# HC-05 (Component) ## Description HC-05 module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup. Serial port Bluetooth module is fully qualified Bluetooth V2.0+EDR (Enhanced Data Rate) 3Mbps Modulation with complete 2.4GHz radio transceiver and baseband. It uses CSR Bluecore 04-External single chip Bluetooth system with CMOS technology and with AFH(Adaptive Frequency Hopping Feature). It has the footprint as small as 12.7mmx27mm. Hope it will simplify your overall design/development cycle #Module #Bluetooth #SPP ## Component Details - **Owner:** jecstronic - **Created:** 6/6/2023 - **Last Updated:** 6/6/2023 - **Visibility:** Public - **Manufacturer Part Number:** HC-05 - **Datasheet URL:** https://www.snapeda.com/parts/HC-05/ITead%20Studio/datasheet/ - **Manufacturer Name:** Itead Studio - **Part Type:** Module - **License:** https://creativecommons.org/licenses/by/4.0/ - **Used in:** 1044 projects - **Stars:** 7 - **Forks:** 3 - **Part Type:** Modules - **MPN:** HC-05 - **Mount Type:** Base - **Package / Case Code:** Module - **Pin Count:** 33 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | UART-TX | | | 2 | UART-RX | | | 3 | ~UART-CTS | | | 4 | ~UART-RTS | | | 5 | PCM-CLK | | | 6 | PCM-OUT | | | 7 | PCM-IN | | | 8 | PCN-SYNC | | | 9 | AIO[0] | | | 10 | AIO[1] | | | 11 | ~RESETB | | | 12 | 3.3_VCC | | | 13 | GND | | | 15 | USB_- | | | 16 | ~SPI_CSB | | | 17 | SPI_MOSI | | | 18 | SPI_MISO | | | 19 | SPI_CLK | | | 20 | USB_+ | | | 21 | GND | | | 22 | GND | | | 23 | PIO[0] | | | 24 | PIO[1] | | | 25 | PIO[2] | | | 26 | PIO[3] | | | 27 | PIO[4] | | | 28 | PIO[5] | | | 29 | PIO[6] | | | 30 | PIO[7] | | | 31 | PIO[8] | | | 32 | PIO[9] | | | 33 | PIO[10] | | | 34 | PIO[11] | | --- *Generated from [https://www.flux.ai/jecstronic/hc-05~ea](https://www.flux.ai/jecstronic/hc-05~ea)*