SKU:WSAL32373

ESP32-S3 High-Performance Development Board With 3.49inch IPS Capacitive Touch Display, 172 × 640 Resolution, Integrated With ESP32-S3R8 Dual-core Processor

ESP32-S3 3.49inch Touch LCD development board

QSPI Display, Audio Input/Output, Supports AI interaction and offline voice control

Version Options

ESP32-S3-Touch-LCD-3.49Case A version, comes with a 18650 Lithium battery(can be installed inside the case)

ESP32-S3-Touch-LCD-3.49-ENCase A version, without battery

ESP32-S3-Touch-LCD-3.49BCase B version, comes with a 3.7V Lithium polymer battery(can be installed inside the case)

ESP32-S3-Touch-LCD-3.49B-ENCase B version, without battery

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

TheESP32-S3-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, echo cancellation circuit, and so on, which makes it easy for you to develop and integrate into the products quickly.

• Equipped with ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency
• Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna
• Built-in 512KB of SRAM and 384KB ROM, with onboard 8MB PSRAM and an external 16MB Flash memory
• Onboard 3.49inch IPS capacitive touch display for clear color picture display, 172 × 640 resolution, 16.7M color
• Equipped with dual microphone array with noise reduction and echo cancellation circuit, suitable for accurate speech recognition and near/far-field wake-up
• Built-in AXS15231B LCD & touch controller, using QSPI and I2C interfaces for communication respectively
• 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 functionality
• Onboard PWR and BOOT programmable buttons for easy custom function development
• Onboard 3.7V MX1.25 Lithium battery recharge/discharge header or 18650 Lithium battery holder
• Onboard TF card slot for extended storage and fast data transfer, suitable for applications such as data recording and media playback, simplifying circuit design
• Reserved 22PIN 2.54mm pitch through-hole pads for easy connection to external modules or functional expansion, enhancing development flexibility.

Onboard audio codec

Supports high-quality audio processing, providing clear and high-quality audio input and output

Supports AI Speech Interaction

Allows access to online large model platforms such as DeepSeek, Doubao, etc.

IPS Display Panel

Excellent display performance, 16.7M color, wide viewing angle

Capacitive touch

Suitable for various smart device development, enabling human-machine interaction

Two Case options

for reference only, please refer to the package content for detailed part list.

Supports ESP-IDF, Arduino IDE

Comprehensive SDK, Dev Resources, Tutorials To Help You Easily Get Started

Wi-Fi and BLE 5 support

ESP32-S3 integrates 2.4 GHz Wi-Fi (802.11 b/g/n) with 40 MHz of bandwidth support, Its Bluetooth Low Energy subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh

What's On Board

1. ESP32-S3R8Wi-Fi and Bluetooth SoC, up to 240MHz operating frequency, with onboard 8MB PSRAM
2. Onboard antennasupports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)
3. TCA9554PWR8-bit I2C GPIO expansion chip
4. W25Q128JVSI16MB Flash memory
5. ES8311 DAC audio encoding chiphigh-performance, low-power audio DAC
6. ES7210 ADC audio decoding chiphigh-performance, low-power audio ADC, supports multiple microphone inputs
7. QMI86583-axis gyroscope and 3-axis accelerometer, suitable for applications such as attitude sensing and motion recognition
8. Dual microphone array designdual microphone, supports more advanced voice interaction functions

9. TF card slotsupports FAT32-formatted TF card for data expansion
10. RESET button (back side)press the BOOT, then click the RESET button to enter download mode
11. PWR power button (back side)Enables power control via software configuration when using Lithium battery for power supply
12. BOOT button (back side)press the BOOT, then click the RESET button to enter download mode
13. MX1.25 2PIN speaker header (back side)audio signal output, for connecting external speaker
14. IPEX1 connectorfor connecting external antenna, enabled via resoldering an onboard resistor
15. 22PIN 2.54mm pitch through-hole padsfor connecting external modules and enabling functional expansion
16. Type-C portfor program burning and log printing
17. PCF85063RTC clock chip, supports time retention

