RP2350-Touch-LCD-1.69 is a low-cost, high-performance microcontroller development board with a rounded shape and compact size. The board features a 1.69-inch capacitive touch LCD screen, lithium battery charging circuit, six-axis sensor (three-axis accelerometer and three-axis gyroscope), real-time clock (RTC), buzzer, and other peripherals, supporting rapid development and integration into end products. It is based on the RP2350A microcontroller. Dual-core, dual-architecture design: dual-core ARM Cortex-M33 processor and dual-core Hazard3 RISC-V processor, with maximum clock frequency up to 150 MHz. Built-in 520 KB SRAM and 16 MB on-chip Flash memory. Equipped with a USB Type-C interface for reversible connectivity. Onboard 1.69-inch capacitive touch LCD display with 240 × 280 resolution and 262K color support. Integrated lithium battery charging and discharging interface for portable applications. Onboard RTC chip with dedicated battery interface for reliable timekeeping. Integrated buzzer for audio feedback. Supports USB 1.1 host and device modes. Supports low-power sleep and hibernation modes. Can be recognized as a mass storage device via USB for drag-and-drop firmware programming. Features accurate on-chip clock and timer peripherals. Includes an onboard temperature sensor. Note: Slight variations in printing or appearance may occur between production batches; these do not affect functionality. Color: Black Material: PCB and electronic components Package Contents: 1 × RP2350-Touch-LCD-1.69 board Note: The image may show slight color variation due to lighting and display differences. Dimensions are subject to a tolerance of ±1–3 cm.