DFRobot FireBeetle ESP32-E Manual page 29

Member Functions
begin()
Description: Init WiFi module
softAP(ssid,password)
Description: Configure WiFi to AP mode, and set name and password
Parameter:
ssid: WiFi name in AP mode
password: WiFi password in AP mode
disconnect()
Description:disconnect client
connect()
Description: connect client
read()
Description:
Read the data received by WiFi
write()
Description: Send data by WiFi
7.5 Hall Sensor
The ESP32 comes with a hall sensor that presents positive/negative number when approaching a mangnetic field.