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USB Micro to USB Tiny OTG Adapter
Automatic Power-Fail detect and switch circuitry
APE (APE only support for FAST encoded format)
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Select "Generic ESP8266 Module" or "NodeMCU 1
Lithium Polymer Battery 3.7V 2000mAh - JST-PH Pouch spi display USB Micro to USB Tiny3. 7V Lithium Ion Battery 2000mAh The Lithium Ion Battery 3. 7V 2000mAh is a rechargeable lithium cell with a JST connector, designed for portable electronics, wearables, IoT devices, and maker projects. Pair it with a LiPo charger like the TP4056 or Adafruit Micro Lipo. Safety: Lithium batteries can be dangerous if punctured, short circuited, or overcharged. Always use a proper LiPo charger with protection circuitry. 3. 7V battery size guide Capacity
