T8 R2 80cm Spindle Kit with Bearing Support, Nut and Coupler

It is very easy to make it work with an Arduino, PIC or any other microcontroller.
In its output pin we will be able to measure the PWM pulse width depending on the distance of the obstacle.
HC-SR04 Ultrasonic Sensor Distance Measuring Module features:
- Supply voltage: 5V (4.5V- 6V)
- Consumption: 30 mA typical, (35 mA max)
- Interface: VCC , GND, Signal
- Range: 2 cm to 3 meters
- Angle 15º
- LED indicator of measurement in progress
- Frequency: 40 kHz for 200 µs - Size: 30mm x 20mm
- Quantity: 1 unit
Useful links for Arduino / Raspberry programming and projects with boards Arduino / Raspberry:
Automatic robot operation with obstacle detection />

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

It is one of the most popular stepper motors with 200 steps per turn and a maximum load of 4.28 kg/cm. It comes with a 1m cable. We have the best stepper motors at the best prices! 

LED Power Supply Transformer DC 12V 5A 60W features:
- Supply voltage: 110/230V AC
- Output voltage: 12V DC
- Output amperage: 5A
- Power at 12V: 60W
- Dimensions: 110mm x 78mm x 36mm

Sensor Module FZ0888 IR Infrared Speed Meter features:
- The FZ0888 encoder module is a device that can help you in the creation of your robotics and automation project, Whether you want to know the speed of a motor or its exact position
- The module has a digital output (DO) which can be connected to your preferred microcontroller.
The operating mode:
- When the sensor is blocked, the DO output is high
- The AO signal is not enabled in this module
- Power supply: 3.3-5V
- Power consumption current 20 mA max
- PCB dimensions: 32 x 14 mm

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

28BYJ-48 Stepper Motor 12V + Driver Board ULN2003 features:
- Stepper motor 28BYJ-48 + ULN2003 controller
- The 28BYJ-48 has everything you need to start using motors step by step in your project
- A stepper motor converts digital impulses into small steps of movement in one direction
- The motor also comes with a ULN2003 motor controller card
- Can control two DC motors or a motor with bipolar steps with a maximum amperage of up to 500 mA
- Equipped with state indicator LEDs A, B, C, D
- Engine model: 28BYJ-48
- Phasing Engine: 4
- Operating voltage: 12V DC
- Frequency: 100 Hz
- Operating current: 200mA
- Max Power: 20W
- Winding resistance: 70 Ohm
- Angle per step: 5,625º
- Steps per round: 64

It has an automatic voltage regulator, which for practical purposes results in quieter operation and less vibrations.
Characteristic:
- Minimum operating voltage: 8 V
- Maximum operating voltage: 45 V
- Maximum current: ± 2.5 A (24V, adequately ventilated or refrigerated)
- Logic voltage: 3 V / 5.5V
- Microstep resolution: full, 1/2, 1/4, 1/8 , 1/16, 1/32
- Factory soldered temples
- 4-layer PCB, 2 oz. Copper for improved heat dissipation
- Short-circuit and overtemperature protection - Use potentiometer to adjust the current
- Measurements: 20x16x12 mm