# BL-73B (Component) ## Description Development Boards & Kits BL-73B COMM-SMD_BL-73B LCSC Part Number: C879207 JLCPCB Part Class: undefined Manufactured by MACHINE INTELLIGENCE(机芯智能) ## Component Details - **Owner:** lcsc - **Created:** 10/30/2024 - **Last Updated:** 10/30/2024 - **Visibility:** Public - **Manufacturer Name:** MACHINE INTELLIGENCE(机芯智能) - **Manufacturer Part Number:** BL-73B - **Package or Case Code:** COMM-SMD_BL-73B - **Part Type:** Development Boards & Kits - **LCSC Part Number:** C879207 - **Part Type:** Development Boards - **MPN:** BL-73B - **Mount Type:** Surface Mount - **Package / Case Code:** SMD - **Pin Count:** 32 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | BL_TX0 | | | 2 | BL_RX0 | | | 3 | GND | | | 4 | NC | | | 5 | IO8 | | | 6 | IO17 | | | 7 | IO20 | | | 8 | SU_B8 | | | 9 | SU_TX1 | | | 10 | SU_RX1 | | | 11 | IO14 | | | 12 | IO21 | | | 13 | IO22 | | | 14 | IO0 | | | 15 | MIC+ | | | 16 | MIC- | | | 17 | SU_B2 | | | 18 | SU_B3 | | | 19 | SU_RX0 | | | 20 | SU_TX0 | | | 21 | GND | | | 22 | IO1 | | | 23 | IO2 | | | 24 | IO3 | | | 25 | IO4 | | | 26 | IO5 | | | 27 | SPK+ | | | 28 | SPK- | | | 29 | GND | | | 30 | RST | | | 31 | 3V3 | | | 32 | VCC | | --- *Generated from [https://www.flux.ai/lcsc/bl-73b~p29i](https://www.flux.ai/lcsc/bl-73b~p29i)*