Power Supply Transformer 220V AC/DC 2A 12V features:
- Input voltage: 100~240V 50Hz
- Output voltage: DC 12V
- Output current: 2A
- DC connector: 5.5 mm x 2.1 mm
- Cable length: Approx. 90 cm
- Indicator of operation: LED diode

The novelty of micro:Bit for a more lively introduction to technology for children.

The micro:bit is a pocket computer that can be encoded, customized and controlled for the implementation of digital ideas and games. It measures just 4x5cm and features a fun and easy to use design, so users can create anything from games and animations to slick stories at school, at home or anywhere - all it takes is imagination and creativity. It is fully programmable. This means that each of its LEDs can be individually programmed as can its buttons, inputs and outputs, accelerometer, magnetometer, Bluetooth 5.0 technology, microphone and speaker.

It contains a quick start guide in the same package. 

Protoboard Breadboard 5x7cm features:
-PCB dimension: 5x7cm
-Hole diameter: 1mm
-Pitch: 2.54mm
-Bakelite with copper fields

The novelty of micro:Bit v2.2 for a more lively introduction to technology for children.

The micro:bit is a pocket computer that can be encoded, customized and controlled for the implementation of digital ideas and games. It measures just 4x5cm and features a fun and easy to use design, so users can create anything from games and animations to slick stories at school, at home or anywhere - all it takes is imagination and creativity. It is fully programmable. This means that each of its LEDs can be individually programmed as can its buttons, inputs and outputs, accelerometer, magnetometer, Bluetooth 5.0 technology, microphone and speaker.

It contains a quick start guide in the same package.

1 Channel 5V Relay Module.
This module can be directly controlled by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL).
Relay Module 1 Channel 5V 10A features:

- Channel: 1
- Supply Voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- LED indicator
- Dimensions: 30x 54mm

20x M3x10 Nylon Hexagonal Splitter features:
-PA66 material
-Type: female / female
-Thread size / M3 inner diameter
-Body length: 10mm
-Quantity: 20 units
-Color: white

10x Tactile Tact Push Button Switch 6x6x8mm features:

- Tactile Push Tact Switch mini electronic Arduino pushbutton
- Measures: 6x6x8mm
- Quantity: 10 units

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

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

This product is a 20x20mm extra strong adhesive base for nylon flanges 2.5mm up to 9mm wide. Its great fixing power prevents you from drilling.

Ultrasonic sensors overcome many of the weaknesses of IR sensors by providing distance measurement regardless of the color and illumination of obstacles. Ultrasound Distance Sensor HC-SR05 features:
- Power supply: 4.5-5.5 VDC
- Supply current: 10 to 40 mA
- Activation pin format: 10 μs digital pulse
- Echo Pin Output: 0-Vcc
- Echo Pin Format: the output is DIGITAL and directly proportional with range. See our conversion formula below
- Measurement range: 2cm to ~ 4.5m
- Measurement resolution: 0.3cm
- Measurement angle: up to 15 degrees
- Measurement speed: 40 Hz,
- Connector: standard 5-pin male connector that can be connected directly to boards or breadboards:
- 1: VCC
- 2: Trig
- 3: Echo

NFC Card Type 2 NTAG215 RFID Dual Label 13.56 MHz features:
- Standard: NFC Forum Type2 Tag Ntag215
- Protocol: ISO14443A
- Memory: 540B (504B) EEPROM - Operating frequency: 13.56MHZ
- Reading distance: 0-10CM
- Communication speed: 106Kboud
- Working temperature: -20ºC to 70ºC
- Number of uses 100,000 times
- Data retention: 10 years
- Material: PVC
- Dimensions 86 x 54 x 0.84 mm

NFC RFID Tag Card 13.56 MHz can be used in Access Control projects and Alarm, Arduino, Raspberry PI, PIC, AVR projects.

