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

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.

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

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

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)

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

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%

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.

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

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.

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

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)

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:

5x Pushbutton B3F Green Key Omron Electronica Arduino Prototype Switch 12 features:
- 5x Pushbuttons B3F Omron
- 5x Keys
- Maximum current: 50mA
- Tension DC: 24V
- Operating force: 1.27N
- Switch terminals - Weldable
- Contact: SPST-NO
- Contact resistance: 100M Ohm
- Type of action: Superficial
- Measures: 12x12x7.3mm

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

SIM800L GPRS GSM SIM Board Quadband features:
Package includes:
- SIM800L module,
- 2x pin headers,
- Spring antenna,
- 3G PCB antenna - 15cm cable.
- Supported SIM format: Micro SIM.

Rechargeable battery XTAR 18650 2200mAh Li-ion features:
- With PCB protection circuit that protects the battery against overcharges and over discharges, increasing battery life
- Quantity: 1 unit
- Authentic Protection Battery

Detects changes in the sensor angle and returns to the digital value. 5x SW-520D Vibration Metal Tilt Sensor features:
- Contact resistance:

Ideal for projects with ARDUINO, Smart Car. Sensor Module Infrared Obstacle Detector Car Robot features:
- Power supply: 3.3 - 5V DC
- OUT level 0/1 output
- Sensitivity adjustment
- Power LED
- Distance from detection: 2 - 30cm (max60cm)
- detection angle: 35º
- LED output status indicator
- Dimensions: 40x13x8mm

Waterproof Electronic ABS Plastic Junction Prototype Box 115x90x55 features:
- Excellent waterproof performance and moisture proof
- Dimension 115x90x55 mm

Clamp Nylon White Plastic flange, 100x2.5mm.

Characteristic: - Cable 15cm long
- Measurements 74x21x 19mm
- Weight: 8 gr. (approx.)
- Stack length max 67mm

Magnet Cylindrical Disc Neodymium Ferrite 2x4mm features:
- External magnet dimensions: 2x4mm
- Magnet shape: cylindrical
- Magnet material: neodymium

Servo with Rotation 180 Servo Motor Type S3003 features:
- Model Aircraft Futaba Arduino Robotics
- Operating Voltage: 4.8V to 6V
- Max Torque: 4.1kg / cm (6V)
- Operating speed: 0.23sec / 60 degrees (4.8V), 0.19sec / 60 degrees (6V)
- Max radius: 180º
- Temperature range: -20 + 60 C degrees
- Weight: 38 g
- Cable length: 26cm
- Dimensions: 40.5 x39x 20 mm
- Servo connector: JR
- Chinese manufacturing

Arduino Sensor Shield V5 APC220 features:
Sensor Shield V5.0 allows: - Being punctured directly to an Arduino Uno, Mega, Leonardo plate
- Facilitate the connection of different modules, such as sensors, relays, servos, buttons, potentiometers and more

10x Electrolytic Capacitor 470uF 16V 105ºC PIC Arduino features:
-Type: Electrolytic Capacitor
-Assembly: intern
-Value: 470uF
-Maximum tension: 16V
-Maximum temperature 105º C
-Dimensions: 8x12mm
-Quantity: 10 units

Resistors 6,8K Ohm 5% 0,25W 1/4W features:
- 6.8 Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm

Microcontroller ATMEGA328P-PU DIP-28 features:
- Series: AVR® ATmega
- Core Processor: AVR
- Package / Case: 28-DIP (0.300 ", 7.62mm)
- Core Size: 8-Bit
- Speed: 20MHz
- Connectivity: I²C, SPI, UART / USART
- Peripherals Brown-out: Detect / Reset, POR, PWM, WDT
- Number of I/O: 23
- Program Memory Size: 32KB (16K x 16)
- Program Memory Type: FLASH
- EEPROM Size: 1K x 8
- RAM Size: 2K x 8
- Voltage - Supply (Vcc / Vdd): 1.8 V ~ 5.5 V
- Data Converters: A / D 6x10b
- Oscillator Type: Internal
- Operating Temperature: -40 ° C ~ 85 ° CFManufacturer: SGS-THOMSON / ST
- RoHS: Yes
- Quantity: 1 unit

