ESP32 S3 dual-core processor enables fast, efficient embedded applications for timing and measurement tasks
1.75 inch AMOLED round touch display provides an intuitive, expressive interface for interactive projects
Built-in vibration motor and programmable buttons allow for haptic and tactile feedback in custom applications
Integrated Wi-Fi and Bluetooth connectivity support wireless data logging and remote control
Expandable with GPIO headers and rear expansion bus for additional peripherals and hardware integration
Summarized by Shop
M5Stack Stopwatch Dev Kit (ESP32-S3) is a portable round development board built for interactive embedded projects, compact smart devices, and lightweight IoT terminals. Based on the official M5Stack product information, it combines an ESP32-S3R8 controller with 16MB Flash, 8MB PSRAM, a 1.75-inch AMOLED round touch display, onboard audio,
Processor
ESP32 S3R8 dual-core Xtensa LX7, up to 240 MHz
Memory
16 MB Flash, 8 MB PSRAM
Display
1.75 inch AMOLED round touch, 466 x 466 resolution
Wireless
2.4 GHz Wi-Fi (802.11b/g/n), Bluetooth 5.0 LE
Expansion
HY2.0-4P interface, rear expansion bus (2.54-pin 7P, 2.54-pin 6P)