KeeYees ESP8266 ESP-12F NodeMcu Mini WLAN WiFi Development Board 4M Bytes for Arduino – Pack of 5 Review

I like these. (I have ordered many kits), they are a pleasure to learn with. They're very cheap, so don't worry if you accidentally fry them. I loaded WLED on all 5 with no problems. Works exactly as expected. I tested one on a 16x32 matrix and it works great. Buy it, fun to make projects with it.

I tested this board in various tests, from flickering to connecting to external servers via Wi-Fi. The board works very well. I tested with Arduino IDE with LOLIN (WEMOS) D1 mini (clone) and ESPino (ESP-12 module) boards. The tables work great! The output on the 3.3V pin is a stable 3.31V. There is a lot of information on the web about using these boards. Just search for ESP8266.

I was finally able to get it working with the Arduino IDE following the instructions for the latest branded Node MCU. I don't know why they can't at least include a .pdf link to supporting material for this. The description in the Revain listing does nothing to determine the correct settings in the Arduino IDE. I think it would be easy to give some support.

At first I couldn't upload anything to these boards using a Linux computer, but when I found a Windows based computer (with the same versions of the Arduino IDE) all these devices were programmed correctly. These boards are for developing Internet of Things (IoT) devices, and there are many guides available online. Their small size makes them ideal for building into small devices, allowing them to communicate via WiFi. Although documentation for them is available online, it would be nice if a…

Pinout vs Wemos d1 mini Differences between product received and listing: - Uses CH340C, not CH340G with crystal. - Another LDO voltage regulator (TX6211B) - No voltage polarity protection diode seems to be used. Loaded code for all 5 devices I received and every output pin worked, serial number worked and wifi worked. So everything works fine. The maximum supply voltage has been tested and it appears that an additional current of about 300mA can be applied to the 3.3V output. The voltage is…

Excellent handkerchiefs, analogues of WeMos D1 Mini. They can be used for many purposes, but they make excellent low-cost LED controllers. My husband flashed one with a WLED (free and open source software), soldered it directly to 50 5V LEDs and placed it in a sphere he created on his 3D printer as a gift for our grandkids. of any kind included in these boards so you really need to know what you are doing. If you are unsure, there is a link to a PDF file at the top of the product description…