ESP8684-MINI-1-H2 WIFI-SMD module, ESP32-D0WD-V3, PCB aerial

ESP8684-MINI-1 is supplied with a PCB aerial. ESP8684-MINI-1U features a connector for an external aerial. Both ESP8684-MINI-1 and ESP8684-MINI-1U are available in two versions, with the ESP8684H2 or the ESP8684H4 chip integrated.

The ESP8684H2 and the ESP8684H4 chip belong to the same category, namely the ESP8684 chip series. ESP8684 chips have a 32-bit RISC-V single-core processor. They integrate a variety of peripherals, which are supported by UART, I2C, LED PWM controllers, general DMA controllers, temperature sensors and SAR ADC. They also include SPI, Dual SPI and Quad SPI interfaces.