Resistor 10M Ohm 5% 0,25W 1/4W features:
-10M Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm

Terminal for JST PHR Female Connector 2mm features:
Manufacturer JST Connector series: PH Connector: contact Type of connector: female Type of connector: conduit-plate Mechanical assembly: crimped Working voltage: 100V Working current: 2A Material: phosphor bronze Cable size: 30AWG..24AWG Compatible with: JST PHR-2 Female 2 PIN 2mm Connector JST PHR-2 Female 3 PIN 2mm Connector PH series data sheet

Protoboard Breadboard 9x15cm features:
-PCB dimension: 9x15cm
-Hole diameter: 1mm
-Pitch: 2.54mm
-Bakelite with copper fields

Arduino UNO is the best board to start your experience with electronics and programming. If this is your first experience with the platform, UNO is the most robust board you can start with. UNO is the most widely used and documented board in the entire Arduino family. Its power ensures ATmega 328p microcontroller, the board is equipped with 14 digital pins, and 6 analog

Capsule Electret Condenser Microphones 9.5 MIC features:
- Measures: 9.7 x 6.7mm
- Impedance: 1.5kΩ
- Working current: 0.5mA
- Working voltage: 4.5V (1.5-10V)
- Bandwidth: 50 ... 16000Hz
- Signal to noise ratio: ‰¥58dB
- Sensitivity: -42 ± 3dB
- Sensitivity tolerance: ± 3dB
- Distance between terminals: 2.54mm

Switch Button 8x8mm on-off features:
- Switch terminals: Weldable
- Measures: 8x8x13mm

5mm multicolor LED with automatic color change. 7 different colors are emitted and the blinking is fast.

High power digital servo, better precision than the MG995. MG996R Metal Gears Digital Servo High Power Equivalent 12Kg 6V features:
- Operating voltage: 4.8 V to 7.2 V
- Consumption: 100mA
- Torque max.: 12kg / cm (6V)
- Operating speed: 0.22sec / 60degree (4.8V), 0.19sec/60degree (6V)
- Max. Radio: 180ºC
- Temperature range: 0-55 degrees
- Weight: 55 g
- Cable length: 29cm
- Dimensions: 54 x38x 20 mm
- Servo connector: JR (JR and Futaba adaptable)

Wide range of voltages, improved version.
Drop module.
They will use a multimeter to Check the output voltage and adjust the potentiometer.
3A DC Converter 4-53V Adjustable LM2596H Step Down Source features:

- Based on the LM2596HVS-ADJ regulator
- Rectification: Asynchronous
- Output Voltage: 3v ~ 40v DC (adjustable)
- Input Voltage: 4.5v - 53v DC
- Max Output Current: 3A (with heat sink)
- Ripple in output voltage: 30mV
- Frequency: 150KHz
- Max Conversion Efficiency: 92%
- Load Regulation: ± 0.5% - Voltage Regulation: ± 2,5%
- Operating temperature: -40ºC to + 85ºC
- Measurements: 43x 21x 14 mm

Resistor 220K Ohm 5% 0,25W 1/4W features:
-220 Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm

The Raspberry Pi 4 Model B is the latest product in the Raspberry Pi family of computers. This product is in the 2GB RAM version, with 4GB (B0069) and 1GB (B0067) versions also on offer.

Cable 1x0.35 Flexible single-pole 0.35mm² black features:
-Conductor: Flexible Copper
-Insulation: PVC
-Low voltage electrical cables
-Standard: EN 50525-2-31
-Number of conductors: 1x0.35mm²
-Service voltage: 300 / 500V
-Service temperature: at 70ºC
-Resistance at 20ºC: 55.0 Ohm / Km
-Weight (Kg / Km): 7
-Outer Diameter: 2.4mm

Manufacturer JST Connector Series : PH Connector : contact Connector Class : female Connector Type : conduit

This version has been withdrawn from sale. Select model 

BBC micro:bit V2.2 - WiFi Single Board Micro-Computer, BLE 5.0, Microphone + Speaker + Accelerometer (solectroshop.com)

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.