Review of HiLetgo® ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Core Microcontroller Processor.





After ordering my package from it arrived 3 business days later. It maybe different from where you purchase the item.
I opened the package to reveal that the condition was excellent.


Well packed with foam padding to protect the pins.

Inside of a sealed Anti-static bag.




The listing on indicated that it was a NodeMCU board one of the advantages of using this is that it is well supported. Lots of documentation, circuit diagrams, pinouts etc.

It is mentioned in the listing
Please Kindly Note:
This board has no pin labeling on the top side.


Breadboard friendly: Yes when placed on a prototype board it leaves one pin free on either side of the dev board, however, there is no pin labeling on the top of the board which is mentioned in the sellers description.

close examination of the board revealed no errors and is a clean board.

USB to UART chip used:
Silicon Labs CP2102

LiPo Battery support: no


Installing the ESP32 core
instructions can be found here

Installing drivers

CP210x USB to UART Bridge VCP Drivers

instructions for installing Silicon Labs CP210x driver


Uploading of test program of blink revealed that the on board LED or LED_BUILTIN is using pin 2.

Where to buy?

Amazon Website


NodeMCU github




This board is of a design from NodeMCU which makes it easy to interface with other devices such as sensors. Well supported documentation.