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1 swith with 2 circuits 1relay

@cclu1234
10 years ago
https://everycircuit.com/circuit/6171286540124160
1 swith with 2 circuits 1 relay . lamp may be change to any device. 此設計主要用於瓦斯熱水器啟動時順便啟動抽風扇(以燈泡代表),因熱水龍頭打開時,水進入瓦斯熱水器,開啟微動開關並點火,而為使用此微動開關一併起動抽風扇故進行此電路設計。
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