ESP32 Monster board, Ether, CAN, OLED all in one

Name: ESP32 Monster board, Ether, CAN, OLED all in one
SKU: 9551
Price: 29.00 USD
Availability: Discontinued
Rating: 3.25 (1 reviews)

(1 Review)

ESP32 monster board with Ether (LAN8720A), CAN bus (SN65HVD232DR), OLED (SH1106), Lipo-charger and FTDI(rev1), CP2102(rev2) interface

Designed by microwavemont in Japan

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ESP32 Monster board, Ether, CAN, OLED all in one 1

ESP32 Monster board, Ether, CAN, OLED all in one 2

ESP32 Monster board, Ether, CAN, OLED all in one 3

ESP32 Monster board, Ether, CAN, OLED all in one 4

ESP32 Monster board, Ether, CAN, OLED all in one 5

ESP32 Monster board, Ether, CAN, OLED all in one 6

ESP32 Monster board, Ether, CAN, OLED all in one 7

ESP32 Monster board, Ether, CAN, OLED all in one 8

ESP32 Monster board, Ether, CAN, OLED all in one 9

ESP32 Monster board, Ether, CAN, OLED all in one 10

2017-04-30T01:06:26.607Z-main_part_schepic.png

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On Dec. 15, 2025, my tindie store "micowavemont" trying restarting! Stay tuned!

ESP32 monster board with Ether (LAN8720A), CAN bus (SN65HVD232DR), OLED (SH1106), Lipo-charger and FTDI(rev1), CP2102(rev2) interface

This board is taken over by new "GRANDE" version. Please refer New version WHAT'S NEW in Rev 2.0? USB interface IC is changed from FTDI FT231XS to Silicon Labs. CP2102. The handling is exactly the sa…

What is it?

ESP32 monster board with Ether(LAN8720A), CAN bus(SN65HVD232DR), OLED(SH1106), Lipo-charger and FTDI interface (FTDI is changed to Silicon Labs CP2102 by Rev 2.0)

Why did you make it?

ESP32 is really capable MCU not limited to simple WiFi application. I've just tried to explore its potential.

What makes it special?

100BASE-TX Ethernet (Microchip LAN8720A)
CAN-bus transceiver (SN65HVD232DR) on-board
1.3 inch OLED (SH1106) on-board
FTDI programming interface on-board (Rev.2 has CP2102)
LiPo charger on-board

Note for use

Please prepare single cell LiPo battery (3.7V), which is NOT included. LiPo is a member for operation, and not optional one. Even not the case of standalone (PC-connected operation), please connect LiPo battery to this board for operation. Any capacity is acceptable but larger one leads to longer standalone operation.
Ether and CAN programming requires ESP-IDF environment and still not by Arduino IDE. Utilizing full function requires some good experience of ESP32 (not proper for real beginner).

Review Breakdown

Average Ratings

Product: (2.00)

Documentation: (3.00)

Shipping: (5.00)

Communication: (3.00)

Mark | July 3, 2017

Nice product, but ..

The ESP32 Monster board is pretty nice and has a lot of features, but.... First, the device requires a 3.7V battery to operate. I can't use one of the millions of 5V micro USB power supplies that I have. So, the entry to using the device is having to buy a 3.7V batter and charger. Just searching Amazon for a 3.7v power supply doesn't yield much in the way of these types of power supplies with the required connector. The product really needs either to be powered by a 5V micro-USB connector or barrel connector. I don't like the layout of the PCB with the ESP32 on the bottom of the board. Increase the PCB to place the ESP32 on the top with the other components. Third, there are no mounting holes to place stand-offs or stack it with other devices. Not having any mounting holes and the ESP32 on the board means resting the board/ESP32 against the surface which isn't ideal.

Response from microwavemont | July 5, 2017

Thank you for review!
YES, right. Indeed ESP32 Monster board rapidly evolved from tiny prototyping board (original is ESP32 dev board with OLED, which has just OLED and Lipo circuit, that's all) to the current full featured state. During this evolution, the mounting hole was not, actually, taken into consideration, but as pointed out, for stable and continuous usage, supporting stand is indispensable. Also the power issue (works with Lipo) and ESP32 module arrangement are due to its original design. My very recent series (mainly audio DAC related items) gained the solution (enable/disable Lipo circuit, which enables to use board just by USB bus power) and I need to include this improvement also for ESP32 Monster board.

But I am very happy to see your satisfaction of basic concept of ESP32 Monster board, except for ESP32 module arrangement flavor and mounting hole, and power supply preference.

Thank you for very precious comment!