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

LM35 Temperature Sensor LM35DZ TO92 features:
- The output is linear and each degree Celsius equals 10 mV
- Power supply from 4 to 30 Vdc
- Connection through analog input
- Temperature range from 0ºC to 100ºC
- Linearity +10 mV / ºC
- Quantity: 1 unit

Prototype Protoboard Breadboard 170 points Arduino features:
- 170 connections
- Base with adhesive to attach it to the work surface
- Measurements: 45x35x9mm
- Various colors

Connector BLS02 Female/Female 2 Pins RoHS Single Row features:
- Step between pins: 2.54 mm
- Manufacturer: Maritex
- Number of connections: 2 in a single row
- Type: female / female
- RoHS standard

40x Female-Female Cable 20cm features:
-Length: 20cm
-Quantity: 40 wires
-Dupont female connectors on both ends
-Compatible with 2.54mm male connectors
-High quality and good working condition
-Easy to install and use

The DHT11 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.
Characteristic:
- Operating voltage: 3 to 5 VDC - Humidity measurement range: 20-95% ± 5% accuracy
- Temperature measurement range: 0ºC to 50ºC ± 2º accuracy
- Maximum sampling rate: 2 seconds - Working current 2.5mA
- 1-wire interface
- Dimensions: 32 x14 mm
- Quantity: 1 unit with 3x female / female cables

Double silicone insulated cables. Extremely flexible. The inner insulation is white which makes it easy to see if there is any damage. Resistant to low and high temperatures. Ideal for measuring cables used for dangerous voltages.

10x Female-Female Cables 20cm Jumpers Dupont 2,54 features:
-Length: 20cm
-Quantity: 10 cables
-Connectors have female header contacts at either end
-Compatible with male connectors 2,54mm
-High quality and good working conditions
-Easy to install and use

Limit Switch with Lever 

The first Raspberry microcontroller with the proprietary RP2040 chip and a dual-core Arm Cortex-M0+, the Foundation's cost-effective yet highly flexible solution. Designed for high performance and with a high degree of digital interfaces. Programming in C/ C++ and MicroPython.

Version compatible with Arduino Nano V3.0
It has an ATMega328P chip running at 16Mhz with bootloader loaded factory.
Characteristic:
- Microcontroller: ATmega328
- Operating Voltage (logic level): 5V
- Input Voltage (recommended): 7-12V
- Digital I / O Pins: 14 (6 PWM outputs)
- Analog Inputs: 8 (A0-A7)
- DC Current per I / O pin 40 mA
- Flash memory: 32 KB (2 KB used by the bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- Frequency Clock: 16 MHz
- USB Communication - CH340
- Dimensions: 18 mm x 44 mm

Peltier Ceramic Cell TEC1 12706 12V 60W features:
- Max Power: 60w
- Voltage: 12v
- Max Voltage: 15,2v
- Max Current: 6A
- Temperature Variation: - Peltier effect cell model TEC1-12706, 12v, max 60w and 6A, with a temperature difference between their faces of up to 67ºC

Female Strip 40 Short Pins features:
- Pin spacing: 2.54mm
- Insert position: Vertical
- Insert: Pasante
- Quantity: 1 unit of strips of 40 female pins each

Sonoff ZBMINI is a universal switch controlled by ZigBee. It works with 230V voltage and enables the control of any device from anywhere in the world, controlled by your mobile phone or voice assistants such as Alexa. Bridge requiered

Connector BLS03 Female/Female 3 Pins RoHS Single Row features:
- Step between pins: 2.54 mm
- Manufacturer: Maritex
- Number of connections: 3 in a single row
- Type: Female / Female
- RoHS standard

2 Channel Relay Module 5V 10A for Arduino features:
- 5V relay module with 2 optocoupled channels
- This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)
- Channels: 2 (independent protected with Optocouplers)
- Supply voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- LED indicator: For each channel
- Dimensions: 40x 50mm

The module has two outputs: analog A0 and digital D0
Digital output D0 - signal 0 appears or 1 depending on the threshold setting
The threshold is set with the potentiometer
The sensor can be used for example:
Automatic watering for potted plants
With this module you will be able to measure the humidity of the soil, so that you will be able to control the humidity level of the soil of your plants
Characteristic:
Operation: 3.3V -5V
- Sensitivity adjustable by potentiometer
- Dual output mode: analog and digital
- Red LED - power indicator
- Green LED - indicator digital switching output
- PCB measurements: 3 x 1.5 cm
- Probe measurements: 6 x 3 cm

Connectors BLS01 Female/Female 1 Pin RoHS Single Row pack 20pcs features:
- Number of connections: 1 in a single row
- Type: female / female
- RoHS standard

Limit Switch with Wheel - 5A 250 Vac - 1 switched - Arduino features:
-Micro KW12-3 on / off switch
-Max Current: 5A -AC voltage: 125-250V
-Operating temperature: -40 to 70 degrees C
-Quantity: 2 units

LED Diode Assortment Kit 15 pcs 5mm red, green, yellow features:
- Lens color: red, green, yellow - diffuse
- Size: 5mm
- Operating current: 20mA
- Voltage (red) 1,8V-2,3V
- Voltage (green) 3,2V-3,4V
- Voltage (yellow) 1,8V-2,3V
- Anode (A): Positive (long leg): 28mm
- Catode (K): Negative (short leg): 25mm
- Operating temperature: -25ºC/80ºC
- Welding temperature: +260ºC
- Quantity: 30 units
*5x red
*5x green
*5x yellow

Ideal for your arduino projects, but can also be used with other microcontrollers. Double Joystick Module 2 Axis XY PS2 features:
- Two axes (XY)
- Return to the center
- Central push button
- Connections: + 5Vcc / GND / VRx / VRy / SW
- Dimensions: 4 x 2.6 x 3.2cm