The RP2350-Touch-LCD-1.85C is a high-performance, highly integrated microcontroller development board designed by Waveshare. Tiny size with onboard 1.85inch capacitive IPS display, RTC chip, TF card slot, and other peripherals for easy development and integration into products.
- RP2350A microcontroller chip designed by Raspberry Pi in the United Kingdom
- Adopts unique dual-core and dual-architecture design: dual ARM Cortex-M33 or dual Hazard3 RISC-V processors support, flexible clock running up to 150 MHz
- Built-in 520KB Static RAM, with onboard 16MB Flash
- Type-C port for easier use
- Onboard 1.85inch capacitive touch LCD, 360 × 360 resolution, 65K color
- Supports capacitive touch control via I2C header, with interrupt support
- Onboard UART, I2C, and MX1.25 2PIN Batt headers, etc.
- USB 1.1 with device and host support
- Low-power sleep and dormant modes
- Drag-and-drop programming using mass storage over USB
- Adapting 18 × multi-functional GPIO pins
- 2 × SPI, 2 × I2C, 2 × UART, 4 × 12-bit ADC, 12 × controllable PWM channels
- Accurate clock and timer on-chip
- Built-in temperature sensor for real-time monitoring of chip temperature
- 12 × programmable I/O (PIO) state machines for custom peripheral support
Excellent Display Performance
65K Color, 360 × 360 Resolution, Wide Viewing Angle

Capacitive Touch
Supports Capacitive Touch Function Controlled Via I2C Interface For Flexible Operation And Smooth UI Interaction, With Interrupt Support

Onboard Audio Codec Chip
Supports High-Quality Audio Processing, Providing Clear And High-Quality Audio Input And Output

Interface Introduction
Standard Version
This version does not include the speaker box, while all buttons are the same as the speaker box version

With Speaker Box Version

Dual-Core, Dual-Architecture
The Unique Dual-Core, Dual-Architecture Capability Of RP2350A Allows Users To Choose Between A Pair Of Industry-Standard Arm Cortex-M33 Cores, And A Pair Of Open-Hardware Hazard3 Cores, Giving Developers A Chance To Experiment With The RISC-V Architecture In A Stable, Well-Supported Environment

Support C/C++, MicroPython, Arduino IDE
Comprehensive SDK, Dev Resources, Tutorials To Help You Easily Get Started

What's On Board

- RP2350A
Dual-core and dual-architecture design, up to 150 MHz operating frequency - 16MB NOR-Flash
- TF card slot
- Amplifier chip
- Batt charging management chip
- Speaker header
- Batt power supply ON/OFF
- Microphone
- UART header
- Power indicator
- MX1.25 Batt header
for 3.7V Lithium Batt, supports charging and discharging, with charging current of up to 1A - USB Type-C port
for programming, USB 1.1 with device and host support
- Charge indicator
Lithium Batt charge indicator, lights up when charging, off when fully charged (the light status is uncertain when the Batt is not connected) - I2C header
connecting with internal chip, only supports the I2C peripherals and cannot be mapped to other functions - RTC Batt header
for connecting rechargeable RTC Batt - RESET button
- ES8311
low-power audio codec chip - 1.27mm pin header
Reserved 28PIN header, adapting GPIO and other function pins - BOOT button
press it when resetting to enter download mode - RTC chip
PCF85063 RTC chip

Outline Dimensions
Standard Version
With Speaker Box Version
