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M5Stack CoreS3 SE ESP32-S3 Xtensa LX7 Smart Touch Controller 2 Inch IPS High Performance WIFI IoT Development Module
The M5Stack CoreS3 SE ESP32-S3 Xtensa LX7 Smart Touch Controller 2 Inch IPS High Performance WIFI IoT Development Module by M5Stack is a premium product designed for everyday users.
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Type: K128-SE
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About This Product
The M5Stack CoreS3 SE ESP32-S3 Xtensa LX7 Smart Touch Controller 2 Inch IPS High Performance WIFI IoT Development Module by M5Stack is a premium designed for everyday users. It delivers reliable performance at an accessible price.
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Specification:
Brand: M5Stack
Model: K128
Product Name: CoreS3 SE ESP32-S3 Smart Touch Controller
SoC: ESP32-S3 @ Xtensa LX7, Wi‑Fi, USB‑OTG function
Flash: 16MB Flash
PSRAM: 8MB PSRAM
Display: 2.0" IPS LCD, 320 × 240, ILI9342C, SPI interface
Touch Panel: FT6336U capacitive touch, touch area 320 × 280 px
Wi‑Fi: 2.4GHz 802.11 b/g/n
Speaker: 1W @ 9028, built‑in
Audio: 16‑bit I2S amplifier AW88298, ES7210 audio decoding chip, dual‑microphone input
Power Management IC: AXP2101
RTC: BM8563
BUS Pins: G0/G1/G2/G5/G6/G7/G8/G9/G10/G11/G12/G13/G14/G17/G18/G35/G36/G37/G43/G44
Lithium Battery Charging Current: 5V / 198mA
Grove Output Max Current (1200mAh battery): DC 4.2V / 940mA
Grove Output Max Current (USB powered): DC 5V / 680mA
Operating Temperature: 0 – 40°C
Power Consumption:
Battery powered: Standby DC 4.2V / 104.64µA, Operating DC 4.2V / 109.67mA
USB powered: Operating DC 5V / 166.27mA
Product Size: 54.0 × 54.0 × 15.5mm
Product Weight: 38.2g
Package Size: 133.0 × 93.5 × 25.5mm
Package Weight: 54.5g
Introduction:
CoreS3-SE is a lightweight version of the third-generation CoreS3 host in the M5Stack development kit series. Its main controller adopts the ESP32-S3 solution, with a dual-core Xtensa LX7 processor, running at 240 MHz, featuring built-in (2.4G) Wi-Fi, onboard 16MB Flash and 8MB PSRAM. Programs can be downloaded via the USB Type-C interface, supporting OTG and CDC functionality for convenient connection of USB devices and firmware flashing. The front is equipped with a 2.0-inch capacitive touch IPS screen with a high-strength glass panel.
The power supply section uses an AXP2101 power management chip along with 4-way power flow control circuits, with an overall low-power design.
Onboard microSD card slot. Onboard BM8563 RTC chip provides accurate timing and sleep-timer wake-up functionality.
Audio output uses a high-fidelity 16-bit I2S amplifier chip AW88298, with a built-in 1W speaker. Audio input uses the ES7210 audio decoder chip + dual microphone inputs.
Independent power button and reset (RST) button are located on the side of the device. With a built-in delay circuit, holding the reset button enters download mode.
This product is suitable for IoT development, various DIY project development, smart home control systems, and industrial automation control systems.
Features:
1. Compact 2.0" capacitive touch LCD: Clear 320 × 240 IPS screen with touch support for intuitive operation in a small 54 × 54mm body.
2. High‑performance ESP32‑S3 controller: Dual‑core Xtensa LX7 with 16MB Flash and 8MB PSRAM, suitable for IoT control, HMI, and edge applications.
3. Built‑in Wi‑Fi and USB‑C OTG: 2.4GHz Wi‑Fi (802.11 b/g/n) and USB‑C for programming, data transfer and USB‑OTG expansion.
4. Rich audio system: Integrated 1W speaker, dual microphones, 16‑bit I2S amplifier and audio decoding chip for voice interaction and audio playback.
5. Real‑time clock & power management: Onboard BM8563 RTC and AXP2101 PMU for timekeeping, battery charging and stable power control.
6. Expandable interface design: Grove/BUS pins and microSD card slot (shown in images) for sensor connection, data logging and project expansion.
Package Includes:
1 x M5Stack K128 CoreS3 SE ESP32-S3 Smart Touch Controller
