sensor 實做 - 任天堂

By Erin
at 2007-03-20T00:18
at 2007-03-20T00:18
Table of Contents
前幾天跟同事一起試作sensor bar,
準備的材料有紅外線發射子 IR LED * 4
100歐姆電阻 * 1
發光二極體 LED * 1 (紅色耐電壓值比較高)
O-O--------------O-O---------O---GND
O-O--------------O-O---^^^^--O---+5V
I I I I R L +5V電源(USB)
把IR LED 四顆並連(I)
然後在正級串上100歐姆電阻(R)
發光二極體(L)為電源指示用
要直接接在5V上否則不會亮或是不夠亮
IR工作電壓是1.5V若沒接電阻
5V一下去就燒光了
接好後測試有無發射可以用手機照像功能看IR有沒有發光
因為紅外線眼睛是看不到的
經朋友拿回家測試很好用呢!
--
準備的材料有紅外線發射子 IR LED * 4
100歐姆電阻 * 1
發光二極體 LED * 1 (紅色耐電壓值比較高)
O-O--------------O-O---------O---GND
O-O--------------O-O---^^^^--O---+5V
I I I I R L +5V電源(USB)
把IR LED 四顆並連(I)
然後在正級串上100歐姆電阻(R)
發光二極體(L)為電源指示用
要直接接在5V上否則不會亮或是不夠亮
IR工作電壓是1.5V若沒接電阻
5V一下去就燒光了
接好後測試有無發射可以用手機照像功能看IR有沒有發光
因為紅外線眼睛是看不到的
經朋友拿回家測試很好用呢!
--
Tags:
任天堂
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at 2007-03-21T07:52
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