ESP32 is already integrated with antenna and RF balun, power amplifier, low noise amplifiers, filters, and the power management module.
The entire solution is the least amount of PCB area.This board is 2.4 GHz dual mode WiFi and bluetooth chips by tsmc 40nm low power technology, power and optimized RF characteristics, which is safe, reliable, and scalable to a wide range of applications.
Arduino IDE - please visit link below how to add ESP32 board
Fonts library SSD1306 (128x64)
complete fonts list is available here: https://github.com/olikraus/u8g2/wiki/u8g2setupcpp
// (SCL)clock=*/ 4, /* (SDA)data=*/ 5
From u8g2 examples:
U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE, /* clock=*/ 4, /* data=*/ 5); // ESP32 Thing, HW I2C with pin remapping
Small volume, easy embeded to other products
Strong function, with the support of lwIP protocol, freertos
Support three modes: AP, STA and AP+STA
Support for lua program, easy to develop
Oled display 128x64 white SSD1306
1 x Lolin ESP32 with 0.96 OLED Module
Display tested before shipping