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Recommended memory settings in ESP8266 Arduino Core SDK v3.0.0 · Issue #201 · mobizt/Firebase-ESP8266 · GitHub
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Amazon.com: NodeMCU ESP8266 Development Board with 0.96 Inch OLED Display, CH340 Driver, ESP-12E WiFi Wireless Module, and Micro USB Works Great for Arduino IDE/Micropython Programming (Pin Header Soldered) : Electronics
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