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Can i power this 'nodemcu esp8266 v3' using 7.4v or 8v power source in its microusb. actually i have two li-ion battery(3.7v) so , i am going to connect this battery in
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Amazon.com: 2pcs for WeMos D1 ESP8266 Mini WiFi Module ESP WROOM 02 Motherboard with 18650 Battery Slot Compatible with NodeMCU : Electronics
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