HC-06 BT 4pin Bluetooth Module with Button (Original version Type-A)

$3.93

SKU: FA2040 Category:

Description

Product Description
The HC-06 (Original Type-A) is a professional-grade Bluetooth 2.0+EDR (Enhanced Data Rate) slave module designed for high-stability wireless serial communication. Unlike the HC-05, which can switch roles, the HC-06 is a dedicated Slave module, making it the ideal choice for devices that need to be discovered and controlled by a Master device such as a smartphone, tablet, or PC.
The Type-A Original version is built using high-quality components and genuine firmware, ensuring superior frequency consistency and lower packet loss compared to generic clones. This module functions as a “Transparent Wireless Bridge”—once a connection is established, data sent to the module’s RX pin is instantly transmitted to the paired device, and vice versa. Its 4-pin layout (VCC, GND, TXD, RXD) simplifies wiring for Arduino, Raspberry Pi, and Industrial PLC systems.
Key Features
  • Original Industrial Chipset: Features genuine silicon for enhanced thermal stability and a more reliable signal in environments with high 2.4GHz interference.
  • Dedicated Slave Mode: Pre-configured as a “set-and-forget” peripheral, ensuring it is always ready to be found and paired with by a Master device.
  • Transparent Serial Data: No complex Bluetooth programming is required. It functions exactly like a wireless RS232 cable for simple TTL serial communication.
  • High-Speed Matching: Optimized firmware allows for faster pairing and reconnection times compared to standard modules.
  • Wide Power Compatibility: The onboard regulator supports an input of 3.6V to 6.0V, allowing it to run safely on standard 5V rails.
  • Status LED Indicator: Built-in LED provides real-time feedback: rapid flashing (searching/pairing) and steady light (connected/paired).

Additional information

Bluetooth Protocol

Bluetooth V2.0 + EDR (Classic)

Operating Voltage

3.6V – 6.0V DC

Operating Current

Pairing: ~35mA; Connected: ~8mA

Logic Level (I/O)

3.3V TTL (VCC is 5V compatible)

Default Baud Rate

9600 bps

Default Pairing PIN

1234

Frequency Band

2.4GHz ISM Band

Modulation

GFSK (Gaussian Frequency Shift Keying)

Transmission Power

Class 2 (+4dBm)

Operating Temperature

-25°C to +75°C

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