This version does not have soldered OLED screens.
The built-in SX1276[915mhz] Lora chip facilitates the project to send and receive data over a long distance with low power consumption
Onboard ESP32 MCU with WiFi BLE [v 4.2 ] transmission function, 4MB Flash and 8MB PSRAM, supporting daily entry-level programming
Use 3D wifi antenna to save spacewe also reserved IPEX antenna base for use. [Note that the onboard antenna and external antenna can't be used together
The CH9102 serial port programming chip is convenient for daily programming. Before connecting, you need to pay attention to ensure that the driver has been installed on the compute