Dupont Connector 2.54mm Male

Ideal for projects with ARDUINO, Smart Car
Detects transparent and translucent obstacles
E18-D80NK Infrared Obstacle Avoidance Sensor Module 3-80cm Smart Car features:
- Current consumption: up to 100 mA
- Supply voltage 5V
- Current consumption <25mA
- Response time of 2 ms
- Measured distance: 3-80cm 15st angle
- Screw to adjust the sensitivity, the back
- Output status led indicator
- Operating temperature: -25°C - + 55°C
- Material: high-strength plastic
- Type of output: normally open, NPN
- Dimensions: 18 mm in diameter, Length 45 mm
- Cable length 55cm
- Departures:
      - Brown: +
      - Blue: -
      - Black: OUT

Ideal to power your Arduino board through the power input.
5x 9v Battery Adapter Connector 6F22 with Cable features:

- Cable 15cm long
- Battery connector 9V, 6F22

LM2577S 3A DC Boost Step-Up Controller Adjustable Step-Up features:
- Step-up stepper adjustable module.
- Output voltage may be greater than the input
- Use a multimeter to check the output voltage and adjust the potentiometer
- Chip LM2577S-ADJ
- Input voltage: 3.5V -35V
- Output voltage: 4-35V
- Current output: 2A, max. 3A with heat sink
- Power max. 20W
- Operating temperature: -40 to + 85 ºC
- Conversion efficiency: up to 92%
- Size: 44 x 30 mm

Sensor used to measure the temperature of the hotend or hot bed of your 3D printer
Characteristic:
- NTC Thermistor 100 K 3950
- Impedance: 100 K (25º of Temperature)
- Accuracy: 1%
- Sensor Diameter: 1.8 mm
- Cable Length: 1 m
- Cable: AWM UL 3398 150 ° C 300V
- Ready to be installed and used. Fully insulated
- Designed to withstand the high temperatures of extrusion of plastics such as PLA and ABS

This module is an active buzzer for Arduino and emits different sounds at various frequencies.
It does not accept oscillation source, it only receives square waves for drive sound. 

- 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

Ultraviolet ray detection module 200-370nm with a supply voltage of 3.3-5 VDC and a very low consumption of 0.1mA.
100% compatible UNO module.
Characteristic:
- Operating voltage: 3.3-5 VDC
- Output voltage: 0-1 VDC
- 3-pin connector:
- OUT: output signal
- VCC: Supply voltage
- GND: Ground connection - Test accuracy: ± 1UV INDEX
- Current: 0.06mA (typical), 0.1mA (maximum)
- Wavelength of the response: 200nm-370nm (ultraviolet rays) - Response time: less than 0.5 seconds
- Operating temperature: -20ºC - + 85ºC
- Size: 19.80 x 15mm