Both generations use ESP-12 chips with 4MB flash but the 2nd generation uses the newer and enhanced ESP-12 E. Comparison of NodeMCU development boardsġst and 2nd generation boards are easy to tell apart because their size is quite different. There currently are three primary producers: Amica (see ‘ NodeMCU and Amica‘ below), DOIT/SmartArduino, and LoLin/WeMos. What further contributes to the naming jungle is precisely the fact that the hardware is open-source and anyone can produce and market NoduMCU development boards. A while a ago I started noticing this one product marketed as V3 even though it looks like a regular V2 board to me. What I put in the 3rd column is just my observation of products in (Chinese) online shops such as Banggood and AliExpress. It’s unfortunate that there’s a mixup of version and generation names. Comparison of NodeMCU development boards.Since this article has become quite long, and to give you an idea what to expect, I decided to put a TOC here: Update : if you found here because you’re actually interested in ESP32 devkits look no further! The amazing ThingPulse ePulse from yours truly consumes only 25μA in deep sleep. The comparison can be confusing not because there are many different boards (there’s only 3) but because there are several names for the same thing. A comparison of ESP8266 NodeMCU development boards must inevitably also compare the ESP8266 chips used on those boards.
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