---
product_id: 58331287
title: "Cloud Bluetooth Hc-08 Bluetooth Serial Port Module 4.0 Cc2540"
brand: "cloud bluetooth"
price: "€ 137.65"
currency: EUR
in_stock: true
category: "Electronics"
url: https://www.desertcart.es/products/58331287-cloud-bluetooth-hc-08-bluetooth-serial-port-module-4-0
store_origin: ES
region: Spain
---

# Cloud Bluetooth Hc-08 Bluetooth Serial Port Module 4.0 Cc2540

**Brand:** cloud bluetooth
**Price:** € 137.65
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Cloud Bluetooth Hc-08 Bluetooth Serial Port Module 4.0 Cc2540 by cloud bluetooth
- **How much does it cost?** € 137.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/58331287-cloud-bluetooth-hc-08-bluetooth-serial-port-module-4-0)

## Best For

- cloud bluetooth enthusiasts

## Why This Product

- Trusted cloud bluetooth brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

this is a hc-08 bluetooth serial port module.

## Features

- the core module size is:27mm * 13mm * 2mm.txd:serial transmission,3.3v ttl level.rxd:serial receive,3.3v ttl level.cts:serial flow control.rts:serial flow control.dc:simulates,burns the clock foot.dd:simulates,burns the data foot.rst:module reset pin,which requires a reset of not less than 5ms.
- vcc:module power pin,requires 3.3v dc power supply,power supply current of not less than 100ma.operating voltage range:2.0v ~ 3.6v.gnd:module common ground.led:module led output pin,high-level output,then the led when the series resistance.
- before the connection,the host does not record the address from the machine,the light every 100ms; host records from the machine address,bright 900ms per second; slave every 2 seconds on for 1 second.the led is always on after connection.
- key:input pin,internal pull-down.this pin connects high level,used for the host to clear the recorded slave address.
- pio:extended function,used to set the module master-slave mode,the default internal pull-up resistor for the slave; external pull-down resistor 1k to the ground,the host.

## Images

![Cloud Bluetooth Hc-08 Bluetooth Serial Port Module 4.0 Cc2540 - Image 1](https://images-eu.ssl-images-amazon.com/images/I/51Potg9hpsL.jpg)

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**Shop now:** [https://www.desertcart.es/products/58331287-cloud-bluetooth-hc-08-bluetooth-serial-port-module-4-0](https://www.desertcart.es/products/58331287-cloud-bluetooth-hc-08-bluetooth-serial-port-module-4-0)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-02*