Battery holder 2x 18650 PCB mount

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 />

Characteristic: -Conductor: solid wire, tinned copper
-Insulation: PVC
-Low voltage electrical cables - Nominal voltage 300V / 80C -Standard: UL 1007
-Number of conductors: 22AWG, 1x0.35mm2
-Outer diameter: 1.6mm

Pre-cut insulating base for electrode, base without holes for 3x 18650 batteries. Self-adhesive pad isolates and protects battery contacts from short circuits. Stick to the battery after sealing it in a package.

The cables are in 10 different colors Flat Cable 1m AWG28 1.27 10 Pins Colors features:
- Length: 100cm
- Model AWG28
- Product name: Flat cable
- Number of conductors: 10
- Conductive material: Copper
- Insulation voltage: 300V - Inner diameter 0.32mm
- Pin Pitch: 1.27mm
- Temperature: 105 ° C

High grade in the absorption of tin for professionals.
Copper mesh roll for desoldering electronic components.
Desoldering Wire 3mm features:
- Material: Copper
- Length: 1.5m
- Width: 3mm

- Pantalla LCD TFT 240x320 pixels
- 262.000 posibles colores (18 bit)
- Pixel: RGB vertical stripe
- Controlador ILI9341
- Interface SPI
- 8 bit interfaz digital, 4 bit líneas de control
- Pantalla táctil resistiva 4
- wires
- Ideal para proyectos con ARDUINO, Uno R3, MEGA2560 Enlaces útiles : Cableado de la pantalla LCD TFT 2.4 SPI
- Conectar la pantalla LCD TFT 2.4 SPI con el módulo UNO Visualizar gráficos y textos en la pantalla LCD TFT 2.4 SPI Programar una calculadora táctil en la pantalla LCD TFT 2.4 SPI

Mini ESP8266 ESP12E CH340 WiFi Development
NodeMcu module based on ESP8266 controller and programming in Lua language
NodeMcu it is equipped with 10 GPIO, PWM, I2C, 1-wire and ADC
It works as a standard WiFi 802.11 b / g / n 2.4 GHz
Wemos D1 Mini ESP8266 ESP12E CH340 WiFi Wireless Development features:

- Compatible with Arduino, programming with the Arduino IDE
- Power supply voltage: 5V
- LOGICAL LEVELS: 3.3V
- 11 input / output pins
- 1 ADC (input: 0-3.3V)
- Supported protocols: 802.11 b / g / n
- Network support: 2.4 GHz - Band: 2400 (MHz)
- Wi-Fi Direct (P2p), Soft Access Point
- Integrated TCP / IP stack
- PLL, regulators and power management units Integrated

- Maximum current: 50 mA
- Tension DC: 24V
- Operating force: 1.27N
- Switch terminals: weldable
- Contact: SPST-NO
- Contact resistance: 100M Ohm
- Type of action: Superficial
- Measures: 12x12x7.3mm