20x M2x5 Nylon Screw features:
-Polyamide 5mm Thread Arduino Robot PCB Screw
-M2 Screw
-Thread: 5mm
-Round head
-Star (Philips) DIN7985
-Quantity: 20 units
-Color: white

- HC-05 Bluetooth transceiver module with base
- The bluetooth module HC-05 is one of the best options for projects where you need wireless communications.
- The transceiver module (transmission / reception) allows bluetooth wireless connections like master or slave, works in a transparent way as if we made a RS-232 TTL serial connection with cable.
Bluetooth Transceiver Module HC-05 Wireless features:
- Chipset CSR BC417
- 3.6 to 6 Vdc power supply
- Bluetooth version V2.0 + EDR
- Frequency: 2.4GHz ISM band
- Modulation: GFSK
- Reach approx. 10m
- Security: Authentication and encryption.
- Speed-> Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps / 1Mbps

10x Electrolytic Capacitor 100 uF 50V 105ºC Arduino features:
-Type: Electrolytic Capacitor
-Assembly: intern
-Value: 100uF
-Maximum tension: 50V
-Maximum temperature: 105º C
-Dimensions: 6x11mm
-Quantity: 10 units

With this multiplexer circuit we will be able to get 8 more digital outputs for arduino losing only 3 of them. 

NodeMcu module based on ESP8266 controller and programming in Lua language
NodeMcu is equipped with 10 GPIO, PWM, I2C, 1-wire and ADC
ESP8266-12E is an improved version of ESP8266-12
It works as a standard WiFi 802.11 b / g / n 2.4 GHz
USB Communication - CP2102 Chip
Characteristic:
ESP 12E ESP8266 ESP12E NodeMcu Lua Wireless Development Board CP2102 WiFi features:

- Supply voltage: 3.3V (LOGICAL LEVELS: 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 integrated power management units
- Output power: 0 , 15 (W); + 19.5dBm in 802.11b mode

Double Side Prototype Copper PCB Board 2x8cm features:
-Thickness of PCB: 1.6mm
-Material: high quality FR-4 glass fiber PCB
-Presented and numbered on both sides
-Top and bottom are identical copper layers
-Pads grid (pitch) 2.54mm/0.1", hole diameter 0.9mm

Battery 9V/E Block Varta Industrial 4022 6F22 6LR61 580mAh features:
- 9V Varta Industrial 6F22 Battery
- High quality, made in Germany
- Quantity: 1 unit

Blue 2 pole PCB mount screw terminal 5.08mm pitch Printed Circuit Board Terminal 3 poles 5.08mm pitch features:
Number of Contacts: 3
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

Ideal for projects with ARDUINO, PIC, AVR, Raspberry
The infrared receiver receives the signal of 38kHz for remote control

120x M3 Nylon Separator features:
- Hexagonal M3 made of nylon for screws and fastenings on PCB boards, model aircraft, DIY projects
- Can be used in prototyping and robotics projects
- Box dimension: 128x 66x 24mm
- Quantity: 120 units
- Color: white

NFC module for Educational STEAM Kit.  Near field communication (NFC) is a set of standards for smartphones and similar devices to establish radio communication with each other by touching them together or bringing them into close proximity, usually no more than a few centimeters. Compatible with almost any microcontroller, Arduino, PIC, AVR. It can be used in Access Control projects and Alarm projects. RFID PN532 NFC Module with Card and Pendant features:
- Support i2C, SPI, High Speed UART - Support RFID reading and writing - Support P2P communication with peers - Support NFC with phone - Work in NFC Mode or RFID reader/writer Mode - RFID reader/writer supports: - 1k, 4k, Ultralight, and DesFire cards ISO/>

LED Display 4-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: 12
- 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: 4
- Segment numbers by digit: 7
- Operating temperature: -25 ° C - + 85 ° C
- Storage temperature: -30 ° C - + 85 ° C
- Screen with common cathode connection
- Screen size: 50.3x19x8 mm
- This product is a 4-digit screen composed of 7 red LED segments with excellent brightness and features:.

It can be used to work with AVR, ARM, PIC microcontrollers, Arduino modules and to work with self-designed prototypes. Prototype Board Transparent 400 points features:
- Linkable with other plates
- Base with adhesive
- 400 contacts without welding (300 contacts for components and 100 contacts for power rails )
- Transparent ABS
- Measurements 82x 55x 8 mm

Ideal to power your Arduino board through the power input.
5x 9v Battery Adapter Connector 6F22 with Cable features:

