YongCo Low Power Keyboard Development Board — ESP32S3 (two cores, 240MHz) • 8MB PSRAM, 16MB Flash • 3‑Mode USB / Bluetooth 5.0 / 2.4GHz • Hot‑Swappable, Window111 rgbs, GPIO & stm32s3 encoders module

A metal-built, modular mechanical keyboard development board from YongCo designed for low power operation and flexible connectivity. It supports three connection modes—USB, Bluetooth 5.0 and 2.4GHz wireless—so you can pair across multiple devices and mobile platforms for coding, office work, gaming or entertainment. Hot-swappable switches and Window111 rgbs synchronization make it easy to customize both feel and lighting. Under the hood is an ESP32S3 two cores processor (240MHz) paired with 8MB PSRAM and 16MB Flash storage. The board includes neural network acceleration and offers 40+ programmable rgbs lighting effects for extensive visual customization. Expansion is available via a stm32s3 encoders module and a GPIO pin to add peripherals or controls. Built for developers and enthusiasts, the platform is metal constructed and supports open-source toolchains and IDEs with MicroPython available for firmware customization. Whether you’re creating custom peripherals, building firmware-driven projects, or assembling a professional keyboard setup, this YongCo development board provides the hardware and software flexibility you need.