Arduino Uno with Wifi
Arduino Nano with WiFi

Arduino microcontrollers by popularity by descending sales from www.aliexpress.com

PopularityDescriptionCost US $
1Arduino Nano V3. Separate headers. 2 x 15 pins package size.2.15
2ESP8266 Wifi compatible with Arduino Nano. 2 x 15 pins package size.3.78
3Arduino Uno R3 compatible (first Arduino design)3.24
4Arduino Mega 2560 compatible7.29
5Arduino Mini 328 compatible. 2 x 12 + 6 pin package size. Separate headers.1.63
6Wemos D1 Wifi Arduino Uno compatible3.58
7Arduino Micro compatible. 2 x 12 pin package. Micro usb connector2.91
8Arduino Leonardo compatible. (Simpler version of Uno) Micro USB connector4.40
9Arduino Due R3 compatible ARM 54 input output pins14.15
10Arduino Yun compatible. Linux, Ethernet, WiFi, microSD storage.56.05
11Arduino Yun as a communications shield with Linux, Ethernet, Wifi and microSD storage. This works with Arduino Uno / Leonardo / Mega.27.75

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