outline dimensions

ESP32-S3-Touch-LCD-3.49

ESP32-S3-Touch-LCD-3.49B

Resources & Services

Wiki:www.waveshare.com/wiki/ESP32-S3-Touch-LCD-3.49

ESP32 LCD Selection

Model	Core Configuration			display				onboard resources						Peripheral interfaces
	CPU	PSRAM	Flash	pixels	Interface	Display	Touch	IMU	RTC	TF	Speaker	mic	batteryheader
AMOLED display
ESP32-S3-Touch-AMOLED-2.41	ESP32-S3R8	8MB	16MB	600 × 450	QSPI	RM690B0	FT6336	√	√	√	-	-	√	I2C, UART, USB, 34PIN GPIO header
ESP32-S3-Touch-AMOLED-2.41-B	ESP32-S3R8	8MB	16MB	600 × 450	QSPI	RM690B0	FT6336	√	√	√	-	-	√	I2C, UART, USB, 34PIN GPIO header, with case
ESP32-C6-Touch-AMOLED-2.16	ESP32-C6	-	16MB	480 × 480	QSPI	CO5300	CST9220	√	√	√	√	√	√	I2C, UART, USB, and GPIO pads
ESP32-S3-Touch-AMOLED-2.16	ESP32-S3R8	8MB	16MB	480 × 480	QSPI	CO5300	CST9220	√	√	√	√	√	√	I2C, UART, USB, and GPIO pads
ESP32-S3-Touch-AMOLED-2.06	ESP32-S3R8	8MB	32MB	410 × 502	QSPI	CO5300	FT3168	√	√	√	√	√	√	I2C, UART, and USB reserved pads
ESP32-C6-Touch-AMOLED-2.06	ESP32-C6	-	16MB	410 × 502	QSPI	CO5300	FT3168	√	√	-	√	√	√	I2C, UART, and USB reserved pads
ESP32-S3-Touch-AMOLED-1.91	ESP32-S3R8	8MB	16MB	240 × 536	QSPI	RM67162	FT3168	√	-	√	-	-	√	40PIN header
ESP32-S3-AMOLED-1.91	ESP32-S3R8	8MB	16MB	240 × 536	QSPI	RM67162	-	√	-	√	-	-	√	40PIN header
ESP32-C6-Touch-AMOLED-1.8	ESP32-C6	-	16MB	368 × 448	QSPI	SH8601	FT3168 / FT6146	√	√	√	√	√	√	I2C, UART, USB pads
ESP32-S3-Touch-AMOLED-1.8	ESP32-S3R8	8MB	16MB	368 × 448	QSPI	SH8601	FT3168 / FT6146	√	√	√	√	√	√	I2C, UART, GPIO pads
ESP32-S3-Touch-AMOLED-1.75	ESP32-S3R8	8MB	16MB	466 × 466	QSPI	CO5300	CST9217	√	√	√	√	√	√	I2C, UART, USB, 8PIN headers (2.54mm pitch)
ESP32-S3-Touch-AMOLED-1.75-B	ESP32-S3R8	8MB	16MB	466 × 466	QSPI	CO5300	CST9217	√	√	√	√	√	√	I2C, UART, USB, 8PIN headers (2.54mm pitch)
ESP32-S3-Touch-AMOLED-1.75C	ESP32-S3R8	8MB	32MB	466 × 466	QSPI	CO5300	CST9217	√	-	-	√	√	√	I2C, UART, USB, GPIO pads
ESP32-C6-Touch-AMOLED-1.64	ESP32-C6	-	16MB	280 × 456	QSPI	CO5300	FT6146	√	-	√	-	-	√	22PIN header (2.54mm pitch)
ESP32-S3-Touch-AMOLED-1.64	ESP32-S3R8	8MB	16MB	280 × 456	QSPI	CO5300	FT3168	√	-	√	-	-	√	2 × 11PIN headers (2.54mm pitch)
ESP32-C6-Touch-AMOLED-1.43	ESP32-C6	-	16MB	466 × 466	QSPI	CO5300	FT6146	√	√	√	√	√	√	UART, I2C, 16PIN header (2.54mm pitch)
