, exquisite, compact, and convenientMore powerful than just appearance and performanceCar mounted 0.96-inch 128 x 64 dot OLED display screen, capable of displaying debugging information, battery level, and other informationSupport for development environmentMain control chip: ESP32-S3FN8USB to serial chip: CP2102Wifi: 802.11b or g, up to 150bpsBLE: Bluetooth LE: Bluetooth 5. Bluetooth mesh: 7xADC1and2xADC2 3xUART, 2xI2c 2xSPIInterface: Type-c 2x1.25 battery interface 2x18x2.54 pinsBattery: Supports 3.7v lithium battery charging and dischargingTemperature: 20-70Power consumption: deep sleep 10ADue to different batches, there may be differences in product appearance and printed text, which will not affect useColour:As ShownMaterial:ABSPackage Contents:1 x Development Board kitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.