EoRa-S3-900TB wireless module development test board is a development test kit based on Espressif's ESP32-S3FH4R2 chip and Ebyte LoRa module. The development board integrates a Type-C interface, E22-900MM22S LoRa module, 0.96-inch OLED display, SD card slot, lithium battery charging circuit and its power supply circuit.