LCD Display Screen Blue Backlight 16x4 1604

Arduino compatible IR motion detector with a detection range of 7 meters and an operating angle of 120º.
An electric pyro sensor , which can detect infrared radiation levels - detect a change in the average IR levels of your detection zone.
Ideal for projects with ARDUINO, PIC, AVR, STM32. HC-SR501 Motion Detector Module Passive Infrared PIR Sensor features:
- Infrared sensor with control circuit
- Adjustable sensitivity and time
- Operating voltage: 4.5V- 20V
- Consumption in Idle state:

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

It is made up of a 16-character, 2-row, 6-button display.
The display is compatible with the HD44780 controller and is connected in 4-bit mode so it can be used directly through the Arduino LiquidCrystal library.
Ideal to navigate through the different parts of the configuration or map. Keyboard Shield 16x2 LCD screen for Arduino features:
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- 2x16 LCD with blue backlight and white characters
- Potentiometer to modify the LCD contrast
- 5-push-button keyboard + RESET
- Use of the minimum possible channels
- Full compatibility with Arduino UNO and Mega
- The display is compatible with the HD44780 controller
- Response time: 30 ms
- Size: 80 x 60 x 22 mm

DFRobot Gravity: The V2 analogue pH meter is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. The DFRobot ph sensor is commonly used in various applications such as aquaponics, aquaculture and environmental water testing.

The pH is a value that measures acidity or alkalinity.

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

The meter built on the basis of a water rotor and a Hall effect sensor
Please note this is not a Accuracy. Pulse rate varies slightly depending on flow rate, fluid pressure, and sensor orientation. Water Flow Sensor 1-30l /Min YF-S201 features:
- Working voltage range: DC 5 ~ 18 V
- Allow pressure: water pressure below 1.75Mpa
- Accuracy (flow-pulse output): ± 1 ~ 30 l / min
- Use temperature: ‰ ¤ 80 ° C
- Load capacity: ‰ ¤ 10 mA (5Vdc)
- Operating humidity: 35% ~ 90% RH (frost free)
- Temperature: -25 ~ + 80 ° C
- Outlet diameter: 1/2 "
- Red wire: positive supply
- Wire Black: negative power supply
- Yellow Cable: signal output
- Color: black
- Size: 6.2x3.6x3.4 cm

IIC/I2C adapter PCF8574 LCD 1602 1604 2004 Interface features:
- Based on the PCF8574A chip
- Power: 5V
- Supports I2C Protocol
- A potentiometer for regulate contrast
- Dimensions: 19x42mm PCF8574 - & gt; the default address 0x20
PCF8574A - & gt; the default address 0x3F - You can change anyone between 0x20 and 0x27 depending on whether or not you have soldered pins A0 A1 A2 - With this module the communication between the Arduino and the LCD It is only made through two outputs, SDA and SCL
- Up to 8 LCD screens can be connected to the same I2C bus choosing a different address - Ideal for projects with ARDUINO and Raspberry Pi platforms - You can use it with PIC, AVR, STM32

Descripción: Light sensor module to measure light intensity and obtain digital data from it.
Ideal for projects with ARDUINO.
You can use it with PIC, AVR, STM32.
BH1750FVI (Rohm) is used to adjust backlighting of LCD screens and keyboards by manufacturers of mobile phones, digital cameras, navigation and portable gaming devices. Light Sensor Module BH1750 FVI Arduino Raspberry features:
- Chip BH1750FVI
- Supply voltage 3V-5V
- Integrated 16bit AD converter
- Detection range: 0-65535 lx (with an accuracy of 1 lux)
- Interface: II2C
- Low dependence on the light source (eg incandescent lamp, fluorescent lamp, halogen lamp, white LED, sunlight)
- Dimensions 18.4 x 14 mm