ESP32 INSATALLING AND STARTING WIFI SCAN TEST

FIRST CONNECT ESP32 TO USB ON MACBOOK AIR(MY ONE)

RED POWER LED TURN ON

MENU ARDUINO --> REFERENCE -->

.https://dl.espressif.com/dl/package_esp32_index.json 

and OK button

AND GOTO

MENU TOOLS --> BOARD --> BOARD MANAGER AND SEARCH (ESP32)

THEN DOWNLOAD BOARD MANAGER.

THEN 

SELECT LIKE BELOW.

THEN MENU FILE -->

EXAMPLES--> WIFI --> WIFI SCAN OPEN

UPLOAD ...

IF FAIL, PRESS AND HOLD BOOT BUTTON ON ESP MODULE WHILE UPLOAD. 

..

TEST SCAN BELOW.