ESP32-C6-Touch-AMOLED-1.43-B	ESP32-C6	-	16MB	466 × 466	QSPI	CO5300	FT6146	√	√	√	√	√	√	UART, I2C, 16PIN header (2.54mm pitch)
ESP32-S3-Touch-AMOLED-1.43	ESP32-S3R8	8MB	16MB	466 × 466	QSPI	SH8601/C05300	FT3168/FT6146	√	√	√	-	-	√	I2C, UART, USB, 2 × 14PIN headers
ESP32-S3-Touch-AMOLED-1.43-B	ESP32-S3R8	8MB	16MB	466 × 466	QSPI	SH8601/C05300	FT3168/FT6146	√	√	√	-	-	√	I2C, UART, USB, 2 × 14PIN headers
ESP32-C6-Touch-AMOLED-1.32	ESP32-C6	-	16MB	466 × 466	QSPI	CO5300	CST820	-	-	-	√	√	√	SH1.0 12PIN header
ESP32-C6-Touch-AMOLED-1.32	ESP32-C6	-	16MB	466 × 466	QSPI	CO5300	CST820	-	-	-	√	√	√	SH1.0 12PIN header
ESP32-S3-Touch-AMOLED-1.32	ESP32-S3-PICO-1-N8R8	8MB	8MB	466 × 466	QSPI	CO5300	CST820	-	-	-	√	√	√	SH1.0 12PIN header
LCD display
ESP32-Touch-LCD-3.5	ESP32-D0WDR2-V3	2MB	16MB	320 × 480	SPI	ST7796	FT6336	-	√	√	√	√	√	32PIN GPIO header
ESP32-S3-Touch-LCD-3.5	ESP32-S3R8	8MB	16MB	320 × 480	SPI	ST7796	FT6336	√	√	√	√	√	√	32PIN GPIO header, camera interface
ESP32-S3-Touch-LCD-3.5	ESP32-S3R8	8MB	16MB	320 × 480	SPI	ST7796	FT6336	√	√	√	√	√	√	32PIN GPIO header, camera interface
ESP32-S3-Touch-LCD-3.5B	ESP32-S3R8	8MB	16MB	320 × 480	QSPI	AXS15231B	AXS15231B	√	√	√	√	√	√	32PIN GPIO header, camera interface
ESP32-S3-Touch-LCD-3.5B	ESP32-S3R8	8MB	16MB	320 × 480	QSPI	AXS15231B	AXS15231B	√	√	√	√	√	√	32PIN GPIO header, camera interface
ESP32-S3-Touch-LCD-3.49	ESP32-S3R8	8MB	16MB	172 × 640	QSPI	AXS15231B	AXS15231B	√	√	√	√	√	√	22pin 2.54mm pitch pads
ESP32-S3-Touch-LCD-3.49B	ESP32-S3R8	8MB	16MB	172 × 640	QSPI	AXS15231B	AXS15231B	√	√	√	√	√	√	22pin 2.54mm pitch pads
ESP32-S3-LCD-3.16	ESP32-S3R8	8MB	16MB	320 × 820	RGB	ST7701	-	√	√	√	-	-	√	I2C, UART, USB headers
ESP32-S3-Touch-LCD-2.8	ESP32-S3R8	8MB	16MB	240 × 320	SPI	ST7789	CST328	√	√	√	√	-	√	I2C, UART, SH1.0 12PIN header
ESP32-S3-LCD-2.8	ESP32-S3R8	8MB	16MB	240 × 320	SPI	ST7789	-	√	√	√	√	-	√	I2C, UART, SH1.0 12PIN header
ESP32-S3-Touch-LCD-2.8B	ESP32-S3R8	8MB	16MB	480 × 640	RGB	ST7701	GT911	√	√	√	-	-	√	20PIN header
ESP32-S3-LCD-2.8B	ESP32-S3R8	8MB	16MB	480 × 640	RGB	ST7701	-	√	√	√	-	-	√	20PIN header
ESP32-S3-Touch-LCD-2.8C	ESP32-S3R8	8MB	16MB	480 × 480	RGB	ST7701	GT911	√	√	√	-	-	√	I2C, UART, SH1.0 12PIN header
ESP32-S3-LCD-2.8C	ESP32-S3R8	8MB	16MB	480 × 480	RGB	ST7701	-	√	√	√	-	-	√	I2C, UART, SH1.0 12PIN header
