- Bluetooth SoC:
- IC that contains a microcontroller (MCU) with a BT transceiver along with necessary digital and analog peripherals - processing, memory, ADC, DAC, timers etc
- *** Requires RF designing, antenna matching and firmware development
- Bluetooth Module:
- Pre-assembled, pre-tested ready to use device that include BT functionality
- Typically includes BT IC, along with necessary supporting components such as antennas, crystal oscillators, passive components, firmware stack etc.
- Wil use the ESP 32-MINI-1 - https://jlcpcb.com/partdetail/EspressifSystems-ESP32_C3_MINI_1N4/C2838502
- Surprisingly despite it being a microcontroller, it is quite a bit cheaper than alternatives, and comes with a lot of online support and is easily programmable
- Will program it from an USB, the USB will connect to an USB-to-UART interface - https://jlcpcb.com/partdetail/wch_jiangsu_Qin_heng-CH340C/C84681
- Module will connect to microcontroller via UART
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