Hotend J-Head Metal Extruder Long Distance 0.3mm 1.75 E3D Printer 3D

Indirect Extruder - Bowden style MK8 Assembly for 3D Printer I0088 features:
- This extruder is ready to mount and print
- PC4-M6 bowden pneumatic connector
- 12V 2-wire 40x40mm fan
- Metal fan cover
- MK8 heat sink
- MK8 aluminum extruder
- PAP Nema17 3.25V 1.3A motor with cable
- Capable of loading with 4.48 kg / cm

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 />

Compass is based on a QMC5883L system, which allows you to specify the direction of the earth's magnetic field. Digital Compass Magnetometer GY-271  features:

• 3.3V - 6V power supply voltage
• Current consumption of 100μA (standby 2uA)
• I2C interface
• Transmission speed 400kHz
• Sensitivity 230-1370 LSB / Gs
• Resolution 0.73-4.35mGs
• Frequency of 75Hz
• Measurement of the magnetic field in three axes of ± 8 Gauss with a resolution of 5 gauss miles

• Interruption DRDY pin
• Dimensions of 14 mm x 14 mm

This diode is mainly used for laser toys, all kinds of level meter, instruments, pointer pen, mini LCD projector, laser From remote listeners, remote control burglar alarm light.
Light shots and different display can make the color of the image item a little different from the real object. The measurement allowed error is +/- 1-3 cm. Characteristic: - Supply voltage: 5VDC
- Mode of point: facula point
- Continuous output
- Operating temperature: -36 ° C - + 65 ° C
- Laser wavelength: 650nm (red)
- Diameter copper head is 6mm
- Power cable length: 75 mm
- Cover material: Brass
- Working life: more than 2000 hours
- Light power: Less than 5mW
- Operating current: Less than 40mA

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

Hot bed MK2Y powered by 12V current with a power of 90W. The maximum recommended temperature of the hot bed is between 110° - 135°, which is sufficient for ABS (at 110°) and PLA (at 70°).

Nozzle Throat 1.75mm 3D Printer PTFE features:
- Compatible with 1.75mm filament
- Inner diameter: 2 mm
- Exterior: 6 mm (M6 thread)
- Total length: 30 mm
- Comes with Teflon PTFE core 26mm long
- Outside diameter: 4 mm
- Application: makerbot 3D printer extruder
- Material: Stainless steel

Three-axis electromagnetic field sensor module GY-273 including the HMC5883L chip that specifies the direction of the magnetic field of the ground.
Digital Compass GY-273 Compas Magnetometer features:

• Supply voltage: 2.16 - 3.6 VDC,
• I2C interface with SCL, SDA,
• signals - Measurement range: 1.3 to 8 Gauss,
• Measurement resolution: 12 bits,
• Measurement accuracy: 0.73 - 4.35 Gauss,
• Transmission speed 400kHz, 
• Sensitivity 230-1370 LSB / Gs,
• Output frequency: 75Hz,
• DRDY pin interruption,
• Dimensions of 18 mm x 13 mm.