LED diode 3mm 12V DC Light blue with 20cm cable

40x Cables Female-Male 20cm features:
-Length: 20cm
-Quantity: 40 cables
-Connectors have male and female header contacts at either end
-Compatible with female connectors 2,54mm
-High quality and good working conditions
-Easy to install and use

Encapsulated with water resistant stainless steel with sensor dimensions 5.5*50mm, cable length 200 cm. DS18B20 Probe 2m Submersible Temperature Sensor features:
- Based on the DS18B20 chip
- Supply voltage: 3 ~ 5.5V
- Consumption <5mA
- Measuring Range: -55 °C to 125 °C
- Accuracy: +/- 0,5ºC
- Outputs: - GND black
      - Vcc red
      - Yellow digital output
- Inocidable steel
- Cable length: 2m  

140x Jumper Wire Kit features:
-Quantity: 140 pieces of different lengths and colors in small box compartments
-Box measures: 170x55x15mm

SparkFun Hamburger speaker is a high quality speaker in a small form and with even smaller price. You wouldn't believe you can get a quality product for less than 7€, right? Well, we couldn't believe that as well, but SparkFun makes that possible.

- It has an Atmega328P chip running at 16Mhz with a factory loaded bootloader - The Uno R3 module has all the connectors than the Arduino Uno R3 and is compatible with all Arduino shields Arduino compatible UNO R3 board features:
- Includes USB Cable - ATmega328P 16MHz chip with external quartz crystal
- Microprocessor: ATmega328
- Operating voltage: 5V
- Input voltage (recommended): 7-12V
- Input voltage (limits): 6-20V
- Clock speed: 16 MHz
- Digital I / O Pins: 14
- Analog input pins: 6
- DC current per I / O Pin: 40 mA
- DC Current per Pin 3.3V: 50 mA
- Flash32 KB of which 0.5 KB are used by the bootloader - Atmega328
- SRAM 2 KB - Atmega328

- Immerse the probe in the fish tank to measure the water temperature Digital Thermometer with External Temperature Probe features:
- Cable length: 1m
- LCD screen
- Temperature range: -50 C ~ + 70C
- Powered by 2 batteries x LR44 / AG13 button (included)
- Cable length: approx.100cm
- External Dimensions: 48 x 28.5 x 15.2 mm
- Dimension LCD screen: 35 x 16 mm
- Color: Black
- Used to measure the temperature in: the rooms, the aquarium, terrarium in the heating system, in the car, fridge, freezer

5x Push Switch Button B3F Omron Red Key 12mm features:

- 5x Push Buttons B3F Omron Key
- 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

Also available with waterproof casing and 100cm cable and 200cm. DS18B20 Temperature Sensor TO-92 0.5ºC Precision 5V Integrated features:
- Device function: Temperature sensor
- Type of output: Digital
- Supply voltage: 3V to 5.5V
- Accuracy: ± 0.5ºC
- Temperature threshold: Programmable
- Operating temperature: -55ºC to + 125ºC
- Encapsulated: TO-92
- Supply current: 1.5mA