KA2284 Battery Percentage Display Kit with 5 LEDs

Описание: The KA2284 is a monolithic integrated circuit designed for 5-dot LED level meter drivers with a built-in rectifying amplifier. It is suitable for AC/DC level meters such as VU meters or signal meters.

The module can be used to indicate a voltage level such as for monitoring a DC battery level or for use with AC signals to implement a VU meter for audio strength or similar applications.
The module uses the KA2284 LED Dot Level Meter Driver IC to implement a logarithmic LED dot indicator display. The display consists of 5 LEDs – 3 green, 1 yellow and 1 red which are lit in sequence as the input voltage increases.
A single-turn potentiometer is used to set the range for the display.
The input for the voltage measurement includes a series capacitor for use with AC waveforms. There is a small jumper on the board which shorts this capacitor so that the module can be used with a DC signal such as when monitoring battery.
Jumper OFF = Monitor AC voltage
Jumper ON = Monitor DC voltage
The module can be powered off a wide voltage range of 3.5 to 16V

Application:
Voltage level meter
Audio level indicator
Charge control

Specifications:
Chip: KA2284
Power supply voltage: 3.5V-12V
The level amplitude is adjustable
AC and DC signals can be controlled through jumpers
PCB board size: 29(mm)x21(mm)

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Product Code: SQ12071
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Special Discounts:
5% Discount for First-Time Buyers: Make your inaugural purchase on our website and receive a 5% discount! A coupon code will be emailed to you after your order is placed.
3% Discount on Orders Over $50: All our customers can enjoy a 3% discount on orders exceeding $50.

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