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WEMOS D1 Mini Pro 4M 16M Bytes External Antenna Connector NodeMCU Based ESP8266 ESP-8266EX CP2102 WIFI Development Board Micro - AliExpress
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Breadboard prototype for a tiny weather station – Si7021 sensor, ESP8266 Wemos D1 mini microcontroller board, Nokia 5510 84*48 LCD – thesolaruniverse
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