Power supply DC 12V 3A 36W

High quality flexible aluminum coupler, so you can join Nema 17, 6.35mm stepper motors to an 8mm threaded rod. They incorporate 4 captive screws so you can perfectly fix the couplings to the rod. Flexible Coupler 6.35mm/8mm shaft features:
- Material: Aluminum alloy
- Coupler height ( L): 25 mm
- Outside diameter: 19mm
- Shaft diameter: 6.35mm / 8mm - Quantity 2 units

Pulley GT2 20 Teeth 6mm Aluminium Pulley 3D Printer Reprap features:
- Number of teeth: 20
- Pitch: 2mm
- Material: Aluminum alloy
- Outside diameter: 18mm
- Inner hole: 5mm
- Use with strap: 6mm and 6.35mm
- Ideal to fix on the axis of the motors of your 3D printer

10x Electrolytic Capacitor 220uF 35V 105ºC PIC Arduino features:
-Type: Electrolytic Capacitor
-Assembly: intern
-Value: 220uF
-Maximum tension: 35V
-Maximum temperature: 105º C
-Dimensions: 8x12mm
-Quantity: 10 units

Characteristic:
- Motor passes 1.8º (200 steps per turn)
- Capable of loading 1.22 kg / cm

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

It is used to pass the current, power electrical and electronic circuits, fans, motors, among others. Small Black Crocodile Connector features:
- Total length: 38 mm
- Color: Black
- Maximum opening: around 6 mm
- Conductive material: nickel-plated steel
- Includes 1 unit

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

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