Description
Reviews
| 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 |
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.
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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