Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Processor	ESP32-S3 Dual-Core Xtensa LX7 MCU
Display Type	1.54 inch E-Ink (Electronic Paper)
Display Resolution	200 x 200 pixels
Connectivity	Wi-Fi 2.4GHz and Bluetooth 5.0 (LE)
Voice Interface	Onboard I2S microphone and speaker interface
Memory	8MB PSRAM and 8MB Flash
Programming Support	Arduino IDE, ESP-IDF, MicroPython, CircuitPython
Power Supply	USB Type-C or 3.7V Li-Po Battery
Dimensions	68mm x 54mm x 12mm
Operating Temperature	-40°C to +85°C

6 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect for low-power IoT projects

The E-Ink display is crisp and the power consumption is incredibly low. Setting up the voice interaction was straightforward with the provided examples. Highly recommended for battery-operated sensors.

Anonymous

Mar 27, 2026

Rating: 5/5

Excellent integration of features

Having Wi-Fi, Bluetooth, and an E-Ink screen on one board saves so much prototyping time. The ESP32-S3 chip handles the graphics refresh smoothly without lag.

Anonymous

Mar 20, 2026

Rating: 4/5

Solid performance for home dashboard

Built a weather station using this board. The display is readable in direct sunlight which is a huge plus. Only minor issue is the speaker output volume is a bit quiet, but acceptable for close range.

Anonymous

Mar 16, 2026

Rating: 5/5

Best learning tool for AIoT

I used this for my university final year project. The ability to process voice commands locally and display results on the e-paper screen impressed my professors. Very easy to code in Arduino.

Anonymous

Mar 12, 2026

Rating: 4/5

Great board, documentation could be better

Hardware quality is excellent and the Wi-Fi connection is stable. However, some of the advanced voice library examples were a bit hard to find. Once configured, it works like a charm.

Anonymous

Mar 09, 2026

Rating: 5/5

Robust and reliable

Been running this board for three weeks straight on a small battery pack. The deep sleep modes work perfectly with the E-Ink retaining the last image. Waveshare did a great job here.

5 FAQ

Q: Can I connect a larger external E-Ink display to this board?

A: Absolutely. The board exposes the necessary SPI and GPIO pins to drive larger external E-Ink modules if the onboard 1.54" screen is not sufficient for your project.

Q: Is the microphone sensitive enough for voice recognition across a room?

A: The onboard microphone is optimized for near-field voice interaction (within 1-2 meters). For whole-room coverage, we recommend connecting an external high-gain microphone module.

Q: Does this board support MicroPython out of the box?

A: Yes, the ESP32-S3 chip fully supports MicroPython. You will need to flash the firmware via USB, but the hardware is completely compatible.

Q: What is the maximum capacity of the SD card supported?

A: The board supports microSD cards up to 32GB officially, though many users have reported success with 64GB cards formatted in FAT32.

Q: Does the package include a battery connector cable?

A: Yes, the standard package includes a JST-PH 2.0mm connector cable for connecting a 3.7V Li-Po battery, along with the USB Type-C cable.

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