Features: Effectively prevent dust, wind, sand, and impact, prevent droplets and saliva from splashing, isolate and protect, protect eyes, and reuse ..
Description:The RF front end is designed by two level low noise amplifier and two stage special filter. It is used for RF amplification of the front e..
Introduction:It consists of a keyes ESP32-IO expansion board and a keyes ESP32 Core boardDevelopment board composition, when using, only need to input..