ESP32-S3-Touch-LCD-2.1	ESP32-S3R8	8MB	16MB	480 × 480	RGB	ST7701	CST820	√	√	√	-	-	√	I2C, UART, SH1.0 12PIN header
ESP32-S3-Touch-LCD-2.1B	ESP32-S3R8	8MB	16MB	480 × 480	RGB	ST7701	CST820	√	√	√	-	-	√	I2C, UART, SH1.0 12PIN header
ESP32-S3-Touch-LCD-2	ESP32-S3R8	8MB	16MB	240 × 320	SPI	ST7789T3	CST816	√	-	√	-	-	√	28PIN header, camera interface
ESP32-S3-LCD-2	ESP32-S3R8	8MB	16MB	240 × 320	SPI	ST7789T3	-	√	-	√	-	-	√	28PIN header, camera interface
ESP32-S3-Touch-LCD-1.9	ESP32-S3R8	8MB	16MB	170 × 320	SPI	ST7789	CST816	√	-	√	-	-	√	40PIN header, compatible with Pico header
ESP32-S3-LCD-1.9	ESP32-S3R8	8MB	16MB	170 × 320	SPI	ST7789	-	√	-	√	-	-	√	40PIN header, compatible with Pico header
ESP32-C6-Touch-LCD-1.9	ESP32-C6FH8	-	8MB	170 × 320	SPI	ST7789	CST816	√	-	√	-	-	√	40PIN header, compatible with Pico header
ESP32-C6-LCD-1.9	ESP32-C6FH8	-	8MB	170 × 320	SPI	ST7789	-	√	-	√	-	-	√	40PIN header, compatible with Pico header
ESP32-S3-Touch-LCD-1.85C	ESP32-S3R8	8MB	16MB	360 × 360	QSPI	ST77916	CST816	-	√	√	√	√	√	I2C, UART, 2×14PIN header (1.27mm pitch)
ESP32-S3-Touch-LCD-1.85C-BOX	ESP32-S3R8	8MB	16MB	360 × 360	QSPI	ST77916	CST816	-	√	√	√	√	√	I2C, UART, 2×14PIN header (1.27mm pitch)
ESP32-S3-Touch-LCD-1.85	ESP32-S3R8	8MB	16MB	360 × 360	QSPI	ST77916	CST816	√	√	√	√	√	√	I2C, UART, GPIO pads
ESP32-S3-LCD-1.85	ESP32-S3R8	8MB	16MB	360 × 360	QSPI	ST77916	-	√	√	√	√	√	√	I2C, UART, GPIO pads
ESP32-S3-Touch-LCD-1.83	ESP32-S3R8	8MB	16MB	240 × 284	SPI	ST7789P	CST816D	√	√	√	√	√	√	Reserved I2C, UART, USB pads
ESP32-C6-Touch-LCD-1.83	ESP32-C6	-	16MB	240 × 284	SPI	ST7789P	CST816D	√	√	√	√	√	√	Reserved I2C, UART, USB pads
ESP32-C6-Touch-LCD-1.69	ESP32-C6	-	16MB	240 × 280	SPI	ST7789V2	CST816T	√	√	-	√	√	√	Reserved USB, I2C, UART, and GPIO pads
ESP32-C6-LCD-1.69	ESP32-C6	-	16MB	240 × 280	SPI	ST7789V2	-	√	√	-	√	√	√	Reserved USB, I2C, UART, and GPIO pads
ESP32-S3-Touch-LCD-1.69	ESP32-S3R8	8MB	16MB	240 × 280	SPI	ST7789	CST816	√	√	-	-	-	√	I2C, UART, GPIO pads
ESP32-S3-LCD-1.69	ESP32-S3R8	8MB	16MB	240 × 280	SPI	ST7789	-	√	√	-	-	-	√	SH1.0 12PIN header
ESP32-S3-LCD-1.54	ESP32-S3R8	8MB	16MB	240 × 240	SPI	ST7789	-	√	-	√	√	√	√	I2C, UART pads
ESP32-S3-Touch-LCD-1.54	ESP32-S3R8	8MB	16MB	240 × 240	SPI	ST7789	CST816	√	-	√	√	√	√	I2C, UART pads
ESP32-S3-Touch-LCD-1.47	ESP32-S3R8	8MB	16MB	172 × 320	SPI	JD9853	AXS5106L	-	-	√	-	-	√	22PIN header
