SCS8UU Linear Block Bearing 8mm

Lead screw and stainless steel screw set with KFL08 T8-800 for 3D printer. Its shaft coupling diameter is 8mm with pitch of 2mm and has a length of 800mm Lead Screw with Trapezoidal Nut T8 50cm L8 features:
- Type: Trapezoidal screw
- Diameter: 8mm
- Toothing distance: 2mm - Rotation total: 8mm - Lengths: 500 mm Kit contents: 
- Nut 1 unit
- Spindle 1 unit

- 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

It allows controlling up to 2 direct current motors or a bipolar stepper motor. It also allows to control a unipolar stepper motor configured as bipolar.
Ideal for projects with ARDUINO.
You can use it with PIC, AVR, STM32.
L298N Motor Drive Controller Board Module Dual H Bridge DC features:
- Minimum operating voltage: 5 V
- Maximum operating voltage: 35 V
- Maximum current: ± 2 A
- Logic voltage: 5V
- PWM signal inputs for speed control
- Outputs: for 2 DC motors or for a bipolar stepper motor
- Measures: 43x43x24 mm
Helpful Links:
Operation of the robot by Infrared / Operation of the robot by Bluetooth / Automatic operation with detection of obstacles

Mounting Bracket for Nema Engine 17 42mm features:
- Steel bracket for PAP Nema 17 3D printer motor
- Mounting bracket of 42mm L shape alloy steel for The NEMA17 3D Stepper Motor Printer
- Material: Alloy Steel - Size: 5 x 5 x 5cm
- Black Color
- Fit for 42mm Stepper Motor as NEMA17

Hotend J Head Metal Extruder 0.3mm 1.75 Short Distance E3D features:
- E3D Short Distance Prusa 3D Printer
- Nozzle: 0.3mm
- Filament: 1.75mm
- Cartridge heater: 12V 40W with 1m cable
- Thermistor: 100K NTC 3950 ± 1% with 1m cable

Fan 12V 2x 3D Printer Cables features:
- Voltage: 12V
- Consumption: 65mA
- Speed: 3800rpm -5600rpm - Noise level: 25dB ± 10%
- Screw diameter: 4.5mm
- Service Life Time: 35000 hours
- Operating temperature: -10 ° C to 65 ° C
- Cable length: 11cm
- Dimensions: 40mm x 40mm x 10mm

LED Diode Assortment Kit 30 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
*10x red
*10x green
*10x yellow

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 />