1.28-Inch Double Eye Round LCD Display with ESP32-S3

This development board combines two integrated 1.28-inch IPS displays with a resolution of 240×240 pixels and 65,000 colors, ideal for animated "eyes" and user interfaces. The powerful ESP32-S3 microcontroller with a dual-core LX7 processor reaches up to 240 MHz and features 16 MB Flash and 8 MB PSRAM for extensive software projects. Wireless connectivity is provided by 2.4 GHz Wi-Fi and Bluetooth LE. An integrated ES8311 audio codec and an ES7210 ADC enable audio playback and recording; a microphone is built-in and an 8 Ω speaker is included. A charging and protection circuit allows direct operation on a 3.7 V lithium cell; alternatively, a USB-C port is available for power supply. A MicroSD card slot provides storage for images, audio, or log data. A JST-SH-14-pin header allows for the use of UART, I2C, and additional GPIO pins for external sensors. FPC connectors (14-pin and 18-pin) connect the displays and allow for a compact design. Optionally, an IPEX connector for an external antenna can be retrofitted. With its two displays, audio support, wireless communication, and battery operation, the board is suitable for HMI prototypes, robots with animated eyes, and IoT displays. The delivery includes the board, an SH1.0-14-pin cable, an FFC-18-pin cable, and the speaker.

Recommended Accessories:

• LiPo Battery  JST 1.25
• MicroSD Card

Features:

• Dual-display with two 1.28-inch IPS screens and 240×240 pixels for animated graphics.
• Processor ESP32-S3 dual-core with 240 MHz, 16 MB Flash, and 8 MB PSRAM.
• Connectivity through Wi-Fi 802.11 b/g/n and Bluetooth LE.
• Audio via ES8311 codec and ES7210 ADC for speaker and microphone operation.
• MicroSD slot for local data storage.
• SH1.0 14-pin header with UART, I2C, and additional GPIOs.
• Power supply via 3.7 V Li-Ion battery or USB-C port with charging and protection circuit.
• Optional IPEX connector for external Wi-Fi/Bluetooth antennas.

Application Examples:

• In robot projects, the two displays serve as animated eyes for interactive interactions.
• As a portable display module, the board visualizes sensor data and outputs audio feedback.
• In IoT displays, messages or graphics are transmitted and displayed via Wi-Fi.
• For mobile devices, the battery option enables independent operation with local data storage.
• In DIY projects with sound, the integrated speaker provides acoustic feedback.

Documentation:

• Waveshare Wiki

Board Overview:

1. ESP32-S3R8: Dual-core processor, up to 240 MHz clock frequency.
2. 16 MB Flash: Integrated storage for programs and data.
3. Battery management chip: Automatic charging and protection for Li-Ion batteries.
4. Amplifier chip: For amplifying audio output signals.
5. ES8311: Audio codec chip for speakers.
6. ES7210: Microphone audio codec chip.
7. Microphone: Built-in microphone module.
8. MP1605GTF-Z: Power module with up to 3.3 V / 2 A output.
9. Ceramic antenna: Integrated onboard antenna.
10. IPEX1 connector: For connecting an external antenna, activated by resoldering an onboard resistor.
11. BOOT button: For booting in boot mode.
12. GPIO1 function selection resistor: Default for battery voltage measurement; when resoldered, three-display function via FPC connector is possible.
13. Battery connector: MX1.25 2-pin socket for 3.7 V lithium battery, supports charging and discharging.
14. Charging indicator: Lights when charging, off when battery is full, status unclear without battery.
15. Speaker connection: SH1.0 14-pin header.
16. 18-pin FPC connector: For three-display function by resoldering and software adjustment; when board is split, connection with second FPC possible.
17. Note: When the board is split and FPC connection is made, the RESET button is not available.
18. 18-pin FPC socket: For connecting to the host board.
19. TF card mode selection: In SPI mode, external control of the TF card is possible.
20. TF card slot: Supports high-capacity TF cards.
21. RESET button: To reset the system.
22. SH1.0 14-pin cable connection: For SPI control of TF card and LCD when the board is split.
23. Type-C connector: USB-C port for power supply, programming, and data transmission.

Technical Specifications:

• Manufacturer: Waveshare
• Manufacturer SKU: 33267
• Microcontroller: ESP32-S3, Dual-Core LX7, up to 240 MHz
• Flash Memory: 16 MB
• PSRAM: 8 MB
• SRAM/ROM: 512 KB SRAM, 384 KB ROM
• Displays: 2 × 1.28-inch IPS, 240 × 240, 65,000 colors, SPI interface
• Audio: ES8311 codec, ES7210 ADC, integrated microphone, 8 Ω speaker
• Wireless: Wi-Fi 2.4 GHz (802.11 b/g/n), Bluetooth 5 LE
• Memory cards: MicroSD slot (TF)
• I/O Connections: SH1.0 14-pin header (UART, I2C, GPIO), FPC-14-pin connector, FPC-18-pin connector
• Antenna connector: IPEX (optional)
• Power supply: 3.7 V Li-Ion battery with charging/protection circuit or USB-C 5 V
• Internal sensor: none
• Dimensions: 93.5 x 36.5 x 14mm
• Weight: 48 g

Package Contents:

• 1x ESP32-S3 DualEye LCD-1.28 Board
• 1x SH1.0 14-Pin Cable
• 1x FFC 18-Pin Cable
• 1x Speaker (8 Ω 2 W)