ESP32-S3-LCD-1.47	ESP32-S3R8	8MB	16MB	172 × 320	SPI	ST7789	-	-	-	√	-	-	-	18PIN header
ESP32-S3-LCD-1.47B	ESP32-S3R8	8MB	16MB	172 × 320	SPI	ST7789	-	√	-	√	-	-	√	18PIN header
ESP32-C6-Touch-LCD-1.47	ESP32-C6FH8	-	8MB	172 × 320	SPI	JD9853	AXS5106L	√	-	√	-	-	√	22PIN header
ESP32-C6-LCD-1.47	ESP32-C6FH8	-	8MB	172 × 320	SPI	ST7789	-	-	-	√	-	-	-	18PIN header
ESP32-S3-Touch-LCD-1.46B	ESP32-S3R8	8MB	16MB	412 × 412	QSPI	SPD2010	SPD2010	√	√	√	√	√	√	20pin GPIO header
ESP32-S3-Touch-LCD-1.46	ESP32-S3R8	8MB	16MB	412 × 412	QSPI	SPD2010	SPD2010	√	√	√	√	√	√	20pin GPIO header
ESP32-C6-LCD-1.3	ESP32-C6FH4	-	4MB	240 × 240	SPI	ST7789	-	-	-	-	-	-	√	2.54mm 12PIN header
ESP32-C6-LCD-1.3-M	ESP32-C6FH4	-	4MB	240 × 240	SPI	ST7789	-	-	-	-	-	-	√	2.54mm 12PIN header
ESP32-S3-LCD-1.3	ESP32-S3R8	8MB	16MB	240 × 240	SPI	ST7789	-	√	-	√	-	-	√	2.54mm 16PIN header
ESP32-S3-LCD-1.3-B	ESP32-S3R8	8MB	16MB	240 × 240	SPI	ST7789	-	√	-	√	-	-	√	2.54mm 16PIN header, with case
ESP32-S3-LCD-1.3-C	ESP32-S3R8	8MB	16MB	240 × 240	SPI	ST7789	-	√	-	√	-	-	√	2.54mm 16PIN header, with case and prism cube
ESP32-S3-Touch-LCD-1.28	ESP32-S3R2	2MB	16MB	240 × 240	SPI	GC9A01A	CST816	√	-	-	-	-	√	SH1.0 12PIN header
ESP32-S3-LCD-1.28	ESP32-S3R2	2MB	16MB	240 × 240	SPI	GC9A01A	-	√	-	-	-	-	√	2 × 20PIN header (1.27mm pitch)
ESP32-C3-LCD-0.71	ESP32-C3FH4	-	4MB	160 × 160	SPI	GC9D01	-	-	-	-	-	-	√	12PIN GPIO pads
ESP32-S3-LCD-0.85	ESP32-S3	8MB	8MB	128 × 128	SPI	GC9107	-	-	-	√	√	√	√	I2C, UART pads
ESP32-C6-GEEK	ESP32-C6	-	16MB	240 × 135	SPI	ST7789P3	-	-	-	√	-	-	-	I2C, UART, GPIO
ESP32-S3-GEEK	ESP32-S3R2	2MB	16MB	240 × 135	SPI	ST7789P3	-	-	-	√	-	-	-	I2C, UART, GPIO

Lieferumfang

ESP32-S3-Touch-LCD-3.49

* the 18650 Lithium battery is optional.

1. ESP32-S3-Touch-LCD-3.49 x1
2. OPTIONAL 18650 Lithium battery x1

1

2

ESP32-S3-Touch-LCD-3.49B

* the 3.7V Lithium polymer battery is optional.

1. ESP32-S3-Touch-LCD-3.49B x1
2. OPTIONAL 3.7V Lithium polymer battery x1

1

2

• Vendor:

  WaveShare

• Tags: Brand_waveshare,  Cat_board,  Cat_communication,  Cat_display,  Cat_iot,  Cat_kit,  Compat_arduino,  Compat_esp32,  Compat_raspberry_pi,  Iface_wifi,  Platform_arduino,  Platform_esp32,  Platform_raspberry_pi,  Sub_bluetooth,  Sub_esp32_s3,  Sub_lcd_spi,  Sub_qspi,  Sub_short_range_wireless,  Topic_ai,  Use_ai_chat