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- Fri Jun 21, 2013 2:35 pm
- Forum: Do-It-Yourself
- Topic: Phototransistor sensitivity question
- Replies: 12
- Views: 20804
Re: Phototransistor sensitivity question
Are you sure you can use the pull down source as a sink? If yes, then please check the rating of the maximum current that it can sink. Phototransistors are normally used as switches instead of a pull up or pull down configuration. If the problem persists and you have to use the configuration, just u...