2x Insulation Tapes PVC Yellow and Green 10m x 15mm x 0.13mm

Silicone and Protective Grease with Teflon 20g features:
- Protects against weathering
- Preserves surfaces, rubber, plastics
- Covers a wide range of operating temperatures: from -40°C to 260°C
- Silicone and Protective Grease with Teflon 20g features:
a very good chemical resistance to oxidation
- Water solutions of acids, bases, sulfur dioxide, ammonia
- Applications: audio equipment

L7805 three terminal voltage regulator module 5V voltage stabilized power supply module features:
Type Output: Fixed
Board size: 5.7cm x 2.3cm
Input voltage: Input voltage Nonpolar , AC and DC can be in the range of: 7.5v-20v
Output voltage 5v
Maximum output current: 1.2A
A fixing bolt holes for easy installation

Most Sonoff products are not DIN-rail mounted, making it difficult to place Sonoff products in the switchboard or control panel. With this simple tray you can place your switches inside the home's entrance box, for easy installation. 

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

2x Insulation Tapes PVC Blue 10m x 15mm x 0.13mm features:
- PVC insulating tape with adhesive
- Thickness of 0.13 mm
- Measures 10m x 15mm
- Quantity: 2 units
- Heat resistance: 80°C

Lot of 65 Male-Male jumper cables. Characteristic: -No soldering required
-You can easily modify or revise the circuits
-Quantity: 65 cables of different lengths and colors
-Cable lengths: 120mm, 150mm, 200mm, 240mm

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 />

Capsule Electret Condenser Microphones 9.5 MIC features:
- Measures: 9.7 x 6.7mm
- Impedance: 1.5kΩ
- Working current: 0.5mA
- Working voltage: 4.5V (1.5-10V)
- Bandwidth: 50 ... 16000Hz
- Signal to noise ratio: ‰¥58dB
- Sensitivity: -42 ± 3dB
- Sensitivity tolerance: ± 3dB
- Distance between terminals: 2.54mm