M5Stack StopWatch 1.75 Inch Round AMOLED Touch Screen Development Board ESP32-S3R8 16MB Flash 8MB PSRAM 2.4GHz WiFi IMU

1111MicrosoftInternetExplorer402DocumentNotSpecified7 8 磅Normal0SpecificationSoCESP32 S3R8 dual core Xtensa LX7 up to 240MHzFlash16MBPSRAM8MBWireless2 4GHz Wi FiDisplay1 75 AMOLED round touch display 466x466 resolution CO5300 driver chip QSPI interfaceTouchCST820B driver chipButtons2 x programmable buttons 1 x power buttonVibration FeedbackBuilt in vibration motorAudio CodecES8311MicrophoneMEMS MICAudio AmplifierAW8737AIMUBMI270RTCRX8130CEExpansion InterfaceHY2 0 4PRear Expansion Bus2 54 7P 2 54 6PBody StructureLanyard holePower ManagementM5PM1 multi level power managementBattery Capacity450mAhInput PowerUSB Type C DC 5VProduct Size52 0 x 52 0 x 15 5mmProduct Weight39 0g DescriptionStopWatch is a round AMOLED touch development board designed for portable and interactive scenarios It features an ESP32 S3R8 main controller with 16MB Flash and 8MB PSRAM and supports 2 4GHz Wi Fi wireless communication The device integrates a 1 75 AMOLED round touch display programmable buttons and vibration feedback to provide an intuitive human machine interaction experience It also provides audio input output IMU attitude sensing RTC timekeeping and multiple expansion interfaces Together with the M5PM1 multi level power management system and a 450mAh battery it can meet diverse development needs such as portable smart control wearable human machine interaction and lightweight IoT terminals Feature1 ESP32 S3R8 core controller 16MB Flash 8MB PSRAM2 4GHz Wi Fi 2 Interac