NFC RFID Keychain Tag 13.56 MHz

The sensor measures the current flowing in the cable without cutting it. The measurement is made on a single insulated wire, the output is an analog voltage from 0 to 1 V. Sensor SCT-013-030, Non-Invasive 30A AC Current Meter features:
Input current: 0 to 30A AC Output voltage: 0 to 1 V AC Built-in load resistance: 62 Ω Winding ratio: 1800: 1 Operating temperature range: -25 ° C to 70 ° C Cable length: 1 m Sensor weight: approximately 45 g Sensor SCT013-030 datasheet

Resistor 10K Ohm 5% 0,25W 1/4W features:
-10K Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm

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

The perfect Arduino sensor kit to start learning about the world of electronics with Arduino. It comes with our step-by-step guide to each sensor, as well as its libraries. 

This switch can be used for development projects and for the industry. All metal parts are not oxidized, the insulation material is of high quality.
Its pins protected by an anti oxidant makes welding much easier. Switch On/On 3-pin 6A SPDT features:
- Type: Latch SPDT
- Material: Plastic, metal
- Maximum operating current and voltage: 3A / 250V, 6A / 125V
- Number of pins: 3
- Pin size: 4.5x2 mm
- Type of current: AC/DC
- Pins to be welded
- Switch action: 2 positions On/On
- Size: 13.2x12.7x33.3mm

It has an ATMega328P chip running at 16Mhz with a factory loaded bootloader
Characteristic:
- Microcontroller: ATmega328
- Operating Voltage (logic level): 5V
- Input Voltage (recommended): 7-12V
- Digital I / O Pins: 14 (6 PWM outputs)
- Analog Inputs: 8 (A0-A7)
- DC Current per Pin I / O 40 mA
- Flash Memory: 32 KB (2 KB used by the bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- Clock Frequency: 16 MHz
- USB Communication - CH340
- Dimensions: 18 mm x 44 mm

5V USB powered water pump. Submersible pump for aquariums. It doesn't make a lot of noise while you're working.

Ultrasonic sensors overcome many of the weaknesses of IR sensors by providing distance measurement regardless of the color and illumination of obstacles. Ultrasound Distance Sensor HC-SR05 features:
- Power supply: 4.5-5.5 VDC
- Supply current: 10 to 40 mA
- Activation pin format: 10 μs digital pulse
- Echo Pin Output: 0-Vcc
- Echo Pin Format: the output is DIGITAL and directly proportional with range. See our conversion formula below
- Measurement range: 2cm to ~ 4.5m
- Measurement resolution: 0.3cm
- Measurement angle: up to 15 degrees
- Measurement speed: 40 Hz,
- Connector: standard 5-pin male connector that can be connected directly to boards or breadboards:
- 1: VCC
- 2: Trig
- 3: Echo