Details
RP2350 High-Performance Development Board With 3.49inch IPS Capacitive Touch Display, 172 × 640 Resolution, Dual-core & Dual-architecture Design, Built-in AXS15231B LCD & Touch Controller, Optional For Lithium Batt.
RP2350 3.49inch Touch LCD
development board
development board
QSPI Display | Audio Input/Output | Multiple peripheral interfaces
Version Options
RP2350-Touch-LCD-3.49
Comes with a 18650 Lithium Batt.
(can be installed inside the case)
RP2350-Touch-LCD-3.49-EN
Standard version, without Lithium Batt.
LCD parameters
| Display Panel | LCD | Display Size | 3.49 inch |
|---|---|---|---|
| Resolution | 172 × 640 | Display Colors | 16.7M |
| Brightness | 350 cd/m2 | Contrast Ratio | 1200:1 |
| Display Interface | QSPI | Driver IC | AXS15231B |
| Touch Interface | I2C | Touch Type | Capacitive touch |
Features
The RP2350-Touch-LCD-3.49 is a high-performance, highly integrated microcontroller development board designed by Waveshare. Onboard 3.49inch capacitive touch IPS display, highly integrated power management IC, 6-axis IMU (3-axis accelerometer and 3-axis gyroscope), RTC chip, low-power audio codec IC, TF card slot, and so on, which makes it easy for you to develop and integrate into the products quickly.
- RP2350B 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
- 520KB of SRAM, 16MB onboard Flash memory
- Type-C connector for easier use
- Onboard 3.49inch IPS capacitive touch display, 172 × 640 resolution, 16.7M color, for clear color picture display
- Built-in AXS15231B LCD & touch controller, using QSPI and I2C interfaces for communication respectively
- Onboard 3.7V MX1.25 Lithium Batt. recharge/discharge header and 18650 Lithium Batt. holder
- USB 1.1 with device and host support
- Low-power sleep and dormant modes
- Drag-and-drop programming using mass storage over USB
- 16 × Multi-Function GPIO Pins
- 1 × HSTX, 2 × SPI, 2 × I2C, 2 × UART, 6 × 12-bit ADC and 16 × controllable PWM channels
- Accurate clock and timer on-chip
- Temperature sensor
- Accelerated floating-point libraries on-chip
- 12 × Programmable I/O (PIO) state machines for custom peripheral support
IPS Display Panel
Excellent display performance, 16.7M color, wide viewing angle
Capacitive touch
Suitable for various smart device development, enabling human-machine interaction
product case
for reference only, please refer to the package content for detailed part list.
Onboard audio codec
Supports high-quality audio processing, providing clear and high-quality audio input and output
dual-core, dual-architecture
The unique dual-core, dual-architecture capability of RP2350B 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
Supports C/C++, MicroPython, Arduino IDE
Comprehensive SDK, Dev Resources, Tutorials To Help You Easily Get Started
What's On Board
- RP2350B
Dual-core and dual-architecture design, up to 150 MHz operating frequency - 16MB Nor Flash
- PCF85063
RTC clock chip, supports time retention - ES8311 audio codec chip
high-performance, low-power audio DAC - Microphone
audio capture - 3.49inch display panel connector
- USB Type-C connector
for programming, USB 1.1 with device and host support - TF card slot
- QMI8658
3-axis gyroscope and 3-axis accelerometer, suitable for applications such as attitude sensing and motion recognition - 16PIN 2.54mm pitch through-hole pads
for connecting external modules and enabling functional expansion
- DEBUG interface
for debugging and downloading program - MX1.25 2PIN Lithium Batt. header
MX1.25 2PIN connector, for 3.7V Lithium Batt., supports charging and discharging - MX1.25 2PIN speaker header
audio signal output, for connecting an external speaker - BOOT button
Press it when resetting to enter download mode
- PWR power button
