Subject:
|
Re: LEGO light sensor schematic
|
Newsgroups:
|
lugnet.robotics
|
Date:
|
Tue, 4 May 1999 00:31:02 GMT
|
Viewed:
|
1150 times
|
| |
|
|
Dennis Clark wrote in message ...
> Are we sure that the photodiode is located in the schematic correctly?
Your right. It just can't be the way it is drawn. I think it must be a
photo transistor. Usually photo diodes are not as sensitive as photo
transistors either. I'll touch up the circuit and see if it looks right.
|
|
Message has 1 Reply:
 | | Re: LEGO light sensor schematic
|
| Well if anybody still cares, I think the LEGO light sensor circuit is 100% correct now. The sensor is a phototransistor. Looking at the circuit implies a interesting side effect. If you shine a very bright light (ie laser pointer) into the (...) (26 years ago, 4-May-99, to lugnet.robotics)
|
Message is in Reply To:
| | Re: LEGO light sensor schematic
|
| (...) [snip] I'm happy to see that some of my concerns have been born out with these changes, it looks more like a happy little circuit now. (...) Are we sure that the photodiode is located in the schematic correctly? It doesn't look like its biased (...) (26 years ago, 3-May-99, to lugnet.robotics)
|
9 Messages in This Thread:
  
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
This Message and its Replies on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
Active threads in Robotics
|
|
|
|
|
|
