The Waveshare 31538 is the ESP2-C6-Touch-LCD-1.69 which is an ESP32-C6 with Display 1.69inch Touch Display Development Board, 240×280 Pixels, and supports Wi-Fi 6 / BLE 5, 160MHz RISC-V Processor, AI Speech.
Part No.: ESP2-C6-Touch-LCD-1.69 is item provided.
Embedded with ST7789V2 Display Driver and CST816T Capacitive Touch Chip
LCD Specifications
DISPLAY PANEL |
IPS |
DISPLAY SIZE |
1.69inch |
Resolution |
240 × 280 pixels |
Color |
262K |
Brightness |
435 cd/㎡ |
Contrast Ratio |
315:1 |
Communication Interface |
SPI |
Display Driver |
ST7789V2 |
Touch Type |
Capacitive |
Touch IC |
CST816T |
Features
ESP32-C6-Touch-LCD-1.69 is a tiny size, low-cost, high-performance MCU board designed by Waveshare. Onboard 1.69inch capacitive touch LCD display, Lithium battery recharge manager, audio codec chip, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), RTC chip, and so on, which makes it easy for you to develop and integrate into products quickly.
Key features include:
- Equipped with a high-performance 32-bit RISC-V processor with clock speed up to 160 MHz, and a low-power 32-bit RISC-V processor with clock speed up to 20MHz
- Integrated WiFi 6, Bluetooth 5 and IEEE 802.15.4 (Zigbee 3.0 and Thread) wireless communication, with superior RF performance
- Built-in 320KB ROM, 512KB HP SRAM, 16KB LP SRAM and 16MB Flash memory
- Type-C connector for easier use
- Onboard 1.69inch capacitive touch LCD display for clear color picture display, 240 × 280 resolution, 262K color
- Built-in ST7789V2 display driver and CST816T capacitive touch chip, using SPI and I2C communication respectively, effectively saving the IO resources
- Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for detecting motion gestures, counting steps, etc.
- Onboard PCF85063 RTC chip for RTC function requirement
- Onboard RST, BOOT and a programmable side button for easy custom function development
- Onboard 3.7V MX1.25 Lithium battery recharge/discharge header
- Onboard ES8311 audio codec chip, microphone, and speaker for AI interaction
- Reserved GPIO, I2C, USB, and UART pads for external device connection and debugging, enabling flexible peripheral configuration
- Supports flexible clock, module power supply independent setting, and other controls to realize low power consumption in different scenarios
- High touch screen transmittance, fast response and long lifetime.
ESP32-S3 suitable for AIoT applications
Equipped with a high-performance 32-bit RISC-V processor and a low-power 32-bit RISC-V processor,
the main frequency is up to 160 MHz, Powerful AI Computing Capability & Reliable security features
subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh

Support AI voice interaction
Allows access to online large model platforms such as DeepSeek, Doubao, etc.
Small Size, Touch More Possibilities
Suitable For Various Smart Devices Development, Can Realize Human-Computer Interaction Function
What's On Board
- ESP32-C6
- W25Q128JVSIQ
16MB NOR-Flash - PCF85063
RTC chip - QMI8658
6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer - ETA6098
High-efficiency Lithium battery charging IC - MX1.25 2P Lithium battery header
for connecting 3.7V Lithium battery, supports charging and discharging - Type-C port
ESP32-C6 USB interface, for program uploading and log printing - MX1.25 speaker header
- Onboard antenna
- PWR button
Supports battery power supply control, single-press, double-press, multi-press and long-press operations - BOOT button
- RST button
- Microphone
- NS4150B
3.0W mono class-D audio power amplifier - ES8311 (back side)
Low power mono audio code
Pin Definition
Package contents:
ESP32-C6-Touch-LCD-1.69 × 1
6Ω 1W speaker × 1
WiiKi: ESP32-C6-Touch-LCD-1.69