- Cable 15cm long
- Battery connector 9V, 6F22

The DHT22 humidity sensor is presented in a plastic body ideal for mounting on a panel or similar. It uses a capacitive sensor that returns a digital signal with the measurement.
This sensor, unlike DHT11, is capable of measuring negative temperature values ​​and measures tenths of a degree. DHT22/AM2302 Temperature Humidity Sensor features:
- Voltage Operating: 3 to 5.5 VDC
- Humidity measurement range: 0-100% ± 2% accuracy
- Temperature measurement range: -40ºC to 80ºC ± 0.5º accuracy - Maximum sampling rate: 2 seconds

Connector BLS04 Female / Female 4 Pins RoHS Single Row features:
- Step between pins: 2.54 mm
- Manufacturer: Maritex
- Number of connections: 4 in a single row
- Type: Female / Female
- RoHS standard

Printed Circuit Board Terminal 2 poles 5mm pitch features:
Number of contacts: 2
Step: 5mm
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: gray
Material: Nylon 66
Depth: 10mm
Width: 7.5mm
Length: 10mm

20x M2.5x6 Nylon Screw features:
-Polyamide 6mm Thread Arduino Robot PCB Screw
-M2.5 Screw
-Thread: 6mm
-Round head
-Star (Philips) DIN7985
-Quantity: 20 units
-Color: white

Led infrared sensor.
Detector of the source of fire or flame, can detect a flame or wavelength 760 nm-1100 nm
Particularly sensitive to the flame spectrum.
This optical flame sensor is a device that detects the existence of combustion by the light emitted by it.
Infrared LED Flame Sensor 5mm features:
- Range of light, Distance of 80 cm.
- Angle detection of about 60 degrees,
- This light can be detected by an optical sensor,
- Can be captured by digital inputs and analog inputs of Arduino.

Adjustable Module Buck Converter DC 3A 1,6-26V MP1584 Step-Up Down features:
- Based on the MP1584EN regulator
- Output Voltage: 1.6V - 26V DC (adjustable)
- Input Voltage: 4.5V - 28V DC
- Max. Output Current: 3A (with heat sink)
- Frequency: 1MHz
- Conversion Efficiency (1A): 94%
- Short circuit protection
- Protection against overheating
- Operating temperature: -40ºC to + 85ºC
- Measures 22 x 17 x 4 mm

This switch can be used for development projects and for the industry. All metal parts are not oxidized, the insulation material is of high quality.
Its pins protected by an anti oxidant makes welding much easier. Switch On/On 6-pin 6A SPDT features:
- Type: Latch SPDT
- Material: Plastic, metal
- Maximum operating current and voltage: 3A / 250V, 6A / 125V
- Number of pins: 6
- Pin size: 4.5x2 mm
- Type of current: AC
- Pins to be welded
- Switch action: 2 positions On/On
- Size: 13.2x12.7x33.3mm

Relay Module DC 12V 10A 1 Channel Low/High Trigger features:
- Channel: 1 (protected with Optocoupler)
- Supply voltage: 12V
- 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)

It is compatible with almost any microcontroller, Arduino, PIC, AVR.
It can be used in Access Control projects and Alarm projects. RFID Module with Card and Pendant features:
- Supports Quick CRYPTO1 and MIFARE
- Operating current: 13-26mA at 3.3V
- Standby current: 10-13mA to 3.3V
- Sleep-mode current: <80μA
- Maximum current: 30mA
- Frequency of operation: 13.56Mhz
- Reading distance: 0 to 60mm
- Communication protocol: SPI
- Maximum SPI speed: 10Mbit / s
- Maximum data rate: 10Mbit / s
- Operating temperature: -20 to 80ºC
- Humidity of operation: 5% -95%

The network module communicates with the Arduino type board through the SPI protocol ideal for projects with ARDUINO, PIC, AVR, STM32. ENC28J60 Ethernet LAN Network Module Mini AVR LPC STM3 features:
- Chip ENC28J60 Microchip
- Module: 10Base-T
- 3.3V power
- SPI interface
- 25Mhz speed
- LED status LED
- Hanrun network transformer
- Network Interface board HR911105A
- Operating temperature: -40ºC to + 85ºC
- Dimensions: 51 x 19 x 16 mm

A4988 + RepRap Radiator features:
- Minimum operating voltage: 8 V
- Maximum operating voltage: 35 V
- Maximum current: ± 2 A (adequately ventilated or refrigerated)
- Logic voltage: 3 V / 5.5V
- Microstep resolution: full, 1/2, 1/4, 1/8, and 1/16
- Factory soldered temples
- Use potentiometer to adjust current
- Measurements: 20x16x12 mm

WROOM-32 DEVKIT V1 is an ESP32 processor development board with WiFi and Bluetooth (BLE). It is much faster than the ESP8266 processor (NodeMCU and similar), and very easy to use, with 2x15 pins.

