[問題] 請問AC110V怎麼接 LED燈
想做一個50顆LED(3.2V)的檯燈
輸入 AC 110V
爬文爬了好久,還是一頭霧水
請問我該準備多少V的變壓器
需要電阻還是其他什麼原件嗎?
謝謝
--
◆ From: 203.73.5.8
※ 編輯: siban 來自: 203.73.5.8 (10/20 13:11)
推
10/20 13:41, , 1F
10/20 13:41, 1F
→
10/20 13:51, , 2F
10/20 13:51, 2F
推
10/20 14:03, , 3F
10/20 14:03, 3F
→
10/20 14:18, , 4F
10/20 14:18, 4F
→
10/20 14:19, , 5F
10/20 14:19, 5F
推
10/20 15:03, , 6F
10/20 15:03, 6F
推
10/20 18:38, , 7F
10/20 18:38, 7F
→
10/20 19:21, , 8F
10/20 19:21, 8F
→
10/20 19:21, , 9F
10/20 19:21, 9F
推
10/20 19:44, , 10F
10/20 19:44, 10F
→
10/20 19:45, , 11F
10/20 19:45, 11F
推
10/20 20:15, , 12F
10/20 20:15, 12F
→
10/20 20:17, , 13F
10/20 20:17, 13F
推
10/20 22:00, , 14F
10/20 22:00, 14F
→
10/20 22:00, , 15F
10/20 22:00, 15F
→
10/20 22:44, , 16F
10/20 22:44, 16F
→
10/20 22:45, , 17F
10/20 22:45, 17F
推
10/21 11:36, , 18F
10/21 11:36, 18F
→
10/21 11:36, , 19F
10/21 11:36, 19F
→
10/21 11:37, , 20F
10/21 11:37, 20F
→
08/13 19:32, , 21F
08/13 19:32, 21F
→
09/17 23:25, , 22F
09/17 23:25, 22F
討論串 (同標題文章)
以下文章回應了本文:
完整討論串 (本文為第 1 之 2 篇):