for power ON/OFF control, supports customizable functions - RESET button
- CHG Indicator
Lithium Batt. charging indicator - 18650 Batt. holder
Pin definition
outline dimensions
Pico Product Selection
| PRODUCT | Voltage regulator chip | USB | Flash | Lithium battery header | Onboard LCD |
|---|---|---|---|---|---|
| RP2350 chip | |||||
 Raspberry Pi Pico 2 |
DC-DC, 800mA | Micro USB | 4MB | - | - |
 Raspberry Pi Pico 2 W |
DC-DC, 800mA | Micro USB | 4MB | - | with WIFI and Bluetooth |
 Raspberry Pi Pico 2 WH |
DC-DC, 800mA | Micro USB | 4MB | - | with WIFI and Bluetooth |
 CAN ver. |
DC-DC, 2000mA | Type-C | 4MB | - | CAN interface |
 Type-A ver. |
LDO, 500mA | Type-A | 4MB | - | - |
 Type-C ver. |
LDO, 800mA | Type-C | 4MB | - | - |
 PIO-USB ver. |
LDO, 500mA | Type-C | 2MB | - | with PIO-USB Type-C female port |
 Tiny ver. |
LDO, 800mA | Separate Type-C port adapter | 4MB | - | Separate adapter board design, adapting USB Type-C port via FPC |
 RGB Matrix ver. |
LDO, 800mA | Type-C | 16MB | - | Onboard 8 x 8 RGB LED Matrix |
 ETH Port ver. |
LDO, 800mA | Type-C | 4MB | - | with Ethernet port |
 USB ver. |
LDO, 500mA | Type-A, Type-C | 2MB | - | with PIO-USB Type-A and USB Type-C port |
 core board |
LDO, 800mA | Separate Type-C port adapter | 16MB | - | - |
 wireless Plus ver. |
LDO, 800mA | Type-C | 16MB | - | Supports Wi-Fi and Bluetooth |
 1.43inch Round Touch AMOLED ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.43inch AMOLED Touch LCD |
 1.64inch Touch AMOLED ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.64inch AMOLED Touch LCD |
 1.75inch Round Touch AMOLED ver. |
DC-DC, 2000mA LDO,300mA |
Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.75inch AMOLED Touch LCD |
 1.8inch Touch AMOLED ver. |
DC-DC, 2000mA LDO，300mA |
Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.8inch AMOLED Touch LCD |
 2.41inch Touch AMOLED ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 2.41inch Touch AMOLED |
 0.85inch LCD ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 0.85inch IPS LCD |
 0.96inch LCD ver. |
DC-DC, 2000mA | Type-C | 4MB | Support(allows recharging the battery and powering the board at the same time) | 0.96inch IPS LCD |
 1.28inch Round LCD ver. |
LDO, 300mA | Type-C | 4MB | Support(allows recharging the battery and powering the board at the same time) | 1.28inch IPS LCD |
 1.28inch Round Touch LCD ver. |
LDO, 300mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.28inch IPS touch LCD |
 1.46inch Round Touch ver. |
DC-DC, 2000mA | Type-C | 16MB | - | 1.46inch touch LCD |
 1.47inch LCD ver. |
LDO, 300mA | Type-C | 16MB | - | 1.47inch IPS LCD |
 1.47inch LCD USB ver. |
LDO, 300mA | Type-A | 16MB | - | 1.47inch IPS LCD |
 1.54inch LCD ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.54inch IPS LCD |
 1.54inch Touch LCD ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.54inch IPS Touch LCD |
 1.69inch Touch LCD ver. |
LDO, 500mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.69inch Touch LCD |
 1.85inch Round Touch LCD ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.85inch Touch LCD |
 2inch Touch LCD ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 2inch Touch LCD |
 2.1inch Round Touch LCD ver. |
LDO, 800mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 2.1inch Touch LCD |
 2.1inch Round Curved Touch LCD ver. |
LDO, 800mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 2.1inch 2.5D Curved Touch LCD |
 2.8inch Touch LCD ver. |
LDO, 800mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 2.8inch IPS Touch LCD |
 2.8inch Round Touch LCD ver. |
LDO, 800mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 2.8inch IPS Touch LCD, RGB interface |
