Descriptions: KA2284 Power & Audio Level Indicator Module
- Uses KA2284 5-Dot LED Level Meter Driver w/ built-in rectifying amplifier
- Adjustable voltage range with LED display
- Use with AC or DC voltages
- 3.5 to 16V operation
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 aĀ logarithmic LED dot indicator display.Ā The display consists of 5 LEDs ā 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.Ā 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
Features:
- Can be controlled by jumper — AC and DC signals can be controlled by jumpers. With LED indicator light, more convenient to use
- Power level indicator module — The power level indicator module is made of highāquality materials, which has high reliability, sturdy, not easy cracked, can be used for a long time
- Adjustable level — The level can be adjusted and easy to use. Stable performance, safe and reliable to use
- Right audio level indicator module — 100% brand new high quality right audio level indicator module, strictly full tested to ensure the best quality before shipment, safe to use
- Audio Level Indicator Module Specification —- The level can be adjusted and easy to use. PCB Board Size: Approx. 29 * 21mm / 1.1 * 0.8in
Specs:
- Condition: 100% Brand New
- Item Type: Power Level Indicator Module
- Chip: KA2284
- Supply Voltage: 3.5V-12V
- PCB Board Size: Approx. 29 * 21mm / 1.1 * 0.8in
1 x 4 Header
- VCCĀ = Connect to 3.5 to 16V
- INĀ = Input.Ā The voltage to be measured by the device
- GNDĀ = Ground.Ā There are 2 ground pins, but only one needs to be used
- GNDĀ = Ground.Ā There are 2 ground pins, but only one needs to be used
Note:
- Manual measurement, with small error. Please check size in detail before purchase.
- Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness.
Package Include:
- 1 x KA2284 Power & Audio Level Indicator Module
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