Onboard ESP32D4 microcontroller with 4MB flash Onboard CH343P USBtoserial converter for easy USB programming and serial communication Ceramic antenna for wireless connectivity Key benefits Simplified development: USB programming and serial communication without the need for external adapters Adequate memory: 4MB flash supports firmware storage and moderate data logging Wireless capability: Ceramic antenna enables wireless communication through the ESP32 platform Specifications you can rely on ESP32D4 core with 4MB flash Integrated USBtoserial interface CH343P Ceramic antenna for wireless operation Practical use scenarios IoT sensor node: connect sensors, process data on device, and transmit results over WiFi Remote environmental data logger: collect measurements, store locally, and upload when connected Prototyping wireless devices: develop and test WiFi/Bluetoothenabled prototypes with an allinone board Notes Designed for ESP32 development and prototyping Keeps a compact, selfcontained package with essential connectivity features for quick project iteration