 3.49inch Touch LCD ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 3.49inch IPS Touch LCD |
 3.5inch Touch LCD ver. |
DC-DC, 2000mA LDO, 300mA |
Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 3.5inch Touch LCD |
 4inch LCD ver. |
LDO, 800mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 4inch IPS LCD, RGB interface |
 4inch Touch LCD ver. |
LDO, 800mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 4inch IPS Touch LCD, RGB interface |
 4.3inch Touch LCD ver. |
LDO, 800mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 4.3inch IPS Touch LCD, RGB interface |
 7inch Touch LCD ver. |
DC-DC, 3000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 7inch IPS Touch LCD, RGB interface |
 7inch LCD ver. |
DC-DC, 3000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 7inch IPS LCD, RGB interface |
 1.54inch e-Paper ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.54inch e-Paper display |
 1.54inch touch e-Paper ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.54inch touch e-Paper display |
 Plus ver. |
DC-DC, 2000mA | Type-C | 4MB/16MB | Support(allows recharging the battery and powering the board at the same time) | - |
 DVI port ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | Onboard DVI interface, TF card slot and PIO-USB port |
| RP2040 chip | |||||
 Raspberry Pi Pico W |
DC-DC, 3000mA | Micro USB | 2MB | - | with WIFI |
 Raspberry Pi Pico WH |
DC-DC, 3000mA | Micro USB | 2MB | - | with WIFI |
 Raspberry Pi Pico |
DC-DC, 800mA | Micro USB | 2MB | - | - |
 Raspberry Pi Pico H |
DC-DC, 800mA | Micro USB | 2MB | - | - |
 Type-A ver. |
LDO, 500mA | Type-A | 4MB | - | - |
 Mini ver. |
LDO, 800mA | Type-C | 2MB | - | - |
 Tiny ver. |
LDO, 500mA | Separate Type-C port adapter | 2MB | - | Separate adapter board design, adapting USB Type-C port via FPC |
 RGB Matrix ver. |
LDO, 500mA | Type-C | 2MB | - | Onboard 5×5 RGB LED matrix |
 BLE ver. |
LDO, 300mA | Separate Type-C port adapter | 2MB | - | Supports Bluetooth 5.1, separate adapter board design, adapting USB Type-C port via FPC |
 ETH Port ver. |
LDO, 500mA | Type-C | 4MB | - | with Ethernet port |
 0.99inch Round LCD with case ver. |
LDO, 500mA | Type-C | 2MB | - | 0.99inch IPS LCD, CNC metal case |
 1.28inch Round LCD ver. |
LDO, 300mA | Type-C | 2MB | Support(allows recharging the battery and powering the board at the same time) | 1.28inch IPS LCD |
 1.28inch Round LCD with case ver. |
LDO, 300mA | Type-C | 2MB | Support(allows recharging the battery and powering the board at the same time) | 1.28inch IPS LCD, CNC metal case |
 1.28inch Round Touch LCD ver. |
LDO, 500mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.28inch Touch LCD |
 1.28inch Round Touch LCD with case ver. |
LDO, 500mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.28inch Touch LCD, CNC metal case |
 1.69inch Touch LCD ver. |
LDO, 500mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.69inch Touch LCD |
1.85inch Touch LCD ver. |
DC-DC, 2000mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | 1.85inch Touch LCD |
 0.96 LCD ver. |
DC-DC, 1800mA | Type-C | 2MB | Support(allows recharging the battery and powering the board at the same time) | 0.96inch IPS LCD |
 Plus ver. |
DC-DC, 1800mA | Type-C | 4MB/16MB | Support(allows recharging the battery and powering the board at the same time) | - |
 DVI port ver. |
LDO, 300mA | Type-C | 16MB | Support(allows recharging the battery and powering the board at the same time) | Onboard DVI interface, TF card slot and PIO-USB port |
 Cam & LCD ver. |
- | Type-C | 16MB | - | Onboard grayscale camera and 1.14inch IPS LCD display |
Quick Overview
* the 18650 Lithium Batt. is optional.
- RP2350-Touch-LCD-3.49 x1
- OPTIONAL 18650 Lithium Batt. x1
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