Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP32-WROOM-32
Wireless Connectivity	WiFi 802.11 b/g/n, Bluetooth 4.2
Display Interface	SPI
Supported Displays	2.13/2.9/4.2/7.5 inch E-Paper
Operating Voltage	3.3V
Input Power	5V via Micro USB
Flash Memory	4MB
SRAM	520KB
Programming Support	Arduino IDE, MicroPython, ESP-IDF
Board Dimensions	65mm x 30mm

5 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect for IoT Projects

Works flawlessly with my 2.9 inch e-paper display. WiFi setup was easy and the board is compact.

Anonymous

Mar 23, 2026

Rating: 3/5

Pinout confusion

Some pins are not standard Arduino mapping. Check the wiki before starting to avoid issues.

Anonymous

Feb 13, 2026

Rating: 4/5

Good board, docs could be better

Hardware is solid. Had to dig around for the right Arduino library examples but got it working.

Anonymous

Jan 26, 2026

Rating: 5/5

Low power consumption

Deep sleep mode works great for battery powered projects. Highly recommend for remote sensors.

Anonymous

Jan 17, 2026

Rating: 5/5

Excellent value

Combines ESP32 and e-paper driver in one package. Saves a lot of wiring and space on my desk.

5 FAQ

Q: What is the logic level voltage?

A: The GPIO logic level is 3.3V. Do not connect 5V sensors directly without level shifting.

Q: Does it come with an antenna?

A: Yes, an onboard PCB antenna is included for WiFi and Bluetooth communication.

Q: Can I power this with a battery?

A: Yes, you can connect a Li-Po battery to the PH2.0 interface for portable use.

Q: Does this support 7.5 inch e-paper displays?

A: Yes, it supports various sizes including 2.13, 2.9, 4.2, and 7.5 inch panels.

Q: Is it compatible with MicroPython?

A: Absolutely. You can flash MicroPython firmware using esptool.py.

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