5Pcs 9V 12V Battery Sound And Light Alarm Protection Module Against Over Discharge Board
Scope : Mainly used in battery (9V or 12V) voltage monitoring, simple and practical, support sound and light alarm. Features : When the buzzer low voltage will DiDiDi sounds and the red LED lights up, when the battery voltage rise above to the set value, buzzer will stop alarm. Size : 2.9 x 3 cm The main chip : LM358 9V Battery : When a battery over-discharge (battery voltage drops below about 8V) the red lights and the buzzer calling to achieve sound and light alarm, to achieve control battery discharge status, prevent over-discharge battery, and damage battery 12V Battery : When a battery over-discharge (battery voltage less than 10.4V) the red lights and the buzzer calling to achieve sound and light alarm, to achieve control battery discharge status, prevent over-discharge battery, and damage battery Advantages : With a sound and light alarm, simple and practical. The module input with reverse protection, if reverse polarity power input will not burn. But without overvoltage protect Lees meer over de 5Pcs 9V 12V Battery Sound And Light Alarm Protection Module Against Over Discharge Board van huismerk in de productgroep elektronica
6,89
| Merk | huismerk |
| voorraad | yes |
| Levering | Bezorgen of afhalen |
| Staat | Nieuw en Tweedehands |
| Aanbieding | Bekijk de prijs |
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