WROOM-02
products overview - https://espressif.com/en/products/hardware/esp-wroom-02/overview
Variation:
- WROOM-02D/U further optimized RF performace, pin-to-pin compatible with WROOM-02
- WROOM-02D - on board PCB antenna
- WROOM-02U - on board IPEX antenna connector, can mount external atenna.
Internal SCH
Peripheral SCH
