ESP8266 The ESP8266 series module is a series of ultra-low power UART-WiFi module based on Lexin ESP8266 developed by Shenzhen Anxinke Technology Co., Ltd., which can be easily developed for secondary development, accessing cloud services, and implementing mobile phone 3. /4G Global, anytime, anywhere control, accelerate product prototyping.
ESP32-A1S ESP32-A1S module is an ultra-small multi-function audio module. It adopts ESP32 with dual-core processor as the main control. The main frequency is up to 600DMIPS. The module is internally equipped with 4M PSRAM and CodeC audio processing chip, which can be widely used. Internet of Things.