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this product stands out through details such as 4mm
a chip setup we've had tons of experience with as it's the same as the Flora
Tail end is bare tin
Why makers choose this board
We designed a USB bootloader so you can plug it into any computer and reprogram it over a USB port just like an Arduino (it uses 2 of the 5 I/O pins
SparkFun Lithium Ion Battery 400mAh - Compact 3.7V Cell 2a this product stands out through3. 7V Lithium Ion Battery 400mAh The Lithium Ion Battery 3. 7V 400mAh 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
