10x Push button 6x6x9mm features:
-Touch Push Tact Switch mini electronic Arduino push button
-Measures: 6x6x9mm
-Quantity: 10 units

Characteristic: - Supports up to 280ºC
- Electrical and antistatic insulation
- Resistant to acid and alkaline products
- Resistant to solvent
- Adhesive
- Length Approx: 33m
- Polyamide adhesive tape 10mm 
- Known as Kapton polyamide tape
- Product for welding works on those that need to protect some component from the heat

An RS232 serial port to your PC through the USB port USB 2.0 A Serial Port Cable Adapter DB9 RS232 Series features:
- CH341 driver
- Supported OS: WinME, Win2003, Win XP, Vista, Win 7, Linux, MAC OS9.0/OSX
- High quality, shielded cable
- Power and data in the same cable, does not require more adapters
- Compatible USB interface 1.1 and 2.0
- Support up to 1 mega data transfer
- Length 73cm The adapter allows you to connect a computer with: - Electric meters
- Decoders, programmers
- Cash registers
- Satellite TV
- Control panels
- Mobile phones
- Diagnostic interfaces for cars
- The administration of Cisco routers