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Pros & Cons
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Compatibility With Arduino
Customers have generally positive feedback regarding the compatibility of this development board with Arduino. Many users have successfully used it for various projects including home automation and LED lighting. However, some purchasers encountered issues with programming the board through the onboard USB port or the 5V pin, requiring additional research and troubleshooting.
Wifi Connectivity
Customers have had varying experiences with the board's wifi connectivity. While some report strong signals and reliable connections, others have encountered issues with brownouts during WiFi usage, rendering the boards unreliable for their intended applications.

Highlights
Quality
I have a single wireless access point pointing out of a window, and every one of these is picking up a good signal with the bui... Read More
Small size and pins marked well, no issues.
Problem is there is such poor documentation on this d1 clone that any troubleshooting turns into an hour long research mission.
One example, its advertised as a 5v board, but 5v is only possible through usb, not through vcc, which was not clear until i co... Read More
Shipping
Product showed up quickly and on time.
Packaging/appearance
As i mentioned in the title, i ordered the 5 pack and they all worked when tested.
Competitiveness
I like these better than those i had been getting from an alternate supplier.
The board seems better built than the others i've bought.
Overview
- How are reviewers describing this item?
same, small, through and port. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 11.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 134 reviews as of our last analysis date on Mar 15 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
The usbc connection is nice given modern computers may only have that port
Posted by a reviewer on Amazon
They do seem to take a surge of power while uploadingresetting after upload
Posted by a reviewer on Amazon
But i got that all worked out
Posted by a reviewer on Amazon
These boards are small fullfeatured and cheap
Posted by a reviewer on Amazon
Problem is there is such poor documentation on this d1 clone that any troubleshooting turns into an hour long research mission
Posted by a reviewer on Amazon
One example its advertised as a 5v board but 5v is only possible through usb not through vcc which was not clear until i couldnt power it with 5v at the vcc pin
Posted by a reviewer on Amazon
For my use case of controlling 5v lightstrips with wled i couldnt use this board without a buck converter or regulator
Posted by a reviewer on Amazon
Adding other components really detracts from the 34small34 value prop
Review Count History
Price History
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