SONOFF SNZB-04 is a mini sensor for opening and closing doors and windows, intelligent and wireless by ZigBee, through its Bridge. Essential for intruder detection in a home automation system. 

Micro Servo Compatible with MG90S features:
- Operating voltage: 4.8Vdc (5V) or 6Vdc
- Torque: 1.80 kg / cm at 4.8V and 2.20kg / cm at 6V
- Speed: 0.1seconds / 60º at 4.8V and 0.8 seconds / 60º at 6V
- Gear type: metallic
- Turning width: 180º
- Temperature working: from -30 to 60 ºC
- 3 plastic propellers / arms
- Fixing screws
- Size: 22.6 x 11.8 x 31 mm
- Weight: 13.4 gr

Mini UNO ATMega328 basic kit for Arduino to learn programming.
It allows to build various projects of various complexity, from the easiest ... to the most complicated
The elements are placed in the box to keep everything in order.

A bridge rectifier KBPC5010 is an array of electronic components, which is present in most voltage sources; The bridge is formed regularly by 4 diodes, connected in a specific way, and its function is to transform the alternating current to direct current. Bridge Rectifier 50A/1000V KBPC5010 features:
- Metal housing
- Type of diode: bridge rectifier
- Type of bridge: a phase
- Maximum driving voltage: 1000 V
- Maximum driving current: 50 A
- Peak inverse voltage: 1 kV
- Direct voltage Vf (max.) To If: 1.1V @>

LED 5mm RGB 4 Pin anode commun with clear water lens.

2 Channel Relay Module DC 12V 10A Low/High Trigger for Arduino features:
- Channels: 2 (independent protected with Optocouplers)
- Supply voltage: 12V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator: For each channel
- Dimensions: 40x 50mm
- 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)

8x8 LED Matrix Kit MAX7219 Arduino PIC Dot Matrix Display Cascade DIY features:
- 8X8 LED matrix controlled by MAX7219 chip
- 3mm red LED
- SPI communication
- Voltage: 4.7 - 5.3V DC
- Interfaces to manage multiple modules in cascade
- Matrix dimensions: 32mm x 32mm x 8mm
- PCB dimensions: 32mm x 50mm

High sensitivity to Ammonia (NH3), Nitrogen oxides (NOx), Alcohol, Sulphides, Benzene (C6H6), CO2, smoke and other harmful gases.  The MQ-135 sensor is to sensible for other gasses in the air so that is not possible to get good values for CO2 from it.
MQ-135 Air Quality Sensor features:
- Main chip: MQ-135 natural gas sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
   10ppm - 300ppm NH3
   10ppm - 1000ppm Benzene
   10ppm - 300ppm Alcohol
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

HC-06 Bluetooth transceiver module with base.
The bluetooth module HC-06 is one of the best options for projects, in which you need wireless communications.
The transceiver module allows bluetooth wireless connections as a slave, ready to listen for connection requests.
Bluetooth Transceiver Module HC-06 Wireless features:
- Chipset CSR BC417
- 3.5V - 5V power
- Bluetooth version V2.0 + EDR
- Frequency: 2.4GHz ISM band
- Modulation: GFSK
- Reach approx. 10m
- Security: Authentication and encryption.
- Speed-> Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps / 1Mbps
- Supports AT commands for configuration through a serial port
- Working temperature: -20ºC to + 75ºC
- Working current - pairing: 80 mA

Include 5 different colors, 1 unit of each color.
Also available in batches of 5 and 2 cables. 10x Cables 50cm with Crocodile Clips features:
-Length: 50cm
-Colors: red, green, white, black and yellow
-Cable diameter: 1,5mm
-Quantity: 10 cables

WIFI transceiver based on the ESP8266 controller.
It has a microcontroller and 2 GPIO pins to be able to operate autonomously without the need for an external microcontroller. Characteristic: - Voltage of power: 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 integrated power management units
- Output power: 0.15 (W); + 19.5dBm in 802.11b mode
- Consumption in low power mode: