GRANDE ESP32 Monster board

Name: GRANDE ESP32 Monster board
SKU: 10080
Price: 30.00 USD
Availability: Discontinued
Rating: 4.00 (1 reviews)

(1 Review)

THIS ITEM is OUT OF PRODUCTION. NO Wired Ethernet and CAN related item anymore.

Designed by microwavemont in Japan

Product Retired

This product is no longer available for sale.

The seller may be offering an improved version or it may be hanging out on the beach, enjoying the retired life.

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

THIS ITEM is OUT OF PRODUCTION. NO Wired Ethernet and CAN related item anymore.

This item is now "end of production" No reproduction will be made but listed just for reference Wonderful better board is made by Olimex with CAN/Ether and more Please take a look at this great one. …

What is it?

Revised version of ESP32 Monster board The circuit is almost the same as the original one but I added "Lipo charger enagle/disable jumper". By this jumper, this board works for both Lipo battery power operation (and recharging by USB bus power) and pure USB bus power mode.

Circuitry is same as the previous one. Please refer the original board information.

Why did you make it?

For the original one, I got both positive and negative comments. Mostly the negative ones are related to parts arrangement flavor. Especially the backside mount of ESP32 module are rejected by some (I guess not rare comments) viewer and actual user. Also the original one was too small to put hole for fixing. In addition, the original one works only for battery connected mode. This board fixed these points.

What makes it special?

Everything on the top. ESP32 module and all parts are mounted on the top.
We can choose battery powered mode and USB bus powered mode by jumper

Important note for silk print on the board

The silk print about jumper setting is "upside-down". The correct setting is shown in the attached picture. Please never select by reading the on-board silk printing.

This item is now "end of production" No reproduction will be made but listed just for reference

Review Breakdown

Average Ratings

Product: (4.00)

Documentation: (4.00)

Shipping: (5.00)

Communication: (3.00)

Heinrich Josef | Nov. 12, 2017

Example or docs of the CAN Bus missing

Altogether this is a high end esp32 dev environment.
I am very happy to have this board. One important thing for me is: everything on one side, wired LAN, a small display AND the power switch.
As a goodie I wanted to play with the CAN bus (probably for tasks at my workplace) but I am not getting the rare examples on the net to work with this board (played with a lot of examples, pin numbers, termination, and switching high/low cables).
I also have the OLIMEX ESP32-EVB board and there the CAN bus works out of the box. The RX pin of these two boards are different, but the rest, concerning the CAN bus, should be the same.
Could you provide your working proof of concept codes during developing this board - Arduino IDE style or esp-idf style - Arduino style would be nice for comparison reasons...?
This would be awesome :D
Thanks a lot for your good work!