LM3914 3.7V 18650 Battery Capacity Indicator LED Display Module Red/Geen/Blue
ab 3,74 €
A single pin changes the display from a moving dot to a bar graph. OLED LED&RGB. Nano Sheild. For example: Single lithium 3.7V, 3V for the low end of the power, 4.2V for full high-end. A / P: full-bright linear / single-dot matrix mode switch, the default is linear mode, the board reserved for the switching pad, with solder on the pad can be turned into full-bright linear mode, no welding is Point-like single-lamp display.
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