RFID PN532 NFC Module with Card and Pendant

This module adapted for the arduino is a light sensor. The resistance of the LDR cell decreases as the light intensity increases.
On the contrary in a dark environment, the resistance of the LDR cell increases accordingly. Characteristic: - 3-pin connector: 1- GND
2- VCC
3- analog output - the voltage depending on the light
- Supply voltage: 3.3 V-5VDC
- PCB size: 19x15x8 mm

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 />

2 Double Side Prototype PCB Board 6x8cm features:
-Thickness of PCB: 1.6mm
-Material: high quality FR-4 glass fiber PCB
-Presented and numbered on both sides
-Top and bottom are identical copper layers
-Pads grid (pitch) 2.54mm/0.1", hole diameter 0.9mm

Male 40 Pin Header 1x40 features: Type: Male, Insertion position: Vertical, Separation between pins: 2.54mm

WS2812B RGB LED Strip White 1m 30 LED/M IP65 features:
- IP65 RGB Addressable Smart Arduino
- RGB LED WS2812B
S2812B are LEDs that have integrated logic, so it is possible to vary the color of each LED individually
S2812B includes a built-in inside each LED, which allows each pixel to be accessed individually
- For this reason, these types of LEDs are called individually indexable
- They are based on the 5050 LED
- 30 individually indexable LED diodes
- 24-bit color control (8-bit PWM per channel)
- 16.8 million colors by LED
- One-wire communication
- Power: 5 V
idth: 11 mm
- Thickness: 2.6 mm
- Length: 1 meter
- Consumption: 1.8A (all white)
ater resistant

- It consists of a display of 16 characters and 2 rows
- The display is compatible with the HD44780 controller
- Ideal for projects with ARDUINO
- You can use it with PIC, AVR, STM32 PCF8574 -> the default address 0x20
PCF8574A -> the default address 0x3F
- It can be changed to any between 0x20 and 0x27 depending on whether you have soldiers or not pins A0 A1 A2 Screen LCD Display Screen Blue 1602 + Adapter Board Module IIC/I2C features:
  
- LCD screen, 16 characters and 2 lines
- 5V power
- HD44780 compatible controller
- Backlit blue background, white letters
- Include an adjustable contrast pin
- Dimensions (mm): 80 x 36 x 12 Adapter LCD Display Screen Blue 1602 + Adapter Board Module IIC/I2C features:

The DHT11 humidity sensor is presented in a plastic body ideal for mounting on a panel or similar. It uses a capacitive sensor that returns a digital signal with the measurement.
Characteristic:
- Operating voltage: 3 to 5 VDC - Humidity measurement range: 20-95% ± 5% accuracy
- Temperature measurement range: 0ºC to 50ºC ± 2º accuracy
- Maximum sampling rate: 2 seconds - Working current 2.5mA
- 1-wire interface
- Dimensions: 32 x14 mm
- Quantity: 1 unit with 3x female / female cables

SIM900 Four Band GSM GPRS Module with Antenna shield for Arduino features:
- GSM / GPRS SIM900 module-based development card / shield from Simcom
- The shield allows you to get SMS, MMS, GPRS and audio via UART by sending AT commands (GSM 07.07, 07.05 and SIMCOM Enhanced COM Commands).
- The shield also has 12 GPIOs, 2 PWMs and a ADC of the SIM900 module (All of them are 2V8 logic) present on board.
- Quad-Band 850/900/1800/1900 MHz: it would work on GSM networks in all countries of the world. - GPRS multi-slot class 10/8
- GPRS mobile station class B
- Complies with GSM phase 2/2 +
- Class 4 (2 W @>