Baoblaze DIY LM3914 power indicator 3.6v-18v battery 4.2v lithium battery power level led indicator display panel Red

Price: £4.79

As of 2021-09-19 17:21:53 UTC (more info)

Product prices and availability are accurate as of 2021-09-19 17:21:53 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.co.uk/ at the time of purchase will apply to the purchase of this product.

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Product Description

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Product Features

This is a DIY kits,need buyer to assemble it. Power display is to take some voltage, perform simulations show the percentage of segments, such as 3.7V lithium battery, take the lower voltage 3V, the upper limit of 4.2V, 4.2-3 = 1.2V, the voltage difference between the lower limit of 1.2V, is the battery Analog power up. LM3914 can accurately detect an analog voltage, 10 LED display, either Multi-light bar display or a single light dot display. 10 LED Displays the battery voltage,bar display full brightness 42mA, single light shows 4mA. 1 Piece modules,6 Pieces accessories

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