Flere haves.

Specification:
Working voltage: TYPE-C 5V
SPI FLASH: Default 32MBIT
Serial port speed: 115200BPS
Frequency range: 2412-2484MHZ
Bluetooth-compatible protocol: Bluetooth-compatible 4.2BR/EDR and BLE standards
WIFI protocol: 802.11B/G/N
Antenna form: onboard PCB antenna, gain 2DB
Supported interfaces: UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DAC
Product size: about 54 * 28 * 10mm

Søgeord:
Home Assistant
Smart home
Homelab
Zigbee2mqtt
ZHA
esp32
espHome
esp8266