ESP32-S2-HMI-DevKit-1 development kit ships with 4.3-inch touch display, 1,950mA battery

Espressif Systems ESP32-S2 single-core WiFi processor features an RGB LCD interface that makes it suitable for multimedia applications, and about two years ago, ESP32-S2-Kaluga-1 Multimedia Development Board was introduced with a touchscreen display & a camera.

But now the company has launched another ESP32-S2 based development kit specifically designed for HMI (human-machine interfaces) found in smart home automation controllers, smart speakers with display, smart alarm clocks, and so on. Meet ESP32-S2-HMI-DevKit-1 equipped with a 4.3-inch color LCD display and a touch panel.


ESP32-S2-HMI-DevKit-1 specifications:

  • Wireless module – ESP32-S2-WROVER module with ESP32-S2 Xtensa single-core 32-bit LX7 microprocessor, up to 240 MHz with 128 KB ROM, 320 KB SRAM, WiFi 4 connectivity, 4MB flash, 2MB PSRAM
  • Storage – Micro SD card slot
  • Display – 4.3-inch display with 800×480 resolution, I2C capacitive touch panel
  • Audio – Audio amplifier, built-in microphone, speaker connector
  • USB – 1x USB-C OTG (DFU/CDC) port, 1x USB-C debug port
  • Expansion – SPI header, TWAI (2-wire automotive interface)/CAN header, I2C header, UART/Prog header
  • Sensors – 3-axis accelerometer, 3-axis gyroscope, ambient light sensor, temperature and humidity sensor
  • Misc – Programmable RGB LED lights, wake up and reset buttons, IR transmitter
  • Power Supply – 5V and 3.3V power headers
  • Battery – 1,950 mAh Li-ion battery

ESP32-S2 HMI Devkit specificationsThe development kit is programmable with ESP-IDF framework at this time, and you’ll need a Windows, Mac OS or Linux PC for development (Linux recommended), one or two USB Type-C cables, a 2W/8Ohm speaker, and a MicroSD card as some code sample will require mass storage. Documentation is provided on Github in Chinese, but Rudi32 also submitted English translations of some of the documents.

ESP32-S2-HMI-DevKit-1 overview & demo

ESP32-S2-HMI-DevKit-1 appears to be available now, but only in limited quantities, and the company asks interested parties to contact sales.

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