ESP32-S3 1.85" Round LCD Touch Display Dev Board with Microphone and Speaker

The Waveshare ESP32-S3 1.85" Round LCD Touch Display Dev Board with Microphone and Speaker is the perfect platform for creating your own smart voice input device, and is available with or without a built-in speaker and LiPo battery (select an option before adding to your cart).

It uses an ESP32-S3 as the microcontroller, backed up by 16MB flash and 8MB PSRAM. The ESP32-S3 offers 2.4GHz WiFi and Bluetooth 5 Low Energy, with a ceramic onboard antenna, as well as an IPEX1 interface for an external antenna.

On the front is a 1.85" touchscreen LCD, with a 360x360 resolution offering 262k colours, providing a touchscreen interface for your project.

The unit is powered and programmed via USB-C, and also offers an onboard microphone, speaker output header, MicroSD slot, RTC battery interface, I2C interface, MX1.25/PicoBlade LiPo battery interface with charge circuit and indication LED, Battery power ON/OFF switch, UART header, 1.27mm GPIO interface header, RESET/BOOT buttons and volume adjustment pot.

The standard version includes a small wired external speaker. We also offer a version with a built-in 'speaker box' and LiPo battery - select an option before adding to your cart.

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Lithium Battery Shipping: Due to courier restrictions, the speaker box version of this product, including a battery, can only be shipped within the United Kingdom. With this item in your cart, your shipping options will be limited and may cost more than our usual rates. Why?

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Community Video

Features

• ESP32-S3 dual-core processor, up to 240MHz
• 16MB Flash and 8MB PSRAM
• 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (BLE)
• 1.85" round LCD touchscreen, 360×360 resolution, 262K colours
• Ceramic onboard antenna with IPEX1 connector for external antenna
• USB-C for power and programming
• Onboard microphone
• 4Ω 5W speaker output
  • Standard version includes a small wired speaker
  • Speaker version includes a speaker box and LiPo battery
• MicroSD card slot
• RTC clock chip and RTC battery header
• I2C and UART interfaces
• 1.27mm GPIO header
• MX1.25 2-pin LiPo battery header with charge circuit
  • LiPo battery included in speaker version
• Battery ON/OFF switch
• RESET and BOOT buttons
• Volume adjustment control
• Power and charge status indicators

What's onboard?

1. ESP32-S3R8
   • Dual-core, up to 240MHz
2. 16MB Flash
3. TCA9554PWR
   • GPIO expander
4. RTC chip
   • PCF85063
5. Amplifier chip
6. PCM5101 audio decoder
7. Battery recharge manager
8. MP1605GTF-Z
   • Power module, 3.3V 2A output
9. Volume knob
10. TF card slot
11. IPEX1 connector
    • Switch to an external antenna via onboard resistor re-soldering
12. Onboard ceramic antenna
13. Battery ON/OFF
14. Speaker header
15. Microphone
16. MX1.25 battery header
    • 2-pin for 3.7V Li-ion battery
    • Charge/discharge supported
17. UART header
18. Power LED
19. USB-C port
20. Charge LED
    • On when charging, off when full (status uncertain if no battery)
21. I2C header
    • Internal chip only, I2C peripherals supported
22. RTC battery header
    • For a rechargeable RTC cell
23. 1.27mm header
    • 28-pin reserved for GPIO and functions
24. RESET button
25. BOOT button

Specifications

Interface	USB-C
Controller chip	ESP32-S3
LCD type	TFT
LCD controller chip	Display: ST77916
	Touch: CST816
Onboard devices	RTC clock: PCF85063
	PCM audio decoding chip: PCM5101
	MIC
	TF
	Battery recharging manager module
Dimensions	58.0 (R) × 17.0 (H) mm 58.0 (R) × 51.1 (H) mm

Resources

• Product Wiki
• Battery Installation (for speaker box version)

Package Contents

Standard version

• 1x ESP32-S3 1.85" Round LCD Touch Display Dev Board
• 2x 100mm SH1.0 4-Pin cables
• 1x 8Ω 2W wired speaker

With Speaker Box and LiPo Battery

• 1x ESP32-S3 1.85" Round LCD Touch Display Dev Board
  • With speaker box
• 2x 100mm SH1.0 4-Pin cables
• 1x 3.7V Lithium battery