私の質問

BG451854250 You should be able to connect a siren but if it doesn't work (may depend on need for stable voltage and certain stable current under 5A or whatever) it may be easier to connect to a 5-12v relay, which... もっと見る

2021-06-24 19:30:28 役に立つ (0)
回答 (2)

Becoming It can use for electric bell.

2018-03-08 20:38:09 役に立つ (0)
回答 (1)