M3 Hexagonal Spacer 25mm Male - Female Brass

- 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

Red Laser Cross Module 650nm 5mW Head Point Adjustable Focal Length features:
- Type: red laser diode
- Type of laser: cross
- Adjustable Focus
- Wavelength: 650nm
- Output power: 5mW
- Operating voltage: 4.5-5V
- Operating intensity: <40mA
- Operating temperature: -30ºC to 60ºC
- Dimensions of the emitter: Φ12x35mm
- Cable length: 130mm

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

Connector BLS03 Female/Female 3 Pins RoHS Single Row features:
- Step between pins: 2.54 mm
- Manufacturer: Maritex
- Number of connections: 3 in a single row
- Type: Female / Female
- RoHS standard

Turn your Maqueen into an excavator with this mechanical push kit. You can then use it for applications such as football matches, venue cleaning, etc. With a simple installation, it's ready to go. This play and learn kit comes with a wealth of mechanical knowledge, which will allow students to benefit a lot from hands-on practice. Come and find the most fun and interesting ways to play with Maqueen in this kit.

DC Gear Motor and Tire Wheel for Smart Car Robot features:
- Voltage: 3 to 6 Vdc
- Reduction: 1:48
- Speed without load: 100 RPM to 6Vdc
- No-load current: 90mA to 3Vdc - 180mA to 6Vdc
- Dimensions of the wheel: diameter 65mm - width 26 mm

Version compatible with Arduino Nano V3.0
It has an ATMega328P chip running at 16Mhz with bootloader loaded factory.
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 I / O pin 40 mA
- Flash memory: 32 KB (2 KB used by the bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- Frequency Clock: 16 MHz
- USB Communication - CH340
- Dimensions: 18 mm x 44 mm

It has an Atmega2560 chip running at 16Mhz with a factory loaded bootloader with 54 digital input / output pins (from which 14 can be used as PWM outputs) and 16 analog inputs, 4 UART (hardware serial ports). The board includes a USB connector, an ICSP port, a reset button and some status LEDs. Atmega16U2 programmed as a USB-to-serial converter. Simply connect it to a computer with a USB cable or power with a power adapter and DC connector.