Power Adapter 220VAC DC 5V 2.5A EU Plug Micro USB Connector

HDMI to HDMI mini adapter features:
- Color: black - Manufacturer VCOM 

Relay Module DC 12V 10A 1 Channel Low/High Trigger features:
- Channel: 1 (protected with Optocoupler)
- Supply voltage: 12V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator
- Dimensions: 30x 54mm
- Has a jumper that allows to choose type of trigger signal (low / high)

- HC-05 Bluetooth transceiver module with base
- The bluetooth module HC-05 is one of the best options for projects where you need wireless communications.
- The transceiver module (transmission / reception) allows bluetooth wireless connections like master or slave, works in a transparent way as if we made a RS-232 TTL serial connection with cable.
Bluetooth Transceiver Module HC-05 Wireless features:
- Chipset CSR BC417
- 3.6 to 6 Vdc power supply
- Bluetooth version V2.0 + EDR
- Frequency: 2.4GHz ISM band
- Modulation: GFSK
- Reach approx. 10m
- Security: Authentication and encryption.
- Speed-> Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps / 1Mbps

Raspberry Pi 400 is the ideal tool, both educational, perfect for students of all ages, and for personal use. This RPi based on model 4, offers a low cost and portable solution, being ideal for home study and for teaching computer concepts such as programming, physical computing and networking. 

The Raspberry Pi 400 has a quad-core ARM Cortex A72 processor with 4GB of RAM, an Ethernet socket, 3 USB ports, two microHDMI ports and a 40-pin GPIO. Keyboard Spanish version

Characteristic: - Operating voltage: 3-6V
- Max flow: 80-120 l / h
- Maximum pumping height: 40-110cm
- Continuous working time of 500 hours
- Cable length: 20cm
- Inside outlet diameter: 5 mm
- Outside outlet diameter: 7.5 mm - Dimensions: 45mm x 23mm x 30mm

The sensors can be integrated into a variety of instruments associated with a concentration of airborne particles to improve equipment, provide timely concentration, and have Exact data.
Present the laser that scatters products on airborne particles, at the same time at a specific angle collect scattered light, changing the intensity curve that scatters over time.
The microprocessor uses the algorithm based on the MIE theory to deduce the grain size contained in the air and the concentration of the particles per unit and quantity. Characteristic: - Power supply: 4.5-5.5 VDC
- Measurement range: 0.3-1.0ï¼ ›1.0-2.5ï¼› 2.5-10 µm (micrometer)
- Accuracy of count: 50%@>

For Raspberry Pi 2 and Pi 3, B and B +.
Each heatsink includes a thermal sticker. Kit 3x Blue, Green and Gold colored flat metal aluminum heatsinks features:

1 blue aluminum heatsink:
- Dimensions: 9x9x12mm
1 flat gold metal sink:
- Dimensions: 12x12x1mm
1 green aluminum sink:
- Dimensions: 19x19x8mm

Buzzer alarm to convert electrical to acoustic signals in robotics devices and Arduino projects.
Buzzer 5V Active Buzzer 4 to 7V DC features:

- Input voltage: 4V to 7V
- Diameter: 12mm
- Height: 9.5mm
- Spacing Pins: 7.6mm
- Maximum Current: