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The WeMos D1 mini V2 is minimal ESP8266 wifi board. Flash 4M bytes. D1 IO, SCL GPIO5. WeMos D1 mini V2 x 1pcs. Use BRT (Bias Resistor Transistor), easier into flash mode. 30% increase in radiating area, more stable.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.